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+// Filename: tinyXGraphicsWindow.cxx
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+// Created by: drose (03May08)
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+//
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+////////////////////////////////////////////////////////////////////
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+//
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+// PANDA 3D SOFTWARE
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+// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
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+//
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+// All use of this software is subject to the terms of the Panda 3d
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+// Software license. You should have received a copy of this license
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+// along with this source code; you will also find a current copy of
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+// the license at http://etc.cmu.edu/panda3d/docs/license/ .
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+//
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+// To contact the maintainers of this program write to
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+// [email protected] .
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+//
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+////////////////////////////////////////////////////////////////////
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+
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+#include "pandabase.h"
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+
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+#ifdef IS_LINUX
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+
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+#include "tinyXGraphicsWindow.h"
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+#include "tinyGraphicsStateGuardian.h"
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+#include "tinyXGraphicsPipe.h"
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+#include "config_tinydisplay.h"
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+
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+#include "graphicsPipe.h"
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+#include "keyboardButton.h"
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+#include "mouseButton.h"
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+#include "clockObject.h"
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+#include "pStatTimer.h"
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+#include "textEncoder.h"
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+#include "throw_event.h"
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+#include "reMutexHolder.h"
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+
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+#include <errno.h>
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+#include <sys/time.h>
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+#include <X11/keysym.h>
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+#include <X11/Xutil.h>
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+#include <X11/Xatom.h>
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+
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+#ifdef HAVE_LINUX_INPUT_H
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+#include <linux/input.h>
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+#endif
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+
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+TypeHandle TinyXGraphicsWindow::_type_handle;
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+
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+#define test_bit(bit, array) ((array)[(bit)/8] & (1<<((bit)&7)))
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+
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+////////////////////////////////////////////////////////////////////
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+// Function: TinyXGraphicsWindow::Constructor
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+// Access: Public
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+// Description:
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+////////////////////////////////////////////////////////////////////
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+TinyXGraphicsWindow::
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+TinyXGraphicsWindow(GraphicsPipe *pipe,
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+ const string &name,
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+ const FrameBufferProperties &fb_prop,
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+ const WindowProperties &win_prop,
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+ int flags,
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+ GraphicsStateGuardian *gsg,
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+ GraphicsOutput *host) :
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+ GraphicsWindow(pipe, name, fb_prop, win_prop, flags, gsg, host)
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+{
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+ TinyXGraphicsPipe *tinyx_pipe;
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+ DCAST_INTO_V(tinyx_pipe, _pipe);
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+ _display = tinyx_pipe->get_display();
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+ _screen = tinyx_pipe->get_screen();
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+ _xwindow = (Window)NULL;
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+ _gc = (GC)NULL;
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+ _ic = (XIC)NULL;
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+ _awaiting_configure = false;
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+ _wm_delete_window = tinyx_pipe->_wm_delete_window;
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+ _net_wm_window_type = tinyx_pipe->_net_wm_window_type;
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+ _net_wm_window_type_splash = tinyx_pipe->_net_wm_window_type_splash;
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+ _net_wm_window_type_fullscreen = tinyx_pipe->_net_wm_window_type_fullscreen;
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+ _net_wm_state = tinyx_pipe->_net_wm_state;
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+ _net_wm_state_fullscreen = tinyx_pipe->_net_wm_state_fullscreen;
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+ _net_wm_state_above = tinyx_pipe->_net_wm_state_above;
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+ _net_wm_state_below = tinyx_pipe->_net_wm_state_below;
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+ _net_wm_state_add = tinyx_pipe->_net_wm_state_add;
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+ _net_wm_state_remove = tinyx_pipe->_net_wm_state_remove;
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+
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+ _frame_buffer = NULL;
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+ _ximage = NULL;
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+
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+ GraphicsWindowInputDevice device =
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+ GraphicsWindowInputDevice::pointer_and_keyboard(this, "keyboard/mouse");
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+ add_input_device(device);
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+}
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+
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+////////////////////////////////////////////////////////////////////
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+// Function: TinyXGraphicsWindow::Destructor
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+// Access: Public, Virtual
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+// Description:
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+////////////////////////////////////////////////////////////////////
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+TinyXGraphicsWindow::
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+~TinyXGraphicsWindow() {
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+}
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+
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+////////////////////////////////////////////////////////////////////
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+// Function: TinyXGraphicsWindow::move_pointer
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+// Access: Published, Virtual
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+// Description: Forces the pointer to the indicated position within
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+// the window, if possible.
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+//
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+// Returns true if successful, false on failure. This
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+// may fail if the mouse is not currently within the
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+// window, or if the API doesn't support this operation.
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+////////////////////////////////////////////////////////////////////
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+bool TinyXGraphicsWindow::
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+move_pointer(int device, int x, int y) {
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+ // Note: this is not thread-safe; it should be called only from App.
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+ // Probably not an issue.
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+ if (device == 0) {
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+ // Move the system mouse pointer.
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+ if (!_properties.get_foreground() ||
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+ !_input_devices[0].get_pointer().get_in_window()) {
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+ // If the window doesn't have input focus, or the mouse isn't
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+ // currently within the window, forget it.
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+ return false;
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+ }
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+
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+ XWarpPointer(_display, None, _xwindow, 0, 0, 0, 0, x, y);
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+ _input_devices[0].set_pointer_in_window(x, y);
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+ return true;
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+ } else {
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+ // Move a raw mouse.
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+ if ((device < 1)||(device >= _input_devices.size())) {
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+ return false;
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+ }
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+ _input_devices[device].set_pointer_in_window(x, y);
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+ return true;
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+ }
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+}
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+
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+
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+////////////////////////////////////////////////////////////////////
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+// Function: TinyXGraphicsWindow::begin_frame
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+// Access: Public, Virtual
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+// Description: This function will be called within the draw thread
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+// before beginning rendering for a given frame. It
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+// should do whatever setup is required, and return true
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+// if the frame should be rendered, or false if it
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+// should be skipped.
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+////////////////////////////////////////////////////////////////////
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+bool TinyXGraphicsWindow::
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+begin_frame(FrameMode mode, Thread *current_thread) {
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+ PStatTimer timer(_make_current_pcollector, current_thread);
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+
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+ begin_frame_spam(mode);
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+ if (_gsg == (GraphicsStateGuardian *)NULL) {
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+ return false;
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+ }
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+ if (_awaiting_configure) {
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+ // Don't attempt to draw while we have just reconfigured the
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+ // window and we haven't got the notification back yet.
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+ return false;
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+ }
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+
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+ TinyGraphicsStateGuardian *tinygsg;
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+ DCAST_INTO_R(tinygsg, _gsg, false);
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+
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+ tinygsg->_current_frame_buffer = _frame_buffer;
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+ tinygsg->reset_if_new();
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+
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+ _gsg->set_current_properties(&get_fb_properties());
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+ return _gsg->begin_frame(current_thread);
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+}
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+
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+////////////////////////////////////////////////////////////////////
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+// Function: TinyXGraphicsWindow::end_frame
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+// Access: Public, Virtual
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+// Description: This function will be called within the draw thread
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+// after rendering is completed for a given frame. It
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+// should do whatever finalization is required.
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+////////////////////////////////////////////////////////////////////
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+void TinyXGraphicsWindow::
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+end_frame(FrameMode mode, Thread *current_thread) {
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+ end_frame_spam(mode);
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+ nassertv(_gsg != (GraphicsStateGuardian *)NULL);
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+
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+ if (mode == FM_render) {
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+ // end_render_texture();
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+ copy_to_textures();
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+ }
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+
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+ _gsg->end_frame(current_thread);
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+
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+ if (mode == FM_render) {
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+ trigger_flip();
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+ if (_one_shot) {
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+ prepare_for_deletion();
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+ }
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+ clear_cube_map_selection();
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+ }
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+}
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+
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+////////////////////////////////////////////////////////////////////
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+// Function: TinyXGraphicsWindow::begin_flip
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+// Access: Public, Virtual
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+// Description: This function will be called within the draw thread
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+// after end_frame() has been called on all windows, to
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+// initiate the exchange of the front and back buffers.
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+//
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+// This should instruct the window to prepare for the
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+// flip at the next video sync, but it should not wait.
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+//
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+// We have the two separate functions, begin_flip() and
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+// end_flip(), to make it easier to flip all of the
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+// windows at the same time.
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+////////////////////////////////////////////////////////////////////
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+void TinyXGraphicsWindow::
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+begin_flip() {
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+ if (_bytes_per_pixel == 4) {
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+ // If we match the expected bpp, we don't need an intervening copy
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+ // operation. Just point the XImage directly at the framebuffer
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+ // data.
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+ _ximage->data = (char *)_frame_buffer->pbuf;
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+ } else {
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+ ZB_copyFrameBuffer(_frame_buffer, _ximage->data, _pitch);
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+ }
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+
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+ XPutImage(_display, _xwindow, _gc, _ximage, 0, 0, 0, 0,
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+ _properties.get_x_size(), _properties.get_y_size());
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+}
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+
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+////////////////////////////////////////////////////////////////////
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+// Function: TinyXGraphicsWindow::process_events
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+// Access: Public, Virtual
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+// Description: Do whatever processing is necessary to ensure that
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+// the window responds to user events. Also, honor any
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+// requests recently made via request_properties()
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+//
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+// This function is called only within the window
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+// thread.
