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Mostly fix editor GUIs drifting in negative coords

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I think some rounding in Wine is causing this issue, but then again
we're not supposed to send these ConfigureNotify events to the window
directly anyways.
This commit is contained in:
Robbert van der Helm
2020-12-26 16:30:25 +01:00
parent 47177ed889
commit db2cc5800a
3 changed files with 48 additions and 4 deletions
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src/wine-host/editor.cpp
+32 -4
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@@ -376,16 +376,44 @@ void Editor::fix_local_coordinates() const {
translated_event.response_type = XCB_CONFIGURE_NOTIFY;
translated_event.event = wine_window;
translated_event.window = wine_window;
// This should be set to the same sizes the window was created on. Since
// we're not using `SetWindowPos` to resize the Window, Wine can get a bit
// confused when we suddenly report a different client area size. Without
// this certain plugins (such as those by Valhalla DSP) would break.
// This should be set to the same sizes the window was created on. Wine can
// get a bit confused when we suddenly report a different client area size.
// Without this certain plugins (such as those by Valhalla DSP) would break.
translated_event.width = client_area.width;
translated_event.height = client_area.height;
translated_event.x = translated_coordinates->dst_x;
translated_event.y = translated_coordinates->dst_y;
free(translated_coordinates);
// When the window gets dragged off to the left or top corner of the screen
// a lot of plugin's GUIs start to drift off in the wrong direction when we
// send these negative coordinates in a ConfigureNotify event. To somewhat
// work around this, we'll move the Wine window to offset these changes.
// Since this could in theory cause other weird behaviour, we'll only undo
// these changes (by moving the window back to `(0, 0)`) once.
int correction_x = 0;
int correction_y = 0;
if (translated_event.x < 0) {
correction_x = -translated_event.x;
}
if (translated_event.y < 0) {
correction_y = -translated_event.y;
}
if (correction_x != 0 || correction_y != 0) {
SetWindowPos(
get_win32_handle(), nullptr, correction_x, correction_y, 0, 0,
SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOSIZE | SWP_NOZORDER);
has_negative_coordinate_correction = true;
} else if (has_negative_coordinate_correction.compare_exchange_strong(
const_cast<bool&>(static_cast<const bool&>(true)), false)) {
// Undo this only once, since who knows what side effects this might
// cause
SetWindowPos(
get_win32_handle(), nullptr, 0, 0, 0, 0,
SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOSIZE | SWP_NOZORDER);
}
xcb_send_event(
x11_connection.get(), false, wine_window,
XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY,