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Win32: Filter out duplicate size events

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This mirrors the filtering done on X11 and Cocoa.  Possibly this should
be done by shared code instead.

Fixes #1610.
This commit is contained in:
Camilla Löwy 2020-10-07 23:35:17 +02:00
parent ac627706ef
commit 0bccc3852b
3 changed files with 17 additions and 2 deletions
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2
README.md
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@ -158,6 +158,7 @@ information on what to include when reporting a bug.
- [Win32] Bugfix: Monitor functions could return invalid values after
configuration change (#1761)
- [Win32] Bugfix: Initialization would segfault on Windows 8 (not 8.1) (#1775)
- [Win32] Bugfix: Duplicate size events were not filtered (#1610)
- [Cocoa] Added support for `VK_EXT_metal_surface` (#1619)
- [Cocoa] Added locating the Vulkan loader at runtime in an application bundle
- [Cocoa] Moved main menu creation to GLFW initialization time (#1649)
@ -326,6 +327,7 @@ skills.
- Shane Liesegang
- Anders Lindqvist
- Leon Linhart
- Marco Lizza
- Eyal Lotem
- Aaron Loucks
- Luflosi

3
src/win32_platform.h
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@ -314,6 +314,9 @@ typedef struct _GLFWwindowWin32
GLFWbool scaleToMonitor;
GLFWbool keymenu;
// Cached size used to filter out duplicate events
int width, height;
// The last received cursor position, regardless of source
int lastCursorPosX, lastCursorPosY;
// The last recevied high surrogate when decoding pairs of UTF-16 messages

14
src/win32_window.c
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@ -961,6 +961,8 @@ static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg,
case WM_SIZE:
{
const int width = LOWORD(lParam);
const int height = HIWORD(lParam);
const GLFWbool iconified = wParam == SIZE_MINIMIZED;
const GLFWbool maximized = wParam == SIZE_MAXIMIZED ||
(window->win32.maximized &&
@ -975,8 +977,14 @@ static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg,
if (window->win32.maximized != maximized)
_glfwInputWindowMaximize(window, maximized);
_glfwInputFramebufferSize(window, LOWORD(lParam), HIWORD(lParam));
_glfwInputWindowSize(window, LOWORD(lParam), HIWORD(lParam));
if (width != window->win32.width || height != window->win32.height)
{
window->win32.width = width;
window->win32.height = height;
_glfwInputFramebufferSize(window, width, height);
_glfwInputWindowSize(window, width, height);
}
if (window->monitor && window->win32.iconified != iconified)
{
@ -1315,6 +1323,8 @@ static int createNativeWindow(_GLFWwindow* window,
window->win32.transparent = GLFW_TRUE;
}
_glfwPlatformGetWindowSize(window, &window->win32.width, &window->win32.height);
return GLFW_TRUE;
}