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+////////////////////////////////////////////////////////////////////
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+void TinyXGraphicsWindow::
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+process_events() {
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+ ReMutexHolder holder(TinyXGraphicsPipe::_x_mutex);
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+
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+ GraphicsWindow::process_events();
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+
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+ if (_xwindow == (Window)0) {
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+ return;
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+ }
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+
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+ poll_raw_mice();
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+
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+ XEvent event;
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+ XKeyEvent keyrelease_event;
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+ bool got_keyrelease_event = false;
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+
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+ while (XCheckIfEvent(_display, &event, check_event, (char *)this)) {
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+ if (XFilterEvent(&event, None)) {
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+ continue;
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+ }
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+
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+ if (got_keyrelease_event) {
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+ // If a keyrelease event is immediately followed by a matching
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+ // keypress event, that's just key repeat and we should treat
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+ // the two events accordingly. It would be nice if X provided a
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+ // way to differentiate between keyrepeat and explicit
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+ // keypresses more generally.
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+ got_keyrelease_event = false;
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+
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+ if (event.type == KeyPress &&
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+ event.xkey.keycode == keyrelease_event.keycode &&
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+ (event.xkey.time - keyrelease_event.time <= 1)) {
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+ // In particular, we only generate down messages for the
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+ // repeated keys, not down-and-up messages.
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+ handle_keystroke(event.xkey);
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+
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+ // We thought about not generating the keypress event, but we
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+ // need that repeat for backspace. Rethink later.
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+ handle_keypress(event.xkey);
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+ continue;
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+
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+ } else {
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+ // This keyrelease event is not immediately followed by a
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+ // matching keypress event, so it's a genuine release.
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+ handle_keyrelease(keyrelease_event);
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+ }
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+ }
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+
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+ WindowProperties properties;
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+ ButtonHandle button;
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+
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+ switch (event.type) {
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+ case ReparentNotify:
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+ break;
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+
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+ case ConfigureNotify:
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+ _awaiting_configure = false;
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+ if (_properties.get_fixed_size()) {
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+ // If the window properties indicate a fixed size only, undo
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+ // any attempt by the user to change them. In X, there
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+ // doesn't appear to be a way to universally disallow this
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+ // directly (although we do set the min_size and max_size to
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+ // the same value, which seems to work for most window
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+ // managers.)
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+ WindowProperties current_props = get_properties();
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+ if (event.xconfigure.width != current_props.get_x_size() ||
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+ event.xconfigure.height != current_props.get_y_size()) {
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+ XWindowChanges changes;
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+ changes.width = current_props.get_x_size();
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+ changes.height = current_props.get_y_size();
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+ int value_mask = (CWWidth | CWHeight);
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+ XConfigureWindow(_display, _xwindow, value_mask, &changes);
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+ }
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+
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+ } else {
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+ // A normal window may be resized by the user at will.
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+ properties.set_size(event.xconfigure.width, event.xconfigure.height);
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+ system_changed_properties(properties);
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+ }
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+ break;
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+
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+ case ButtonPress:
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+ // This refers to the mouse buttons.
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+ button = get_mouse_button(event.xbutton);
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+ _input_devices[0].set_pointer_in_window(event.xbutton.x, event.xbutton.y);
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+ _input_devices[0].button_down(button);
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+ break;
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+
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+ case ButtonRelease:
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+ button = get_mouse_button(event.xbutton);
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+ _input_devices[0].set_pointer_in_window(event.xbutton.x, event.xbutton.y);
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+ _input_devices[0].button_up(button);
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+ break;
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+
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+ case MotionNotify:
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+ _input_devices[0].set_pointer_in_window(event.xmotion.x, event.xmotion.y);
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+ break;
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+
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+ case KeyPress:
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+ handle_keystroke(event.xkey);
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+ handle_keypress(event.xkey);
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+ break;
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+
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+ case KeyRelease:
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+ // The KeyRelease can't be processed immediately, because we
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+ // have to check first if it's immediately followed by a
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+ // matching KeyPress event.
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+ keyrelease_event = event.xkey;
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+ got_keyrelease_event = true;
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+ break;
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+
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+ case EnterNotify:
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+ _input_devices[0].set_pointer_in_window(event.xcrossing.x, event.xcrossing.y);
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+ break;
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+
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+ case LeaveNotify:
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+ _input_devices[0].set_pointer_out_of_window();
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+ break;
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+
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+ case FocusIn:
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+ properties.set_foreground(true);
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+ system_changed_properties(properties);
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+ break;
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+
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+ case FocusOut:
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+ properties.set_foreground(false);
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+ system_changed_properties(properties);
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+ break;
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+
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+ case UnmapNotify:
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+ properties.set_minimized(true);
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+ system_changed_properties(properties);
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+ break;
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+
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+ case MapNotify:
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+ properties.set_minimized(false);
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+ system_changed_properties(properties);
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+
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+ // Auto-focus the window when it is mapped.
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+ XSetInputFocus(_display, _xwindow, RevertToPointerRoot, CurrentTime);
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+ break;
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+
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+ case ClientMessage:
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+ if ((Atom)(event.xclient.data.l[0]) == _wm_delete_window) {
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+ // This is a message from the window manager indicating that
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+ // the user has requested to close the window.
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+ string close_request_event = get_close_request_event();
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+ if (!close_request_event.empty()) {
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+ // In this case, the app has indicated a desire to intercept
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+ // the request and process it directly.
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+ throw_event(close_request_event);
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+
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+ } else {
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+ // In this case, the default case, the app does not intend
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+ // to service the request, so we do by closing the window.
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+
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+ // TODO: don't release the gsg in the window thread.
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+ close_window();
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+ properties.set_open(false);
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+ system_changed_properties(properties);
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+ }
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+ }
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+ break;
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+
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+ case DestroyNotify:
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+ // Apparently, we never get a DestroyNotify on a toplevel
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+ // window. Instead, we rely on hints from the window manager
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+ // (see above).
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+ tinydisplay_cat.info()
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+ << "DestroyNotify\n";
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+ break;
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+
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+ default:
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+ tinydisplay_cat.error()
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|
|
+ << "unhandled X event type " << event.type << "\n";
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (got_keyrelease_event) {
|
|
|
+ // This keyrelease event is not immediately followed by a
|
|
|
+ // matching keypress event, so it's a genuine release.
|
|
|
+ handle_keyrelease(keyrelease_event);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+////////////////////////////////////////////////////////////////////
|
|
|
+// Function: TinyXGraphicsWindow::set_properties_now
|
|
|
+// Access: Public, Virtual
|
|
|
+// Description: Applies the requested set of properties to the
|
|
|
+// window, if possible, for instance to request a change
|
|
|
+// in size or minimization status.
|
|
|
+//
|
|
|
+// The window properties are applied immediately, rather
|
|
|
+// than waiting until the next frame. This implies that
|
|
|
+// this method may *only* be called from within the
|
|
|
+// window thread.
|
|
|
+//
|
|
|
+// The return value is true if the properties are set,
|
|
|
+// false if they are ignored. This is mainly useful for
|
|
|
+// derived classes to implement extensions to this
|
|
|
+// function.
|
|
|
+////////////////////////////////////////////////////////////////////
|
|
|
+void TinyXGraphicsWindow::
|
|
|
+set_properties_now(WindowProperties &properties) {
|
|
|
+ if (_pipe == (GraphicsPipe *)NULL) {
|
|
|
+ // If the pipe is null, we're probably closing down.
|
|
|
+ GraphicsWindow::set_properties_now(properties);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ TinyXGraphicsPipe *tinyx_pipe;
|
|
|
+ DCAST_INTO_V(tinyx_pipe, _pipe);
|
|
|
+
|
|
|
+ // Fullscreen mode is implemented with a hint to the window manager.
|
|
|
+ // However, we also implicitly set the origin to (0, 0) and the size
|
|
|
+ // to the desktop size, and request undecorated mode, in case the
|
|
|
+ // user has a less-capable window manager (or no window manager at
|
|
|
+ // all).
|
|
|
+ if (properties.get_fullscreen()) {
|
|
|
+ properties.set_undecorated(true);
|
|
|
+ properties.set_origin(0, 0);
|
|
|
+ properties.set_size(tinyx_pipe->get_display_width(),
|
|
|
+ tinyx_pipe->get_display_height());
|
|
|
+ }
|
|
|
+
|
|
|
+ GraphicsWindow::set_properties_now(properties);
|
|
|
+ if (!properties.is_any_specified()) {
|
|
|
+ // The base class has already handled this case.
