Add generic file icon and its modulation to the 'FileDialog'

(cherry picked from commit 637927f8035bbffc4ffb0a71115071eaa1a82f3b)

doc/classes/FileDialog.xml

@@ -132,6 +132,12 @@
 		</constant>
 	</constants>
 	<theme_items>
+		<theme_item name="file" type="Texture">
+			Custom icon for files.
+		</theme_item>
+		<theme_item name="file_icon_modulate" type="Color" default="Color( 1, 1, 1, 1 )">
+			The color modulation applied to the file icon.
+		</theme_item>
 		<theme_item name="files_disabled" type="Color" default="Color( 0, 0, 0, 0.7 )">
 			The color tint for disabled files (when the [FileDialog] is used in open folder mode).
 		</theme_item>

scene/gui/file_dialog.cpp

@@ -426,7 +426,9 @@ void FileDialog::update_file_list() {
 
 	TreeItem *root = tree->create_item();
 	Ref<Texture> folder = get_icon("folder");
+	Ref<Texture> file_icon = get_icon("file");
 	const Color folder_color = get_color("folder_icon_modulate");
+	const Color file_color = get_color("file_icon_modulate");
 	List<String> files;
 	List<String> dirs;
 
@@ -521,7 +523,10 @@ void FileDialog::update_file_list() {
 
 				Ref<Texture> icon = get_icon_func(base_dir.plus_file(files.front()->get()));
 				ti->set_icon(0, icon);
+			} else {
+				ti->set_icon(0, file_icon);
 			}
+			ti->set_icon_modulate(0, file_color);
 
 			if (mode == MODE_OPEN_DIR) {
 				ti->set_custom_color(0, get_color("files_disabled"));

scene/resources/default_theme/default_theme.cpp

@@ -759,7 +759,9 @@ void fill_default_theme(Ref<Theme> &theme, const Ref<Font> &default_font, const
 	// FileDialog
 
 	theme->set_icon("folder", "FileDialog", make_icon(icon_folder_png));
+	theme->set_icon("file", "FileDialog", make_icon(icon_file_png));
 	theme->set_color("folder_icon_modulate", "FileDialog", Color(1, 1, 1));
+	theme->set_color("file_icon_modulate", "FileDialog", Color(1, 1, 1));
 	theme->set_color("files_disabled", "FileDialog", Color(0, 0, 0, 0.7));
 
 	// ColorPicker

scene/resources/default_theme/theme_data.h

@@ -150,6 +150,10 @@ static const unsigned char icon_color_pick_png[] = {
 	0x89, 0x50, 0x4e, 0x47, 0xd, 0xa, 0x1a, 0xa, 0x0, 0x0, 0x0, 0xd, 0x49, 0x48, 0x44, 0x52, 0x0, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x10, 0x8, 0x4, 0x0, 0x0, 0x0, 0xb5, 0xfa, 0x37, 0xea, 0x0, 0x0, 0x0, 0xaa, 0x49, 0x44, 0x41, 0x54, 0x78, 0xda, 0x9d, 0x8e, 0x35, 0x82, 0x2, 0x41, 0x10, 0x45, 0x3b, 0xda, 0x3d, 0xca, 0xba, 0x44, 0x2b, 0x70, 0x9, 0xdc, 0xe1, 0x20, 0xe8, 0x91, 0x90, 0x78, 0x6e, 0x40, 0x4c, 0x82, 0x74, 0xff, 0xc2, 0x9d, 0x18, 0xa7, 0x6, 0x77, 0x7b, 0x23, 0x2d, 0xaf, 0x4c, 0xdc, 0xc, 0xbd, 0x65, 0x1e, 0x84, 0x80, 0x19, 0x55, 0x34, 0x60, 0x3e, 0xd0, 0xea, 0x17, 0x3d, 0x4a, 0xc8, 0x80, 0x1a, 0x60, 0xc2, 0x4f, 0xfd, 0x30, 0xe0, 0x1b, 0x2d, 0x16, 0xab, 0xa7, 0x2c, 0xe, 0x41, 0x68, 0xa5, 0xb9, 0xca, 0x91, 0x16, 0x2e, 0x54, 0xe0, 0x59, 0x54, 0x91, 0xfe, 0xa3, 0x3a, 0xff, 0xce, 0xab, 0x5b, 0xf, 0xa0, 0x4, 0x8f, 0x7b, 0x4c, 0xd3, 0x1b, 0xca, 0x32, 0xcc, 0x55, 0x7a, 0xf4, 0x76, 0x42, 0x2b, 0x97, 0x3e, 0xae, 0xfa, 0xdd, 0xd2, 0xd2, 0x8e, 0x72, 0xe1, 0x83, 0xaf, 0x9f, 0xa9, 0x28, 0x7d, 0x5b, 0xe2, 0x2a, 0xd, 0xc3, 0xa2, 0x78, 0xfe, 0x7d, 0x51, 0xfc, 0x0, 0x8a, 0x41, 0xcb, 0x3d, 0xb2, 0xae, 0x1c, 0xd3, 0xc, 0xa5, 0x30, 0x81, 0xc6, 0xda, 0x29, 0x8e, 0x83, 0x34, 0x25, 0x29, 0x4a, 0x46, 0x71, 0x1f, 0x33, 0xbe, 0x51, 0x89, 0xaf, 0x78, 0xe3, 0x97, 0x7e, 0x0, 0x0, 0x0, 0x0, 0x49, 0x45, 0x4e, 0x44, 0xae, 0x42, 0x60, 0x82
 };
 
