Demo, Shortcut(): amend Shortcuts demo. (#456)

imgui_demo.cpp

@@ -6184,12 +6184,14 @@ static void ShowDemoWindowInputs()
         // Display inputs submitted to ImGuiIO
         IMGUI_DEMO_MARKER("Inputs & Focus/Inputs");
         ImGui::SetNextItemOpen(true, ImGuiCond_Once);
-        if (ImGui::TreeNode("Inputs"))
+        bool inputs_opened = ImGui::TreeNode("Inputs");
+        ImGui::SameLine();
+        HelpMarker(
+            "This is a simplified view. See more detailed input state:\n"
+            "- in 'Tools->Metrics/Debugger->Inputs'.\n"
+            "- in 'Tools->Debug Log->IO'.");
+        if (inputs_opened)
         {
-            HelpMarker(
-                "This is a simplified view. See more detailed input state:\n"
-                "- in 'Tools->Metrics/Debugger->Inputs'.\n"
-                "- in 'Tools->Debug Log->IO'.");
             if (ImGui::IsMousePosValid())
                 ImGui::Text("Mouse pos: (%g, %g)", io.MousePos.x, io.MousePos.y);
             else
@@ -6220,15 +6222,17 @@ static void ShowDemoWindowInputs()
         // Display ImGuiIO output flags
         IMGUI_DEMO_MARKER("Inputs & Focus/Outputs");
         ImGui::SetNextItemOpen(true, ImGuiCond_Once);
-        if (ImGui::TreeNode("Outputs"))
+        bool outputs_opened = ImGui::TreeNode("Outputs");
+        ImGui::SameLine();
+        HelpMarker(
+            "The value of io.WantCaptureMouse and io.WantCaptureKeyboard are normally set by Dear ImGui "
+            "to instruct your application of how to route inputs. Typically, when a value is true, it means "
+            "Dear ImGui wants the corresponding inputs and we expect the underlying application to ignore them.\n\n"
+            "The most typical case is: when hovering a window, Dear ImGui set io.WantCaptureMouse to true, "
+            "and underlying application should ignore mouse inputs (in practice there are many and more subtle "
+            "rules leading to how those flags are set).");
+        if (outputs_opened)
         {
-            HelpMarker(
-                "The value of io.WantCaptureMouse and io.WantCaptureKeyboard are normally set by Dear ImGui "
-                "to instruct your application of how to route inputs. Typically, when a value is true, it means "
-                "Dear ImGui wants the corresponding inputs and we expect the underlying application to ignore them.\n\n"
-                "The most typical case is: when hovering a window, Dear ImGui set io.WantCaptureMouse to true, "
-                "and underlying application should ignore mouse inputs (in practice there are many and more subtle "
-                "rules leading to how those flags are set).");
             ImGui::Text("io.WantCaptureMouse: %d", io.WantCaptureMouse);
             ImGui::Text("io.WantCaptureMouseUnlessPopupClose: %d", io.WantCaptureMouseUnlessPopupClose);
             ImGui::Text("io.WantCaptureKeyboard: %d", io.WantCaptureKeyboard);
@@ -6275,14 +6279,6 @@ static void ShowDemoWindowInputs()
         IMGUI_DEMO_MARKER("Inputs & Focus/Shortcuts");
         if (ImGui::TreeNode("Shortcuts"))
         {
-            ImGui::SeparatorText("Using SetNextItemShortcut()");
-            ImGui::SetNextItemShortcut(ImGuiMod_Ctrl | ImGuiKey_S);
-            ImGui::Button("Save");
-            ImGui::SetItemTooltip("Ctrl+S"); // FIXME: Tooltip could be automatically submitted by SetNextItemShortcut
-
-            ImGui::SeparatorText("Using Shortcut()");
-            const float line_height = ImGui::GetTextLineHeightWithSpacing();
-            const ImGuiKeyChord key_chord = ImGuiMod_Ctrl | ImGuiKey_A;
             static ImGuiInputFlags other_flags = ImGuiInputFlags_Repeat;
             static ImGuiInputFlags routing_flags = ImGuiInputFlags_RouteFocused;
             ImGui::CheckboxFlags("ImGuiInputFlags_Repeat", &other_flags, ImGuiInputFlags_Repeat);
@@ -6294,8 +6290,24 @@ static void ShowDemoWindowInputs()
             ImGui::CheckboxFlags("ImGuiInputFlags_RouteUnlessBgFocused", &other_flags, ImGuiInputFlags_RouteUnlessBgFocused);
             const ImGuiInputFlags flags = other_flags | routing_flags; // Merged flags
 
+            ImGui::SeparatorText("Using SetNextItemShortcut()");
+            ImGui::Text("Ctrl+S");
+            ImGui::SetNextItemShortcut(ImGuiMod_Ctrl | ImGuiKey_S, flags | ImGuiInputFlags_Tooltip);
+            ImGui::Button("Save");
+            ImGui::Text("Alt+F");
+            ImGui::SetNextItemShortcut(ImGuiMod_Alt | ImGuiKey_F, flags | ImGuiInputFlags_Tooltip);
+            static float f = 0.5f;
+            ImGui::SliderFloat("Factor", &f, 0.0f, 1.0f);
+
+            ImGui::SeparatorText("Using Shortcut()");
+            const float line_height = ImGui::GetTextLineHeightWithSpacing();
+            const ImGuiKeyChord key_chord = ImGuiMod_Ctrl | ImGuiKey_A;
+
+            ImGui::Text("Ctrl+A");
             ImGui::Text("IsWindowFocused: %d, Shortcut: %s", ImGui::IsWindowFocused(), ImGui::Shortcut(key_chord, flags) ? "PRESSED" : "...");
 
+            ImGui::PushStyleColor(ImGuiCol_ChildBg, ImVec4(1.0f, 0.0f, 1.0f, 0.1f));
+
             ImGui::BeginChild("WindowA", ImVec2(-FLT_MIN, line_height * 14), true);
             ImGui::Text("Press CTRL+A and see who receives it!");
             ImGui::Separator();
@@ -6338,6 +6350,7 @@ static void ShowDemoWindowInputs()
                 ImGui::EndPopup();
             }
             ImGui::EndChild();
+            ImGui::PopStyleColor();
 
             ImGui::TreePop();
         }