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ // The window is already open; we are limited to what we can change
|
|
|
+ // on the fly.
|
|
|
+
|
|
|
+ // We'll pass some property requests on as a window manager hint.
|
|
|
+ WindowProperties wm_properties = _properties;
|
|
|
+ wm_properties.add_properties(properties);
|
|
|
+
|
|
|
+ // The window title may be changed by issuing another hint request.
|
|
|
+ // Assume this will be honored.
|
|
|
+ if (properties.has_title()) {
|
|
|
+ _properties.set_title(properties.get_title());
|
|
|
+ properties.clear_title();
|
|
|
+ }
|
|
|
+
|
|
|
+ // Ditto for fullscreen mode.
|
|
|
+ if (properties.has_fullscreen()) {
|
|
|
+ _properties.set_fullscreen(properties.get_fullscreen());
|
|
|
+ properties.clear_fullscreen();
|
|
|
+ }
|
|
|
+
|
|
|
+ // The size and position of an already-open window are changed via
|
|
|
+ // explicit X calls. These may still get intercepted by the window
|
|
|
+ // manager. Rather than changing _properties immediately, we'll
|
|
|
+ // wait for the ConfigureNotify message to come back.
|
|
|
+ XWindowChanges changes;
|
|
|
+ int value_mask = 0;
|
|
|
+
|
|
|
+ if (properties.has_origin()) {
|
|
|
+ changes.x = properties.get_x_origin();
|
|
|
+ changes.y = properties.get_y_origin();
|
|
|
+ value_mask |= (CWX | CWY);
|
|
|
+ properties.clear_origin();
|
|
|
+ }
|
|
|
+ if (properties.has_size()) {
|
|
|
+ changes.width = properties.get_x_size();
|
|
|
+ changes.height = properties.get_y_size();
|
|
|
+ value_mask |= (CWWidth | CWHeight);
|
|
|
+ properties.clear_size();
|
|
|
+ }
|
|
|
+ if (properties.has_z_order()) {
|
|
|
+ // We'll send the classic stacking request through the standard
|
|
|
+ // interface, for users of primitive window managers; but we'll
|
|
|
+ // also send it as a window manager hint, for users of modern
|
|
|
+ // window managers.
|
|
|
+ _properties.set_z_order(properties.get_z_order());
|
|
|
+ switch (properties.get_z_order()) {
|
|
|
+ case WindowProperties::Z_bottom:
|
|
|
+ changes.stack_mode = Below;
|
|
|
+ break;
|
|
|
+
|
|
|
+ case WindowProperties::Z_normal:
|
|
|
+ changes.stack_mode = TopIf;
|
|
|
+ break;
|
|
|
+
|
|
|
+ case WindowProperties::Z_top:
|
|
|
+ changes.stack_mode = Above;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ value_mask |= (CWStackMode);
|
|
|
+ properties.clear_z_order();
|
|
|
+ }
|
|
|
+
|
|
|
+ if (value_mask != 0) {
|
|
|
+ XReconfigureWMWindow(_display, _xwindow, _screen, value_mask, &changes);
|
|
|
+
|
|
|
+ // Don't draw anything until this is done reconfiguring.
|
|
|
+ _awaiting_configure = true;
|
|
|
+ }
|
|
|
+
|
|
|
+ // We hide the cursor by setting it to an invisible pixmap.
|
|
|
+ if (properties.has_cursor_hidden()) {
|
|
|
+ _properties.set_cursor_hidden(properties.get_cursor_hidden());
|
|
|
+ if (properties.get_cursor_hidden()) {
|
|
|
+ XDefineCursor(_display, _xwindow, tinyx_pipe->get_hidden_cursor());
|
|
|
+ } else {
|
|
|
+ XDefineCursor(_display, _xwindow, None);
|
|
|
+ }
|
|
|
+ properties.clear_cursor_hidden();
|
|
|
+ }
|
|
|
+
|
|
|
+ if (properties.has_foreground()) {
|
|
|
+ if (properties.get_foreground()) {
|
|
|
+ XSetInputFocus(_display, _xwindow, RevertToPointerRoot, CurrentTime);
|
|
|
+ } else {
|
|
|
+ XSetInputFocus(_display, PointerRoot, RevertToPointerRoot, CurrentTime);
|
|
|
+ }
|
|
|
+ properties.clear_foreground();
|
|
|
+ }
|
|
|
+
|
|
|
+ set_wm_properties(wm_properties, true);
|
|
|
+}
|
|
|
+
|
|
|
+////////////////////////////////////////////////////////////////////
|
|
|
+// Function: TinyXGraphicsWindow::close_window
|
|
|
+// Access: Protected, Virtual
|
|
|
+// Description: Closes the window right now. Called from the window
|
|
|
+// thread.
|
|
|
+////////////////////////////////////////////////////////////////////
|
|
|
+void TinyXGraphicsWindow::
|
|
|
+close_window() {
|
|
|
+ if (_gsg != (GraphicsStateGuardian *)NULL) {
|
|
|
+ // glXMakeCurrent(_display, None, NULL);
|
|
|
+ _gsg.clear();
|
|
|
+ _active = false;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (_ic != (XIC)NULL) {
|
|
|
+ XDestroyIC(_ic);
|
|
|
+ _ic = (XIC)NULL;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (_gc != (GC)NULL) {
|
|
|
+ XFreeGC(_display, _gc);
|
|
|
+ _gc = (GC)NULL;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (_xwindow != (Window)NULL) {
|
|
|
+ XDestroyWindow(_display, _xwindow);
|
|
|
+ _xwindow = (Window)NULL;
|
|
|
+
|
|
|
+ // This may be necessary if we just closed the last X window in an
|
|
|
+ // application, so the server hears the close request.
|
|
|
+ XFlush(_display);
|
|
|
+ }
|
|
|
+ GraphicsWindow::close_window();
|
|
|
+}
|
|
|
+
|
|
|
+////////////////////////////////////////////////////////////////////
|
|
|
+// Function: TinyXGraphicsWindow::open_window
|
|
|
+// Access: Protected, Virtual
|
|
|
+// Description: Opens the window right now. Called from the window
|
|
|
+// thread. Returns true if the window is successfully
|
|
|
+// opened, or false if there was a problem.
|
|
|
+////////////////////////////////////////////////////////////////////
|
|
|
+bool TinyXGraphicsWindow::
|
|
|
+open_window() {
|
|
|
+ TinyXGraphicsPipe *tinyx_pipe;
|
|
|
+ DCAST_INTO_R(tinyx_pipe, _pipe, false);
|
|
|
+
|
|
|
+ // GSG Creation/Initialization
|
|
|
+ TinyGraphicsStateGuardian *tinygsg;
|
|
|
+ if (_gsg == 0) {
|
|
|
+ // There is no old gsg. Create a new one.
|
|
|
+ tinygsg = new TinyGraphicsStateGuardian(_pipe, NULL);
|
|
|
+ _gsg = tinygsg;
|
|
|
+ } else {
|
|
|
+ DCAST_INTO_R(tinygsg, _gsg, false);
|
|
|
+ }
|
|
|
+
|
|
|
+ XVisualInfo vinfo_template;
|
|
|
+ vinfo_template.screen = _screen;
|
|
|
+ vinfo_template.depth = 32;
|
|
|
+ vinfo_template.c_class = TrueColor;
|
|
|
+
|
|
|
+ // Try to get each of these properties in turn.
|
|
|
+ int try_masks[] = {
|
|
|
+ VisualScreenMask | VisualDepthMask | VisualClassMask,
|
|
|
+ VisualScreenMask | VisualClassMask,
|
|
|
+ VisualScreenMask | VisualDepthMask,
|
|
|
+ VisualScreenMask,
|
|
|
+ 0,
|
|
|
+ };
|
|
|
+
|
|
|
+ int i = 0;
|
|
|
+ int num_vinfos = 0;
|
|
|
+ XVisualInfo *vinfo_array;
|
|
|
+ while (try_masks[i] != 0 && num_vinfos == 0) {
|
|
|
+ vinfo_array =
|
|
|
+ XGetVisualInfo(_display, try_masks[i], &vinfo_template, &num_vinfos);
|
|
|
+ ++i;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (num_vinfos == 0) {
|
|
|
+ // No suitable X visual.
|
|
|
+ tinydisplay_cat.error()
|
|
|
+ << "No suitable X Visual available; cannot open window.\n";
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ XVisualInfo *visual_info = &vinfo_array[0];
|
|
|
+
|
|
|
+ _visual = visual_info->visual;
|
|
|
+ _depth = visual_info->depth;
|
|
|
+ _bytes_per_pixel = _depth / 8;
|
|
|
+ if (_bytes_per_pixel == 3) {
|
|
|
+ // Seems to be a special case.
