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Merge pull request '[win32] Use wheel scroll lines system setting to determine how much to scroll' (#7) from ilidemi/milepost:win32-scroll-lines into main 

Reviewed-on: MartinFouilleul/milepost#7
This commit is contained in:
MartinFouilleul 2023-08-09 08:22:45 +00:00
parent d01dc832fb 60083c1f2e
commit b6462ca5f8
2 changed files with 26 additions and 8 deletions
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21
src/win32_app.c
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@ -163,6 +163,10 @@ void mp_init()
SetConsoleMode(GetStdHandle(STD_OUTPUT_HANDLE), mode);
SetProcessDpiAwarenessContext(DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2);
u32 wheelScrollLines = 3;
SystemParametersInfo(SPI_GETWHEELSCROLLLINES, 0, &wheelScrollLines, 0);
__mpApp.win32.wheelScrollLines = wheelScrollLines;
}
}
@ -241,8 +245,10 @@ static void process_wheel_event(mp_window_data* window, f32 x, f32 y)
mp_event event = {0};
event.window = mp_window_handle_from_ptr(window);
event.type = MP_EVENT_MOUSE_WHEEL;
event.mouse.deltaX = x/30.0f;
event.mouse.deltaY = -y/30.0f;
// Borrowed from https://source.chromium.org/chromium/chromium/src/+/3e1a26c44c024d97dc9a4c09bbc6a2365398ca2c:ui/events/blink/web_input_event_builders_win.cc;l=318-330
f32 scrollMultiplier = __mpApp.win32.wheelScrollLines * 100.0 / 3.0;
event.mouse.deltaX = x / WHEEL_DELTA * scrollMultiplier;
event.mouse.deltaY = -y / WHEEL_DELTA * scrollMultiplier;
event.mouse.mods = mp_get_mod_keys();
mp_queue_event(&event);
@ -500,6 +506,17 @@ LRESULT WinProc(HWND windowHandle, UINT message, WPARAM wParam, LPARAM lParam)
}
} break;
case WM_SETTINGCHANGE:
{
if((u32)wParam == SPI_SETWHEELSCROLLLINES)
{
u32 wheelScrollLines;
if(SystemParametersInfo(SPI_GETWHEELSCROLLLINES, 0, &wheelScrollLines, 0) != 0) {
__mpApp.win32.wheelScrollLines = wheelScrollLines;
}
}
} break;
case WM_DROPFILES:
{
//TODO

1
src/win32_app.h
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@ -40,6 +40,7 @@ typedef struct win32_app_data
int mouseCaptureMask;
bool mouseTracked;
vec2 lastMousePos;
u32 wheelScrollLines;
} win32_app_data;