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ImGui: Implement cursor support on Windows

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This commit is contained in:
Henrik Rydgård 2024-12-13 22:05:32 +01:00
parent 3cc7d6ef7a
commit 8cc77c0997
3 changed files with 35 additions and 0 deletions
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26
Windows/MainWindow.cpp
View file

@ -41,6 +41,7 @@
#include "Common/Input/KeyCodes.h"
#include "Common/Thread/ThreadUtil.h"
#include "Common/Data/Encoding/Utf8.h"
#include "ext/imgui/imgui_impl_platform.h"
#include "Core/Core.h"
#include "Core/Config.h"
@ -611,6 +612,31 @@ namespace MainWindow
case WM_SETFOCUS:
break;
case WM_SETCURSOR:
if ((lParam & 0xFFFF) == HTCLIENT && g_Config.bShowImDebugger) {
LPTSTR win32_cursor = 0;
switch (ImGui_ImplPlatform_GetCursor()) {
case ImGuiMouseCursor_Arrow: win32_cursor = IDC_ARROW; break;
case ImGuiMouseCursor_TextInput: win32_cursor = IDC_IBEAM; break;
case ImGuiMouseCursor_ResizeAll: win32_cursor = IDC_SIZEALL; break;
case ImGuiMouseCursor_ResizeEW: win32_cursor = IDC_SIZEWE; break;
case ImGuiMouseCursor_ResizeNS: win32_cursor = IDC_SIZENS; break;
case ImGuiMouseCursor_ResizeNESW: win32_cursor = IDC_SIZENESW; break;
case ImGuiMouseCursor_ResizeNWSE: win32_cursor = IDC_SIZENWSE; break;
case ImGuiMouseCursor_Hand: win32_cursor = IDC_HAND; break;
case ImGuiMouseCursor_NotAllowed: win32_cursor = IDC_NO; break;
}
if (win32_cursor) {
SetCursor(::LoadCursor(nullptr, win32_cursor));
} else {
SetCursor(nullptr);
}
return TRUE;
} else {
return DefWindowProc(hWnd, message, wParam, lParam);
}
break;
case WM_ERASEBKGND:
if (firstErase) {
firstErase = false;

7
ext/imgui/imgui_impl_platform.cpp
View file

@ -9,6 +9,8 @@
#include "imgui_impl_platform.h"
static ImGuiMouseCursor g_cursor = ImGuiMouseCursor_Arrow;
void ImGui_ImplPlatform_KeyEvent(const KeyInput &key) {
ImGuiIO &io = ImGui::GetIO();
@ -94,6 +96,7 @@ void ImGui_ImplPlatform_NewFrame() {
double now = time_now_d();
g_cursor = ImGui::GetMouseCursor();
ImGuiIO &io = ImGui::GetIO();
io.DisplaySize = ImVec2(g_display.pixel_xres, g_display.pixel_yres);
io.DisplayFramebufferScale = ImVec2(1.0f, 1.0f);
@ -102,6 +105,10 @@ void ImGui_ImplPlatform_NewFrame() {
lastTime = now;
}
ImGuiMouseCursor ImGui_ImplPlatform_GetCursor() {
return g_cursor;
}
// Written by chatgpt
ImGuiKey KeyCodeToImGui(InputKeyCode keyCode) {
switch (keyCode) {

2
ext/imgui/imgui_impl_platform.h
View file

@ -14,3 +14,5 @@ void ImGui_ImplPlatform_NewFrame();
void ImGui_ImplPlatform_KeyEvent(const KeyInput &key);
void ImGui_ImplPlatform_TouchEvent(const TouchInput &touch);
void ImGui_ImplPlatform_AxisEvent(const AxisInput &axis);
ImGuiMouseCursor ImGui_ImplPlatform_GetCursor();