|
|
|
+ _bytes_per_pixel = 4;
|
|
|
+ }
|
|
|
+ tinydisplay_cat.info()
|
|
|
+ << "Got X Visual with depth " << _depth << " (bpp " << _bytes_per_pixel << ") and class ";
|
|
|
+ switch (visual_info->c_class) {
|
|
|
+ case TrueColor:
|
|
|
+ tinydisplay_cat.info(false) << "TrueColor\n";
|
|
|
+ break;
|
|
|
+
|
|
|
+ case DirectColor:
|
|
|
+ tinydisplay_cat.info(false) << "DirectColor\n";
|
|
|
+ break;
|
|
|
+
|
|
|
+ case StaticColor:
|
|
|
+ tinydisplay_cat.info(false) << "StaticColor\n";
|
|
|
+ break;
|
|
|
+
|
|
|
+ case StaticGray:
|
|
|
+ tinydisplay_cat.info(false) << "StaticGray\n";
|
|
|
+ break;
|
|
|
+
|
|
|
+ case GrayScale:
|
|
|
+ tinydisplay_cat.info(false) << "GrayScale\n";
|
|
|
+ break;
|
|
|
+
|
|
|
+ case PseudoColor:
|
|
|
+ tinydisplay_cat.info(false) << "PseudoColor\n";
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!_properties.has_origin()) {
|
|
|
+ _properties.set_origin(0, 0);
|
|
|
+ }
|
|
|
+ if (!_properties.has_size()) {
|
|
|
+ _properties.set_size(100, 100);
|
|
|
+ }
|
|
|
+
|
|
|
+ Window root_window = tinyx_pipe->get_root();
|
|
|
+ setup_colormap(visual_info);
|
|
|
+
|
|
|
+ _event_mask =
|
|
|
+ ButtonPressMask | ButtonReleaseMask |
|
|
|
+ KeyPressMask | KeyReleaseMask |
|
|
|
+ EnterWindowMask | LeaveWindowMask |
|
|
|
+ PointerMotionMask |
|
|
|
+ FocusChangeMask |
|
|
|
+ StructureNotifyMask;
|
|
|
+
|
|
|
+ // Initialize window attributes
|
|
|
+ XSetWindowAttributes wa;
|
|
|
+ wa.background_pixel = XBlackPixel(_display, _screen);
|
|
|
+ wa.border_pixel = 0;
|
|
|
+ wa.colormap = _colormap;
|
|
|
+ wa.event_mask = _event_mask;
|
|
|
+
|
|
|
+ unsigned long attrib_mask =
|
|
|
+ CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
|
|
|
+
|
|
|
+ _xwindow = XCreateWindow
|
|
|
+ (_display, root_window,
|
|
|
+ _properties.get_x_origin(), _properties.get_y_origin(),
|
|
|
+ _properties.get_x_size(), _properties.get_y_size(),
|
|
|
+ 0, _depth, InputOutput, _visual, attrib_mask, &wa);
|
|
|
+
|
|
|
+ if (_xwindow == (Window)0) {
|
|
|
+ tinydisplay_cat.error()
|
|
|
+ << "failed to create X window.\n";
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ set_wm_properties(_properties, false);
|
|
|
+
|
|
|
+ // We don't specify any fancy properties of the XIC. It would be
|
|
|
+ // nicer if we could support fancy IM's that want preedit callbacks,
|
|
|
+ // etc., but that can wait until we have an X server that actually
|
|
|
+ // supports these to test it on.
|
|
|
+ XIM im = tinyx_pipe->get_im();
|
|
|
+ _ic = NULL;
|
|
|
+ if (im) {
|
|
|
+ _ic = XCreateIC
|
|
|
+ (im,
|
|
|
+ XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
|
|
|
+ NULL);
|
|
|
+ if (_ic == (XIC)NULL) {
|
|
|
+ tinydisplay_cat.warning()
|
|
|
+ << "Couldn't create input context.\n";
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (_properties.get_cursor_hidden()) {
|
|
|
+ XDefineCursor(_display, _xwindow, tinyx_pipe->get_hidden_cursor());
|
|
|
+ }
|
|
|
+
|
|
|
+ _gc = XCreateGC(_display, _xwindow, 0, NULL);
|
|
|
+
|
|
|
+ create_frame_buffer();
|
|
|
+ if (_frame_buffer == NULL) {
|
|
|
+ tinydisplay_cat.error()
|
|
|
+ << "Could not create frame buffer.\n";
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ create_ximage();
|
|
|
+ nassertr(_ximage != NULL, false);
|
|
|
+
|
|
|
+ tinygsg->_current_frame_buffer = _frame_buffer;
|
|
|
+
|
|
|
+ tinygsg->reset_if_new();
|
|
|
+ if (!tinygsg->is_valid()) {
|
|
|
+ close_window();
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ XMapWindow(_display, _xwindow);
|
|
|
+
|
|
|
+ if (_properties.get_raw_mice()) {
|
|
|
+ open_raw_mice();
|
|
|
+ } else {
|
|
|
+ if (tinydisplay_cat.is_debug()) {
|
|
|
+ tinydisplay_cat.debug()
|
|
|
+ << "Raw mice not requested.\n";
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return true;
|
|
|
+}
|
|
|
+
|
|
|
+////////////////////////////////////////////////////////////////////
|
|
|
+// Function: TinyXGraphicsWindow::set_wm_properties
|
|
|
+// Access: Private
|
|
|
+// Description: Asks the window manager to set the appropriate
|
|
|
+// properties. In X, these properties cannot be
|
|
|
+// specified directly by the application; they must be
|
|
|
+// requested via the window manager, which may or may
|
|
|
+// not choose to honor the request.
|
|
|
+//
|
|
|
+// If already_mapped is true, the window has already
|
|
|
+// been mapped (manifested) on the display. This means
|
|
|
+// we may need to use a different action in some cases.
|
|
|
+////////////////////////////////////////////////////////////////////
|
|
|
+void TinyXGraphicsWindow::
|
|
|
+set_wm_properties(const WindowProperties &properties, bool already_mapped) {
|
|
|
+ // Name the window if there is a name
|
|
|
+ XTextProperty window_name;
|
|
|
+ XTextProperty *window_name_p = (XTextProperty *)NULL;
|
|
|
+ if (properties.has_title()) {
|
|
|
+ char *name = (char *)properties.get_title().c_str();
|
|
|
+ if (XStringListToTextProperty(&name, 1, &window_name) != 0) {
|
|
|
+ window_name_p = &window_name;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ // The size hints request a window of a particular size and/or a
|
|
|
+ // particular placement onscreen.
|
|
|
+ XSizeHints *size_hints_p = NULL;
|
|
|
+ if (properties.has_origin() || properties.has_size()) {
|
|
|
+ size_hints_p = XAllocSizeHints();
|
|
|
+ if (size_hints_p != (XSizeHints *)NULL) {
|
|
|
+ if (properties.has_origin()) {
|
|
|
+ size_hints_p->x = properties.get_x_origin();
|
|
|
+ size_hints_p->y = properties.get_y_origin();
|
|
|
+ size_hints_p->flags |= USPosition;
|
|
|
+ }
|
|
|
+ if (properties.has_size()) {
|
|
|
+ size_hints_p->width = properties.get_x_size();
|
|
|
+ size_hints_p->height = properties.get_y_size();
|
|
|
+ size_hints_p->flags |= USSize;
|
|
|
+
|
|
|
+ if (properties.has_fixed_size()) {
|
|
|
+ size_hints_p->min_width = properties.get_x_size();
|
|
|
+ size_hints_p->min_height = properties.get_y_size();
|
|
|
+ size_hints_p->max_width = properties.get_x_size();
|
|
|
+ size_hints_p->max_height = properties.get_y_size();
|
|
|
+ size_hints_p->flags |= (PMinSize | PMaxSize);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ // The window manager hints include requests to the window manager
|
|
|
+ // other than those specific to window geometry.
|
|
|
+ XWMHints *wm_hints_p = NULL;
|
|
|
+ wm_hints_p = XAllocWMHints();
|
|
|
+ if (wm_hints_p != (XWMHints *)NULL) {
|
|
|
+ if (properties.has_minimized() && properties.get_minimized()) {
|
|
|
+ wm_hints_p->initial_state = IconicState;
|
|
|
+ } else {
|
|
|
+ wm_hints_p->initial_state = NormalState;
|
|
|
+ }
|
|
|
+ wm_hints_p->flags = StateHint;
|
|
|
+ }
|
|
|
+
|
|
|
+ // Two competing window manager interfaces have evolved. One of
|
|
|
+ // them allows to set certain properties as a "type"; the other one
|
|
|
+ // as a "state". We'll try to honor both.
|
|
|
+ static const int max_type_data = 32;
|
|
|
+ PN_int32 type_data[max_type_data];
|
|
|
+ int next_type_data = 0;
|
|
|
+
|
|
|
+ static const int max_state_data = 32;
|
|
|
+ PN_int32 state_data[max_state_data];
|
|
|
+ int next_state_data = 0;
|
|
|
+
|
|
|
+ static const int max_set_data = 32;
|
|
|
+ class SetAction {
|
|
|
+ public:
|
|
|
+ inline SetAction() { }
|
|
|
+ inline SetAction(Atom state, Atom action) : _state(state), _action(action) { }
|
|
|
+ Atom _state;
|
|
|
+ Atom _action;
|
|
|
+ };
|
|
|
+ SetAction set_data[max_set_data];
|
|
|
+ int next_set_data = 0;
|
|
|
+
|
|
|
+ if (properties.get_fullscreen()) {
|
|
|
+ // For a "fullscreen" request, we pass this through, hoping the
|
|
|
+ // window manager will support EWMH.
|
|
|
+ type_data[next_type_data++] = _net_wm_window_type_fullscreen;
|
|
|
+
|
|
|
+ // We also request it as a state.
|
|
|
+ state_data[next_state_data++] = _net_wm_state_fullscreen;
|
|
|
+ set_data[next_set_data++] = SetAction(_net_wm_state_fullscreen, _net_wm_state_add);
|
|
|
+ } else {
|
|
|
+ set_data[next_set_data++] = SetAction(_net_wm_state_fullscreen, _net_wm_state_remove);
|
|
|
+ }
|
|
|
+
|
|
|
+ // If we asked for a window without a border, there's no excellent
|
|
|
+ // way to arrange that. For users whose window managers follow the
|
|
|
+ // EWMH specification, we can ask for a "splash" screen, which is
|
|
|
+ // usually undecorated. It's not exactly right, but the spec
|
|
|
+ // doesn't give us an exactly-right option.