+static const unsigned char icon_file_png[] = {
+	0x89, 0x50, 0x4e, 0x47, 0xd, 0xa, 0x1a, 0xa, 0x0, 0x0, 0x0, 0xd, 0x49, 0x48, 0x44, 0x52, 0x0, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x10, 0x2, 0x3, 0x0, 0x0, 0x0, 0x62, 0x9d, 0x17, 0xf2, 0x0, 0x0, 0x0, 0x9, 0x70, 0x48, 0x59, 0x73, 0x0, 0x0, 0xe, 0xc3, 0x0, 0x0, 0xe, 0xc3, 0x1, 0xc7, 0x6f, 0xa8, 0x64, 0x0, 0x0, 0x0, 0x19, 0x74, 0x45, 0x58, 0x74, 0x53, 0x6f, 0x66, 0x74, 0x77, 0x61, 0x72, 0x65, 0x0, 0x77, 0x77, 0x77, 0x2e, 0x69, 0x6e, 0x6b, 0x73, 0x63, 0x61, 0x70, 0x65, 0x2e, 0x6f, 0x72, 0x67, 0x9b, 0xee, 0x3c, 0x1a, 0x0, 0x0, 0x0, 0x9, 0x50, 0x4c, 0x54, 0x45, 0x0, 0x0, 0x0, 0xdf, 0xdf, 0xdf, 0xe0, 0xe0, 0xe0, 0x42, 0xf, 0xc7, 0x49, 0x0, 0x0, 0x0, 0x2, 0x74, 0x52, 0x4e, 0x53, 0x0, 0x88, 0x95, 0xf0, 0xc6, 0x2a, 0x0, 0x0, 0x0, 0x21, 0x49, 0x44, 0x41, 0x54, 0x8, 0xd7, 0x63, 0x60, 0x0, 0x1, 0xae, 0x55, 0x2d, 0x20, 0xa2, 0x13, 0x44, 0x74, 0x39, 0x80, 0x88, 0x9, 0x40, 0xa2, 0x1, 0xc4, 0x5d, 0xb5, 0x80, 0x68, 0x2, 0x4, 0x0, 0x95, 0x34, 0x18, 0xe4, 0x5e, 0x46, 0xf7, 0x27, 0x0, 0x0, 0x0, 0x0, 0x49, 0x45, 0x4e, 0x44, 0xae, 0x42, 0x60, 0x82
+};
+
 static const unsigned char icon_folder_png[] = {
 	0x89, 0x50, 0x4e, 0x47, 0xd, 0xa, 0x1a, 0xa, 0x0, 0x0, 0x0, 0xd, 0x49, 0x48, 0x44, 0x52, 0x0, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x10, 0x8, 0x4, 0x0, 0x0, 0x0, 0xb5, 0xfa, 0x37, 0xea, 0x0, 0x0, 0x0, 0x2e, 0x49, 0x44, 0x41, 0x54, 0x78, 0xda, 0x63, 0xa0, 0x6, 0x78, 0x70, 0xf4, 0xc1, 0x7f, 0x24, 0x78, 0x18, 0x53, 0xc1, 0x7f, 0x54, 0x48, 0x50, 0xc1, 0x43, 0x1b, 0xbc, 0xa, 0x50, 0xad, 0x23, 0xa4, 0xe0, 0xff, 0x70, 0x52, 0x70, 0x18, 0x97, 0xf4, 0xfd, 0x43, 0xd4, 0x88, 0x4a, 0x0, 0x5a, 0xcb, 0x18, 0xab, 0x5e, 0xd9, 0x1a, 0x53, 0x0, 0x0, 0x0, 0x0, 0x49, 0x45, 0x4e, 0x44, 0xae, 0x42, 0x60, 0x82
 };