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[gtk3/wayland] Infer resizable edges for tiled windows if possible.

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This fixes https://bugzilla.mozilla.org/show_bug.cgi?id=1871627

All GTK3/4 apps on non-GNOME desktops aren't resizable if they are
tiled.

This patch makes the non-tiled edges resizable if we have per-edge
tiling, but not per-edge resizing information.

We might want to make all edges resizable, but that might not be fine
for tiling compositors.
This commit is contained in:
Emilio Cobos Álvarez
2024-01-12 19:43:20 +01:00
parent 8440752196
commit 9020a6f71e
1 changed files with 46 additions and 0 deletions
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46
gdk/wayland/gdkwindow-wayland.c
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@ -1664,6 +1664,49 @@ should_use_fixed_size (GdkWindowState state)
GDK_WINDOW_STATE_TILED);
}
static gboolean
has_per_edge_tiling_info (GdkWindowState state)
{
return state & (GDK_WINDOW_STATE_TOP_TILED |
GDK_WINDOW_STATE_RIGHT_TILED |
GDK_WINDOW_STATE_BOTTOM_TILED |
GDK_WINDOW_STATE_LEFT_TILED);
}
static GdkWindowState
infer_edge_constraints (GdkWindowState state)
{
if (state & (GDK_WINDOW_STATE_MAXIMIZED | GDK_WINDOW_STATE_FULLSCREEN))
return state;
if (!(state & GDK_WINDOW_STATE_TILED) || !has_per_edge_tiling_info (state))
return state |
GDK_WINDOW_STATE_TOP_RESIZABLE |
GDK_WINDOW_STATE_RIGHT_RESIZABLE |
GDK_WINDOW_STATE_BOTTOM_RESIZABLE |
GDK_WINDOW_STATE_LEFT_RESIZABLE;
if (!(state & GDK_WINDOW_STATE_TOP_TILED))
state |= GDK_WINDOW_STATE_TOP_RESIZABLE;
if (!(state & GDK_WINDOW_STATE_RIGHT_TILED))
state |= GDK_WINDOW_STATE_RIGHT_RESIZABLE;
if (!(state & GDK_WINDOW_STATE_BOTTOM_TILED))
state |= GDK_WINDOW_STATE_BOTTOM_RESIZABLE;
if (!(state & GDK_WINDOW_STATE_LEFT_TILED))
state |= GDK_WINDOW_STATE_LEFT_RESIZABLE;
return state;
}
static gboolean
supports_native_edge_constraints (GdkWindowImplWayland *impl)
{
struct gtk_surface1 *gtk_surface = impl->display_server.gtk_surface;
if (!gtk_surface)
return FALSE;
return gtk_surface1_get_version (gtk_surface) >= GTK_SURFACE1_CONFIGURE_EDGES_SINCE_VERSION;
}
static void
gdk_wayland_window_handle_configure (GdkWindow *window,
uint32_t serial)
@ -1712,6 +1755,9 @@ gdk_wayland_window_handle_configure (GdkWindow *window,
new_state = impl->pending.state;
impl->pending.state = 0;
if (!supports_native_edge_constraints (impl))
new_state = infer_edge_constraints (new_state);
fixed_size = should_use_fixed_size (new_state);
saved_size = (width == 0 && height == 0);