|
|
|
+
|
|
|
+ // For other users, we'll totally punt and just set the window's
|
|
|
+ // Class to "Undecorated", and let the user configure his/her window
|
|
|
+ // manager not to put a border around windows of this class.
|
|
|
+ XClassHint *class_hints_p = NULL;
|
|
|
+ if (properties.get_undecorated()) {
|
|
|
+ class_hints_p = XAllocClassHint();
|
|
|
+ class_hints_p->res_class = "Undecorated";
|
|
|
+
|
|
|
+ if (!properties.get_fullscreen()) {
|
|
|
+ type_data[next_type_data++] = _net_wm_window_type_splash;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (properties.has_z_order()) {
|
|
|
+ switch (properties.get_z_order()) {
|
|
|
+ case WindowProperties::Z_bottom:
|
|
|
+ state_data[next_state_data++] = _net_wm_state_below;
|
|
|
+ set_data[next_set_data++] = SetAction(_net_wm_state_below, _net_wm_state_add);
|
|
|
+ set_data[next_set_data++] = SetAction(_net_wm_state_above, _net_wm_state_remove);
|
|
|
+ break;
|
|
|
+
|
|
|
+ case WindowProperties::Z_normal:
|
|
|
+ set_data[next_set_data++] = SetAction(_net_wm_state_below, _net_wm_state_remove);
|
|
|
+ set_data[next_set_data++] = SetAction(_net_wm_state_above, _net_wm_state_remove);
|
|
|
+ break;
|
|
|
+
|
|
|
+ case WindowProperties::Z_top:
|
|
|
+ state_data[next_state_data++] = _net_wm_state_above;
|
|
|
+ set_data[next_set_data++] = SetAction(_net_wm_state_below, _net_wm_state_remove);
|
|
|
+ set_data[next_set_data++] = SetAction(_net_wm_state_above, _net_wm_state_add);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ nassertv(next_type_data < max_type_data);
|
|
|
+ nassertv(next_state_data < max_state_data);
|
|
|
+ nassertv(next_set_data < max_set_data);
|
|
|
+
|
|
|
+ XChangeProperty(_display, _xwindow, _net_wm_window_type,
|
|
|
+ XA_ATOM, 32, PropModeReplace,
|
|
|
+ (unsigned char *)type_data, next_type_data);
|
|
|
+
|
|
|
+ // Request the state properties all at once.
|
|
|
+ XChangeProperty(_display, _xwindow, _net_wm_state,
|
|
|
+ XA_ATOM, 32, PropModeReplace,
|
|
|
+ (unsigned char *)state_data, next_state_data);
|
|
|
+
|
|
|
+ if (already_mapped) {
|
|
|
+ // We have to request state changes differently when the window
|
|
|
+ // has been mapped. To do this, we need to send a client message
|
|
|
+ // to the root window for each change.
|
|
|
+
|
|
|
+ TinyXGraphicsPipe *tinyx_pipe;
|
|
|
+ DCAST_INTO_V(tinyx_pipe, _pipe);
|
|
|
+
|
|
|
+ for (int i = 0; i < next_set_data; ++i) {
|
|
|
+ XClientMessageEvent event;
|
|
|
+ memset(&event, 0, sizeof(event));
|
|
|
+
|
|
|
+ event.type = ClientMessage;
|
|
|
+ event.send_event = True;
|
|
|
+ event.display = _display;
|
|
|
+ event.window = _xwindow;
|
|
|
+ event.message_type = _net_wm_state;
|
|
|
+ event.format = 32;
|
|
|
+ event.data.l[0] = set_data[i]._action;
|
|
|
+ event.data.l[1] = set_data[i]._state;
|
|
|
+ event.data.l[2] = 0;
|
|
|
+ event.data.l[3] = 1;
|
|
|
+
|
|
|
+ XSendEvent(_display, tinyx_pipe->get_root(), True, 0, (XEvent *)&event);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ XSetWMProperties(_display, _xwindow, window_name_p, window_name_p,
|
|
|
+ NULL, 0, size_hints_p, wm_hints_p, class_hints_p);
|
|
|
+
|
|
|
+ if (size_hints_p != (XSizeHints *)NULL) {
|
|
|
+ XFree(size_hints_p);
|
|
|
+ }
|
|
|
+ if (wm_hints_p != (XWMHints *)NULL) {
|
|
|
+ XFree(wm_hints_p);
|
|
|
+ }
|
|
|
+ if (class_hints_p != (XClassHint *)NULL) {
|
|
|
+ XFree(class_hints_p);
|
|
|
+ }
|
|
|
+
|
|
|
+ // Also, indicate to the window manager that we'd like to get a
|
|
|
+ // chance to close our windows cleanly, rather than being rudely
|
|
|
+ // disconnected from the X server if the user requests a window
|
|
|
+ // close.
|
|
|
+ Atom protocols[] = {
|
|
|
+ _wm_delete_window,
|
|
|
+ };
|
|
|
+
|
|
|
+ XSetWMProtocols(_display, _xwindow, protocols,
|
|
|
+ sizeof(protocols) / sizeof(Atom));
|
|
|
+}
|
|
|
+
|
|
|
+////////////////////////////////////////////////////////////////////
|
|
|
+// Function: TinyXGraphicsWindow::setup_colormap
|
|
|
+// Access: Private
|
|
|
+// Description: Allocates a colormap appropriate to the visual and
|
|
|
+// stores in in the _colormap method.
|
|
|
+////////////////////////////////////////////////////////////////////
|
|
|
+void TinyXGraphicsWindow::
|
|
|
+setup_colormap(XVisualInfo *visual_info) {
|
|
|
+ TinyXGraphicsPipe *tinyx_pipe;
|
|
|
+ DCAST_INTO_V(tinyx_pipe, _pipe);
|
|
|
+ Window root_window = tinyx_pipe->get_root();
|
|
|
+
|
|
|
+ int visual_class = visual_info->c_class;
|
|
|
+ int rc, is_rgb;
|
|
|
+
|
|
|
+ switch (visual_class) {
|
|
|
+ case TrueColor:
|
|
|
+ case DirectColor:
|
|
|
+ _colormap = XCreateColormap(_display, root_window,
|
|
|
+ visual_info->visual, AllocNone);
|
|
|
+ break;
|
|
|
+ case StaticColor:
|
|
|
+ case StaticGray:
|
|
|
+ case GrayScale:
|
|
|
+ _colormap = XCreateColormap(_display, root_window,
|
|
|
+ visual_info->visual, AllocNone);
|
|
|
+ break;
|
|
|
+
|
|
|
+ default:
|
|
|
+ tinydisplay_cat.error()
|
|
|
+ << "Could not allocate a colormap for visual class "
|
|
|
+ << visual_class << ".\n";
|
|
|
+ break;
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+////////////////////////////////////////////////////////////////////
|
|
|
+// Function: TinyXGraphicsWindow::open_raw_mice
|
|
|
+// Access: Private
|
|
|
+// Description: Adds raw mice to the _input_devices list.
