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adjust nccalcsize window message; we just need to coax windows into doing the copy in order to avoid resize artifacts. still not perfect, can get into a weird state, and we may need to do more full size calculation in some cases

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This commit is contained in:
Ryan Fleury
2024-11-19 16:59:20 -08:00
parent a40c26a0eb
commit cb4232469e
2 changed files with 24 additions and 26 deletions
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src/os/gfx/win32/os_gfx_win32.c
+22 -25
View File
@@ -8,8 +8,10 @@
typedef BOOL w32_SetProcessDpiAwarenessContext_Type(void* value);
typedef UINT w32_GetDpiForWindow_Type(HWND hwnd);
typedef int w32_GetSystemMetricsForDpi_Type(int nIndex, UINT dpi);
#define w32_DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2 ((void*)-4)
global w32_GetDpiForWindow_Type *w32_GetDpiForWindow_func = 0;
global w32_GetSystemMetricsForDpi_Type *w32_GetSystemMetricsForDpi_func = 0;
////////////////////////////////
//~ rjf: Basic Helpers
@@ -559,7 +561,7 @@ os_w32_wnd_proc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
//- rjf: [custom border]
case WM_NCPAINT:
{
if(window != 0 && window->custom_border && !window->custom_border_composition_enabled)
if(os_w32_new_window_custom_border || (window != 0 && window->custom_border && !window->custom_border_composition_enabled))
{
result = 0;
}
@@ -596,7 +598,7 @@ os_w32_wnd_proc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
case WM_NCUAHDRAWFRAME:
{
// NOTE(rjf): undocumented messages for drawing themed window borders.
if(window != 0 && window->custom_border)
if(os_w32_new_window_custom_border || (window != 0 && window->custom_border))
{
result = 0;
}
@@ -608,7 +610,7 @@ os_w32_wnd_proc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
case WM_SETICON:
case WM_SETTEXT:
{
if(window && window->custom_border && !window->custom_border_composition_enabled)
if(os_w32_new_window_custom_border || (window && window->custom_border && !window->custom_border_composition_enabled))
{
// NOTE(rjf):
// https://blogs.msdn.microsoft.com/wpfsdk/2008/09/08/custom-window-chrome-in-wpf/
@@ -626,7 +628,7 @@ os_w32_wnd_proc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
//- rjf: [custom border] activation - without this `result`, stuff flickers.
case WM_NCACTIVATE:
{
if(window == 0 || window->custom_border == 0)
if(!os_w32_new_window_custom_border && (window == 0 || window->custom_border == 0))
{
result = DefWindowProcW(hwnd, uMsg, wParam, lParam);
}
@@ -638,30 +640,18 @@ os_w32_wnd_proc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
//- rjf: [custom border] client/window size calculation
case WM_NCCALCSIZE:
if(window != 0)
{
if(window->custom_border == 0)
if(os_w32_new_window_custom_border || (window && window->custom_border))
{
result = DefWindowProcW(hwnd, uMsg, wParam, lParam);
if(wParam == 1)
{
NCCALCSIZE_PARAMS *pncsp = (NCCALCSIZE_PARAMS *)lParam;
pncsp->rgrc[0].right += 1;
}
}
else
{
MARGINS m = {0, 0, 0, 0};
RECT *r = (RECT *)lParam;
DWORD window_style = window ? GetWindowLong(window->hwnd, GWL_STYLE) : 0;
B32 is_fullscreen = !(window_style & WS_OVERLAPPEDWINDOW);
if(IsZoomed(hwnd) && !is_fullscreen)
{
int x_push_in = GetSystemMetrics(SM_CXFRAME) + GetSystemMetrics(SM_CXPADDEDBORDER);
int y_push_in = GetSystemMetrics(SM_CYFRAME) + GetSystemMetrics(SM_CXPADDEDBORDER);
r->left += x_push_in;
r->top += y_push_in;
r->bottom -= x_push_in;
r->right -= y_push_in;
m.cxLeftWidth = m.cxRightWidth = x_push_in;
m.cyTopHeight = m.cyBottomHeight = y_push_in;
}
DwmExtendFrameIntoClientArea(hwnd, &m);
result = DefWindowProc(hwnd, uMsg, wParam, lParam);
}
}break;
@@ -814,6 +804,7 @@ os_gfx_init(void)
(w32_SetProcessDpiAwarenessContext_Type*)GetProcAddress(module, "SetProcessDpiAwarenessContext");
w32_GetDpiForWindow_func =
(w32_GetDpiForWindow_Type*)GetProcAddress(module, "GetDpiForWindow");
w32_GetSystemMetricsForDpi_func = (w32_GetSystemMetricsForDpi_Type *)GetProcAddress(module, "GetSystemMetricsForDpi");
FreeLibrary(module);
}
if(SetProcessDpiAwarenessContext_func != 0)
@@ -1015,11 +1006,14 @@ os_get_clipboard_text(Arena *arena)
internal OS_Handle
os_window_open(Vec2F32 resolution, OS_WindowFlags flags, String8 title)
{
B32 custom_border = !!(flags & OS_WindowFlag_CustomBorder);
//- rjf: make hwnd
HWND hwnd = 0;
{
Temp scratch = scratch_begin(0, 0);
String16 title16 = str16_from_8(scratch.arena, title);
os_w32_new_window_custom_border = custom_border;
hwnd = CreateWindowExW(WS_EX_APPWINDOW,
L"graphical-window",
(WCHAR*)title16.str,
@@ -1031,6 +1025,7 @@ os_window_open(Vec2F32 resolution, OS_WindowFlags flags, String8 title)
os_w32_gfx_state->hInstance,
0);
DragAcceptFiles(hwnd, 1);
os_w32_new_window_custom_border = 0;
scratch_end(scratch);
}
@@ -1038,10 +1033,12 @@ os_window_open(Vec2F32 resolution, OS_WindowFlags flags, String8 title)
OS_W32_Window *window = os_w32_window_alloc();
{
window->hwnd = hwnd;
if (w32_GetDpiForWindow_func != 0){
if(w32_GetDpiForWindow_func != 0)
{
window->dpi = (F32)w32_GetDpiForWindow_func(hwnd);
}
else{
else
{
window->dpi = 96.f;
}
}
src/os/gfx/win32/os_gfx_win32.h
+2 -1
View File
@@ -84,7 +84,8 @@ struct OS_W32_GfxState
global OS_W32_GfxState *os_w32_gfx_state = 0;
global OS_EventList os_w32_event_list = {0};
global Arena *os_w32_event_arena = 0;
B32 os_w32_resizing = 0;
global B32 os_w32_resizing = 0;
global B32 os_w32_new_window_custom_border = 0;
////////////////////////////////
//~ rjf: Basic Helpers