|
|
|
+////////////////////////////////////////////////////////////////////
|
|
|
+void TinyXGraphicsWindow::
|
|
|
+open_raw_mice()
|
|
|
+{
|
|
|
+#ifdef HAVE_LINUX_INPUT_H
|
|
|
+ bool any_present = false;
|
|
|
+ bool any_mice = false;
|
|
|
+
|
|
|
+ for (int i=0; i<64; i++) {
|
|
|
+ uint8_t evtypes[EV_MAX/8 + 1];
|
|
|
+ ostringstream fnb;
|
|
|
+ fnb << "/dev/input/event" << i;
|
|
|
+ string fn = fnb.str();
|
|
|
+ int fd = open(fn.c_str(), O_RDONLY | O_NONBLOCK, 0);
|
|
|
+ if (fd >= 0) {
|
|
|
+ any_present = true;
|
|
|
+ char name[256];
|
|
|
+ char phys[256];
|
|
|
+ char uniq[256];
|
|
|
+ if ((ioctl(fd, EVIOCGNAME(sizeof(name)), name) < 0)||
|
|
|
+ (ioctl(fd, EVIOCGPHYS(sizeof(phys)), phys) < 0)||
|
|
|
+ (ioctl(fd, EVIOCGPHYS(sizeof(uniq)), uniq) < 0)||
|
|
|
+ (ioctl(fd, EVIOCGBIT(0, EV_MAX), &evtypes) < 0)) {
|
|
|
+ close(fd);
|
|
|
+ tinydisplay_cat.error() <<
|
|
|
+ "Opening raw mice: ioctl failed on " << fn << "\n";
|
|
|
+ } else {
|
|
|
+ if (test_bit(EV_REL, evtypes) || test_bit(EV_ABS, evtypes)) {
|
|
|
+ for (char *p=name; *p; p++) {
|
|
|
+ if (((*p<'a')||(*p>'z')) && ((*p<'A')||(*p>'Z')) && ((*p<'0')||(*p>'9'))) {
|
|
|
+ *p = '_';
|
|
|
+ }
|
|
|
+ }
|
|
|
+ for (char *p=uniq; *p; p++) {
|
|
|
+ if (((*p<'a')||(*p>'z')) && ((*p<'A')||(*p>'Z')) && ((*p<'0')||(*p>'9'))) {
|
|
|
+ *p = '_';
|
|
|
+ }
|
|
|
+ }
|
|
|
+ string full_id = ((string)name) + "." + uniq;
|
|
|
+ MouseDeviceInfo inf;
|
|
|
+ inf._fd = fd;
|
|
|
+ inf._input_device_index = _input_devices.size();
|
|
|
+ inf._io_buffer = "";
|
|
|
+ _mouse_device_info.push_back(inf);
|
|
|
+ GraphicsWindowInputDevice device =
|
|
|
+ GraphicsWindowInputDevice::pointer_only(this, full_id);
|
|
|
+ add_input_device(device);
|
|
|
+ tinydisplay_cat.info() << "Raw mouse " <<
|
|
|
+ inf._input_device_index << " detected: " << full_id << "\n";
|
|
|
+ any_mice = true;
|
|
|
+ } else {
|
|
|
+ close(fd);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ if ((errno == ENOENT)||(errno == ENOTDIR)) {
|
|
|
+ break;
|
|
|
+ } else {
|
|
|
+ any_present = true;
|
|
|
+ tinydisplay_cat.error() <<
|
|
|
+ "Opening raw mice: " << strerror(errno) << " " << fn << "\n";
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!any_present) {
|
|
|
+ tinydisplay_cat.error() <<
|
|
|
+ "Opening raw mice: files not found: /dev/input/event*\n";
|
|
|
+ } else if (!any_mice) {
|
|
|
+ tinydisplay_cat.error() <<
|
|
|
+ "Opening raw mice: no mouse devices detected in /dev/input/event*\n";
|
|
|
+ }
|
|
|
+#else
|
|
|
+ tinydisplay_cat.error() <<
|
|
|
+ "Opening raw mice: panda not compiled with raw mouse support.\n";
|
|
|
+#endif
|
|
|
+}
|
|
|
+
|
|
|
+////////////////////////////////////////////////////////////////////
|
|
|
+// Function: TinyXGraphicsWindow::poll_raw_mice
|
|
|
+// Access: Private
|
|
|
+// Description: Reads events from the raw mouse device files.
|
|
|
+////////////////////////////////////////////////////////////////////
|
|
|
+void TinyXGraphicsWindow::
|
|
|
+poll_raw_mice()
|
|
|
+{
|
|
|
+#ifdef HAVE_LINUX_INPUT_H
|
|
|
+ for (int dev=0; dev<_mouse_device_info.size(); dev++) {
|
|
|
+ MouseDeviceInfo &inf = _mouse_device_info[dev];
|
|
|
+
|
|
|
+ // Read all bytes into buffer.
|
|
|
+ if (inf._fd >= 0) {
|
|
|
+ while (1) {
|
|
|
+ char tbuf[1024];
|
|
|
+ int nread = read(inf._fd, tbuf, sizeof(tbuf));
|
|
|
+ if (nread > 0) {
|
|
|
+ inf._io_buffer += string(tbuf, nread);
|
|
|
+ } else {
|
|
|
+ if ((nread < 0)&&((errno == EWOULDBLOCK) || (errno==EAGAIN))) {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ close(inf._fd);
|
|
|
+ inf._fd = -1;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ // Process events.
|
|
|
+ int nevents = inf._io_buffer.size() / sizeof(struct input_event);
|
|
|
+ if (nevents == 0) {
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+ const input_event *events = (const input_event *)(inf._io_buffer.c_str());
|
|
|
+ GraphicsWindowInputDevice &dev = _input_devices[inf._input_device_index];
|
|
|
+ int x = dev.get_raw_pointer().get_x();
|
|
|
+ int y = dev.get_raw_pointer().get_y();
|
|
|
+ for (int i=0; i<nevents; i++) {
|
|
|
+ if (events[i].type == EV_REL) {
|
|
|
+ if (events[i].code == REL_X) x += events[i].value;
|
|
|
+ if (events[i].code == REL_Y) y += events[i].value;
|
|
|
+ } else if (events[i].type == EV_ABS) {
|
|
|
+ if (events[i].code == ABS_X) x = events[i].value;
|
|
|
+ if (events[i].code == ABS_Y) y = events[i].value;
|
|
|
+ } else if (events[i].type == EV_KEY) {
|
|
|
+ if ((events[i].code >= BTN_MOUSE)&&(events[i].code < BTN_MOUSE+8)) {
|
|
|
+ int btn = events[i].code - BTN_MOUSE;
|
|
|
+ dev.set_pointer_in_window(x,y);
|
|
|
+ if (events[i].value) {
|
|
|
+ dev.button_down(MouseButton::button(btn));
|
|
|
+ } else {
|
|
|
+ dev.button_up(MouseButton::button(btn));
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ inf._io_buffer.erase(0,nevents*sizeof(struct input_event));
|
|
|
+ dev.set_pointer_in_window(x,y);
|
|
|
+ }
|
|
|
+#endif
|
|
|
+}
|
|
|
+
|
|
|
+////////////////////////////////////////////////////////////////////
|
|
|
+// Function: TinyXGraphicsWindow::handle_keystroke
|
|
|
+// Access: Private
|
|
|
+// Description: Generates a keystroke corresponding to the indicated
|
|
|
+// X KeyPress event.
|
|
|
+////////////////////////////////////////////////////////////////////
|
|
|
+void TinyXGraphicsWindow::
|
|
|
+handle_keystroke(XKeyEvent &event) {
|
|
|
+ _input_devices[0].set_pointer_in_window(event.x, event.y);
|
|
|
+
|
|
|
+ if (_ic) {
|
|
|
+ // First, get the keystroke as a wide-character sequence.
|
|
|
+ static const int buffer_size = 256;
|
|
|
+ wchar_t buffer[buffer_size];
|
|
|
+ Status status;
|
|
|
+ int len = XwcLookupString(_ic, &event, buffer, buffer_size, NULL,
|
|
|
+ &status);
|
|
|
+ if (status == XBufferOverflow) {
|
|
|
+ tinydisplay_cat.error()
|
|
|
+ << "Overflowed input buffer.\n";
|
|
|
+ }
|
|
|
+
|
|
|
+ // Now each of the returned wide characters represents a
|
|
|
+ // keystroke.
|
|
|
+ for (int i = 0; i < len; i++) {
|
|
|
+ _input_devices[0].keystroke(buffer[i]);
|
|
|
+ }
|
|
|
+
|
|
|
+ } else {
|
|
|
+ // Without an input context, just get the ascii keypress.
|
|
|
+ ButtonHandle button = get_button(event);
|
|
|
+ if (button.has_ascii_equivalent()) {
|
|
|
+ _input_devices[0].keystroke(button.get_ascii_equivalent());
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+////////////////////////////////////////////////////////////////////
|
|
|
+// Function: TinyXGraphicsWindow::handle_keypress
|
|
|
+// Access: Private
|
|
|
+// Description: Generates a keypress corresponding to the indicated
|
|
|
+// X KeyPress event.
|
|
|
+////////////////////////////////////////////////////////////////////
|
|
|
+void TinyXGraphicsWindow::
|
|
|
+handle_keypress(XKeyEvent &event) {
|
|
|
+ _input_devices[0].set_pointer_in_window(event.x, event.y);
|
|
|
+
|
|
|
+ // Now get the raw unshifted button.
|
|
|
+ ButtonHandle button = get_button(event);
|
|
|
+ if (button != ButtonHandle::none()) {
|
|
|
+ _input_devices[0].button_down(button);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+////////////////////////////////////////////////////////////////////
|
|
|
+// Function: TinyXGraphicsWindow::handle_keyrelease
|
|
|
+// Access: Private
|
|
|
+// Description: Generates a keyrelease corresponding to the indicated
|
|
|
+// X KeyRelease event.
|
|
|
+////////////////////////////////////////////////////////////////////
|
|
|
+void TinyXGraphicsWindow::
|
|
|
+handle_keyrelease(XKeyEvent &event) {
|
|
|
+ _input_devices[0].set_pointer_in_window(event.x, event.y);
|
|
|
+
|
|
|
+ // Now get the raw unshifted button.
|
|
|
+ ButtonHandle button = get_button(event);
|
|
|
+ if (button != ButtonHandle::none()) {
|
|
|
+ _input_devices[0].button_up(button);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+////////////////////////////////////////////////////////////////////
|
|
|
+// Function: TinyXGraphicsWindow::get_button
|
|
|
+// Access: Private
|
|
|
+// Description: Returns the Panda ButtonHandle corresponding to the
|
|
|
+// keyboard button indicated by the given key event.
|
|
|
+////////////////////////////////////////////////////////////////////
|
|
|
+ButtonHandle TinyXGraphicsWindow::
|
|
|
+get_button(XKeyEvent &key_event) {
|
|
|
+ KeySym key = XLookupKeysym(&key_event, 0);
|
|
|
+
|
|
|
+ switch (key) {
|
|
|
+ case XK_BackSpace:
|
|
|
+ return KeyboardButton::backspace();
|
|
|
+ case XK_Tab:
|
|
|
+ return KeyboardButton::tab();
|
|
|
+ case XK_Return:
|
|
|
+ return KeyboardButton::enter();
|
|
|
+ case XK_Escape:
|
|
|
+ return KeyboardButton::escape();
|
|
|
+ case XK_space:
|
|
|
+ return KeyboardButton::space();
|
|
|
+ case XK_exclam:
|
|
|
+ return KeyboardButton::ascii_key('!');
|
|
|
+ case XK_quotedbl:
|
|
|
+ return KeyboardButton::ascii_key('"');
|
|
|
+ case XK_numbersign:
|
|
|
+ return KeyboardButton::ascii_key('#');
|
|
|
+ case XK_dollar:
|
|
|
+ return KeyboardButton::ascii_key('$');
|
|
|
+ case XK_percent:
|
|
|
+ return KeyboardButton::ascii_key('%');
|
|
|
+ case XK_ampersand:
|
|
|
+ return KeyboardButton::ascii_key('&');
|
|
|
+ case XK_apostrophe: // == XK_quoteright
|
|
|
+ return KeyboardButton::ascii_key('\'');
|
|
|
+ case XK_parenleft:
|
|
|
+ return KeyboardButton::ascii_key('(');
|
|
|
+ case XK_parenright:
|
|
|
+ return KeyboardButton::ascii_key(')');
|
|
|
+ case XK_asterisk:
|
|
|
+ return KeyboardButton::ascii_key('*');
|
|
|
+ case XK_plus:
|
|
|
+ return KeyboardButton::ascii_key('+');
|
|
|
+ case XK_comma:
|
|
|
+ return KeyboardButton::ascii_key(',');
|
|
|
+ case XK_minus:
|
|
|
+ return KeyboardButton::ascii_key('-');
|
|
|
+ case XK_period:
|
|
|
+ return KeyboardButton::ascii_key('.');
|
|
|
+ case XK_slash:
|
|
|
+ return KeyboardButton::ascii_key('/');
|
|
|
+ case XK_0:
|
|
|
+ return KeyboardButton::ascii_key('0');
|
|
|
+ case XK_1:
|
|
|
+ return KeyboardButton::ascii_key('1');
|
|
|
+ case XK_2:
|
|
|
+ return KeyboardButton::ascii_key('2');
|
|
|
+ case XK_3:
|
|
|
+ return KeyboardButton::ascii_key('3');
|
|
|
+ case XK_4:
|
|
|
+ return KeyboardButton::ascii_key('4');
|
|
|
+ case XK_5:
|
|
|
+ return KeyboardButton::ascii_key('5');
|
|
|
+ case XK_6:
|
|
|
+ return KeyboardButton::ascii_key('6');
|
|
|
+ case XK_7:
|
|
|
+ return KeyboardButton::ascii_key('7');
|
|
|
+ case XK_8:
|
|
|
+ return KeyboardButton::ascii_key('8');
|
|
|
+ case XK_9:
|
|
|
+ return KeyboardButton::ascii_key('9');
|
|
|
+ case XK_colon:
|
|
|
+ return KeyboardButton::ascii_key(':');
|
|
|
+ case XK_semicolon:
|
|
|
+ return KeyboardButton::ascii_key(';');
|
|
|
+ case XK_less:
|
|
|
+ return KeyboardButton::ascii_key('<');
|
|
|
+ case XK_equal:
|
|
|
+ return KeyboardButton::ascii_key('=');
|
|
|
+ case XK_greater:
|
|
|
+ return KeyboardButton::ascii_key('>');
|
|
|
+ case XK_question:
|
|
|
+ return KeyboardButton::ascii_key('?');
|
|
|
+ case XK_at:
|
|
|
+ return KeyboardButton::ascii_key('@');
|
|
|
+ case XK_A:
|
|
|
+ return KeyboardButton::ascii_key('A');
|
|
|
+ case XK_B:
|
|
|
+ return KeyboardButton::ascii_key('B');
|
|
|
+ case XK_C:
|
|
|
+ return KeyboardButton::ascii_key('C');
|
|
|
+ case XK_D:
|
|
|
+ return KeyboardButton::ascii_key('D');
|
|
|
+ case XK_E:
|
|
|
+ return KeyboardButton::ascii_key('E');
|
|
|
+ case XK_F:
|
|
|
+ return KeyboardButton::ascii_key('F');
|
|
|
+ case XK_G:
|
|
|
+ return KeyboardButton::ascii_key('G');
|
|
|
+ case XK_H:
|
|
|
+ return KeyboardButton::ascii_key('H');
|
|
|
+ case XK_I:
|
|
|
+ return KeyboardButton::ascii_key('I');
|
|
|
+ case XK_J:
|
|
|
+ return KeyboardButton::ascii_key('J');
|
|
|
+ case XK_K:
|
|
|
+ return KeyboardButton::ascii_key('K');
|
|
|
+ case XK_L:
|
|
|
+ return KeyboardButton::ascii_key('L');
|
|
|
+ case XK_M:
|
|
|
+ return KeyboardButton::ascii_key('M');
|
|
|
+ case XK_N:
|
|
|
+ return KeyboardButton::ascii_key('N');
|
|
|
+ case XK_O:
|
|
|
+ return KeyboardButton::ascii_key('O');
|
|
|
+ case XK_P:
|
|
|
+ return KeyboardButton::ascii_key('P');
|
|
|
+ case XK_Q:
|
|
|
+ return KeyboardButton::ascii_key('Q');
|
|
|
+ case XK_R:
|
|
|
+ return KeyboardButton::ascii_key('R');
|
|
|
+ case XK_S:
|
|
|
+ return KeyboardButton::ascii_key('S');
|
|
|
+ case XK_T:
|
|
|
+ return KeyboardButton::ascii_key('T');
|
|
|
+ case XK_U:
|
|
|
+ return KeyboardButton::ascii_key('U');
|
|
|
+ case XK_V:
|
|
|
+ return KeyboardButton::ascii_key('V');
|
|
|
+ case XK_W:
|
|
|
+ return KeyboardButton::ascii_key('W');
|
|
|
+ case XK_X:
|
|
|
+ return KeyboardButton::ascii_key('X');
|
|
|
+ case XK_Y:
|
|
|
+ return KeyboardButton::ascii_key('Y');
|
|
|
+ case XK_Z:
|
|
|
+ return KeyboardButton::ascii_key('Z');
|
|
|
+ case XK_bracketleft:
|
|
|
+ return KeyboardButton::ascii_key('[');
|
|
|
+ case XK_backslash:
|
|
|
+ return KeyboardButton::ascii_key('\\');
|
|
|
+ case XK_bracketright:
|
|
|
+ return KeyboardButton::ascii_key(']');
|
|
|
+ case XK_asciicircum:
|
|
|
+ return KeyboardButton::ascii_key('^');
|
|
|
+ case XK_underscore:
|
|
|
+ return KeyboardButton::ascii_key('_');
|
|
|
+ case XK_grave: // == XK_quoteleft
|
|
|
+ return KeyboardButton::ascii_key('`');
|
|
|
+ case XK_a:
|
|
|
+ return KeyboardButton::ascii_key('a');
|
|
|
+ case XK_b:
|
|
|
+ return KeyboardButton::ascii_key('b');
|
|
|
+ case XK_c:
|
|
|
+ return KeyboardButton::ascii_key('c');
|
|
|
+ case XK_d:
|
|
|
+ return KeyboardButton::ascii_key('d');
|
|
|
+ case XK_e:
|
|
|
+ return KeyboardButton::ascii_key('e');
|
|
|
+ case XK_f:
|
|
|
+ return KeyboardButton::ascii_key('f');
|
|
|
+ case XK_g:
|
|
|
+ return KeyboardButton::ascii_key('g');
|
|
|
+ case XK_h:
|
|
|
+ return KeyboardButton::ascii_key('h');
|
|
|
+ case XK_i:
|
|
|
+ return KeyboardButton::ascii_key('i');
|
|
|
+ case XK_j:
|
|
|
+ return KeyboardButton::ascii_key('j');
|
|
|
+ case XK_k:
|
|
|
+ return KeyboardButton::ascii_key('k');
|
|
|
+ case XK_l:
|
|
|
+ return KeyboardButton::ascii_key('l');
|
|
|
+ case XK_m:
|
|
|
+ return KeyboardButton::ascii_key('m');
|
|
|
+ case XK_n:
|
|
|
+ return KeyboardButton::ascii_key('n');
|
|
|
+ case XK_o:
|
|
|
+ return KeyboardButton::ascii_key('o');
|
|
|
+ case XK_p:
|
|
|
+ return KeyboardButton::ascii_key('p');
|
|
|
+ case XK_q:
|
|
|
+ return KeyboardButton::ascii_key('q');
|
|
|
+ case XK_r:
|
|
|
+ return KeyboardButton::ascii_key('r');
|
|
|
+ case XK_s:
|
|
|
+ return KeyboardButton::ascii_key('s');
|
|
|
+ case XK_t:
|
|
|
+ return KeyboardButton::ascii_key('t');
|
|
|
+ case XK_u:
|
|
|
+ return KeyboardButton::ascii_key('u');
|
|
|
+ case XK_v:
|
|
|
+ return KeyboardButton::ascii_key('v');
|
|
|
+ case XK_w:
|
|
|
+ return KeyboardButton::ascii_key('w');
|
|
|
+ case XK_x:
|
|
|
+ return KeyboardButton::ascii_key('x');
|
|
|
+ case XK_y:
|
|
|
+ return KeyboardButton::ascii_key('y');
|
|
|
+ case XK_z:
|
|
|
+ return KeyboardButton::ascii_key('z');
|
|
|
+ case XK_braceleft:
|
|
|
+ return KeyboardButton::ascii_key('{');
|
|
|
+ case XK_bar:
|
|
|
+ return KeyboardButton::ascii_key('|');
|
|
|
+ case XK_braceright:
|
|
|
+ return KeyboardButton::ascii_key('}');
|
|
|
+ case XK_asciitilde:
|
|
|
+ return KeyboardButton::ascii_key('~');
|
|
|
+ case XK_F1:
|
|
|
+ return KeyboardButton::f1();
|
|
|
+ case XK_F2:
|
|
|
+ return KeyboardButton::f2();
|
|
|
+ case XK_F3:
|
|
|
+ return KeyboardButton::f3();
|
|
|
+ case XK_F4:
|
|
|
+ return KeyboardButton::f4();
|
|
|
+ case XK_F5:
|
|
|
+ return KeyboardButton::f5();
|
|
|
+ case XK_F6:
|
|
|
+ return KeyboardButton::f6();
|
|
|
+ case XK_F7:
|
|
|
+ return KeyboardButton::f7();
|
|
|
+ case XK_F8:
|
|
|
+ return KeyboardButton::f8();
|
|
|
+ case XK_F9:
|
|
|
+ return KeyboardButton::f9();
|
|
|
+ case XK_F10:
|
|
|
+ return KeyboardButton::f10();
|
|
|
+ case XK_F11:
|
|
|
+ return KeyboardButton::f11();
|
|
|
+ case XK_F12:
|
|
|
+ return KeyboardButton::f12();
|
|
|
+ case XK_KP_Left:
|
|
|
+ case XK_Left:
|
|
|
+ return KeyboardButton::left();
|
|
|
+ case XK_KP_Up:
|
|
|
+ case XK_Up:
|
|
|
+ return KeyboardButton::up();
|
|
|
+ case XK_KP_Right:
|
|
|
+ case XK_Right:
|
|
|
+ return KeyboardButton::right();
|
|
|
+ case XK_KP_Down:
|
|
|
+ case XK_Down:
|
|
|
+ return KeyboardButton::down();
|
|
|
+ case XK_KP_Prior:
|
|
|
+ case XK_Prior:
|
|
|
+ return KeyboardButton::page_up();
|
|
|
+ case XK_KP_Next:
|
|
|
+ case XK_Next:
|
|
|
+ return KeyboardButton::page_down();
|
|
|
+ case XK_KP_Home:
|
|
|
+ case XK_Home:
|
|
|
+ return KeyboardButton::home();
|
|
|
+ case XK_KP_End:
|
|
|
+ case XK_End:
|
|
|
+ return KeyboardButton::end();
|
|
|
+ case XK_KP_Insert:
|
|
|
+ case XK_Insert:
|
|
|
+ return KeyboardButton::insert();
|
|
|
+ case XK_KP_Delete:
|
|
|
+ case XK_Delete:
|
|
|
+ return KeyboardButton::del();
|
|
|
+ case XK_Shift_L:
|
|
|
+ case XK_Shift_R:
|
|
|
+ return KeyboardButton::shift();
|
|
|
+ case XK_Control_L:
|
|
|
+ case XK_Control_R:
|
|
|
+ return KeyboardButton::control();
|
|
|
+ case XK_Alt_L:
|
|
|
+ case XK_Alt_R:
|
|
|
+ return KeyboardButton::alt();
|
|
|
+ case XK_Meta_L:
|
|
|
+ case XK_Meta_R:
|
|
|
+ return KeyboardButton::meta();
|
|
|
+ case XK_Caps_Lock:
|
|
|
+ return KeyboardButton::caps_lock();
|
|
|
+ case XK_Shift_Lock:
|
|
|
+ return KeyboardButton::shift_lock();
|
|
|
+ }
|
|
|
+
|
|
|
+ return ButtonHandle::none();
|
|
|
+}
|
|
|
+
|
|
|
+////////////////////////////////////////////////////////////////////
|
|
|
+// Function: TinyXGraphicsWindow::get_mouse_button
|
|
|
+// Access: Private
|
|
|
+// Description: Returns the Panda ButtonHandle corresponding to the
|
|
|
+// mouse button indicated by the given button event.
|
|
|
+////////////////////////////////////////////////////////////////////
|
|
|
+ButtonHandle TinyXGraphicsWindow::
|
|
|
+get_mouse_button(XButtonEvent &button_event) {
|
|
|
+ int index = button_event.button;
|
|
|
+ if (index == x_wheel_up_button) {
|
|
|
+ return MouseButton::wheel_up();
|
|
|
+ } else if (index == x_wheel_down_button) {
|
|
|
+ return MouseButton::wheel_down();
|
|
|
+ } else {
|
|
|
+ return MouseButton::button(index - 1);
|
|
|
+ }
|
|
|
+}
|
|
|
+////////////////////////////////////////////////////////////////////
|
|
|
+// Function: TinyXGraphicsWindow::check_event
|
|
|
+// Access: Private, Static
|
|
|
+// Description: This function is used as a predicate to
|
|
|
+// XCheckIfEvent() to determine if the indicated queued
|
|
|
+// X event is relevant and should be returned to this
|
|
|
+// window.
|
|
|
+////////////////////////////////////////////////////////////////////
|
|
|
+Bool TinyXGraphicsWindow::
|
|
|
+check_event(Display *display, XEvent *event, char *arg) {
|
|
|
+ const TinyXGraphicsWindow *self = (TinyXGraphicsWindow *)arg;
|
|
|
+
|
|
|
+ // We accept any event that is sent to our window.
|
|
|
+ return (event->xany.window == self->_xwindow);
|
|
|
+}
|
|
|
+
|
|
|
+////////////////////////////////////////////////////////////////////
|
|
|
+// Function: TinyXGraphicsWindow::create_frame_buffer
|
|
|
+// Access: Private
|
|
|
+// Description: Creates a suitable frame buffer for the current
|
|
|
+// window size.
|
|
|
+////////////////////////////////////////////////////////////////////
|
|
|
+void TinyXGraphicsWindow::
|
|
|
+create_frame_buffer() {
|
|
|
+ if (_frame_buffer != NULL) {
|
|
|
+ ZB_close(_frame_buffer);
|
|
|
+ _frame_buffer = NULL;
|
|
|
+ }
|
|
|
+
|
|
|
+ int mode;
|
|
|
+ switch (_bytes_per_pixel) {
|
|
|
+ case 1:
|
|
|
+ tinydisplay_cat.error()
|
|
|
+ << "Palette images are currently not supported.\n";
|
|
|
+ return;
|
|
|
+
|
|
|
+ case 2:
|
|
|
+ mode = ZB_MODE_5R6G5B;
|
|
|
+ break;
|
|
|
+ case 4:
|
|
|
+ mode = ZB_MODE_RGBA;
|
|
|
+ break;
|
|
|
+
|
|
|
+ default:
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ _frame_buffer = ZB_open(_properties.get_x_size(), _properties.get_y_size(), mode, 0, 0, 0, 0);
|
|
|
+ _pitch = _properties.get_x_size() * _bytes_per_pixel;
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+////////////////////////////////////////////////////////////////////
|
|
|
+// Function: TinyXGraphicsWindow::create_ximage
|
|
|
+// Access: Private
|
|
|
+// Description: Creates a suitable XImage for the current
|
|
|
+// window size.
|
|
|
+////////////////////////////////////////////////////////////////////
|
|
|
+void TinyXGraphicsWindow::
|
|
|
+create_ximage() {
|
|
|
+ if (_ximage != NULL) {
|
|
|
+ if (_bytes_per_pixel != 4) {
|
|
|
+ PANDA_FREE_ARRAY(_ximage->data);
|
|
|
+ }
|
|
|
+ _ximage->data = NULL;
|
|
|
+ XDestroyImage(_ximage);
|
|
|
+ _ximage = NULL;
|
|
|
+ }
|
|
|
+
|
|
|
+ int image_size = _properties.get_x_size() * _properties.get_y_size() * _bytes_per_pixel;
|
|
|
+ char *data = NULL;
|
|
|
+ if (_bytes_per_pixel != 4) {
|
|
|
+ data = (char *)PANDA_MALLOC_ARRAY(image_size);
|
|
|
+ }
|
|
|
+
|
|
|
+ _ximage = XCreateImage(_display, _visual, _depth, ZPixmap, 0, data,
|
|
|
+ _properties.get_x_size(), _properties.get_y_size(),
|
|
|
+ 8, 0);
|
|
|
+}
|
|
|
+
|
|
|
+#endif // IS_LINUX
|
|
|
+
|
David Rose