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gtk: Persist panel state

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Creating and destroying the panel as needed causes a resource leak somewhere in the deeper layers of the stack. This is a workaround.

See https://gitlab.gnome.org/World/Phosh/squeekboard/-/issues/343
This commit is contained in:
Dorota Czaplejewicz
2022-07-01 08:07:25 +00:00
parent 50ef4ab433
commit 70bf101812
2 changed files with 36 additions and 41 deletions
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17
src/panel.c
View File

@ -9,13 +9,8 @@ void
panel_manager_hide(struct panel_manager *self) panel_manager_hide(struct panel_manager *self)
{ {
if (self->window) { if (self->window) {
gtk_widget_destroy (GTK_WIDGET (self->window)); gtk_widget_hide (GTK_WIDGET (self->window));
} }
if (self->widget) {
gtk_widget_destroy (GTK_WIDGET (self->widget));
}
self->window = NULL;
self->widget = NULL;
} }
static void static void
@ -65,10 +60,7 @@ make_widget (struct panel_manager *self)
void void
panel_manager_request_widget (struct panel_manager *self, struct wl_output *output, uint32_t height, struct squeek_panel_manager *mgr) panel_manager_request_widget (struct panel_manager *self, struct wl_output *output, uint32_t height, struct squeek_panel_manager *mgr)
{ {
if (self->window) { if (!self->window) {
g_error("Window already present");
}
self->window = g_object_new ( self->window = g_object_new (
PHOSH_TYPE_LAYER_SURFACE, PHOSH_TYPE_LAYER_SURFACE,
"layer-shell", squeek_wayland->layer_shell, "layer-shell", squeek_wayland->layer_shell,
@ -83,12 +75,10 @@ panel_manager_request_widget (struct panel_manager *self, struct wl_output *outp
"namespace", "osk", "namespace", "osk",
NULL NULL
); );
g_object_connect (self->window, g_object_connect (self->window,
"swapped-signal::destroy", G_CALLBACK(on_destroy), self, "swapped-signal::destroy", G_CALLBACK(on_destroy), self,
"swapped-signal::configured", G_CALLBACK(on_surface_configure), mgr, "swapped-signal::configured", G_CALLBACK(on_surface_configure), mgr,
NULL); NULL);
// The properties below are just to make hacking easier. // The properties below are just to make hacking easier.
// The way we use layer-shell overrides some, // The way we use layer-shell overrides some,
// and there's no space in the protocol for others. // and there's no space in the protocol for others.
@ -99,8 +89,11 @@ panel_manager_request_widget (struct panel_manager *self, struct wl_output *outp
gtk_window_set_title (GTK_WINDOW(self->window), "Squeekboard"); gtk_window_set_title (GTK_WINDOW(self->window), "Squeekboard");
gtk_window_set_icon_name (GTK_WINDOW(self->window), "squeekboard"); gtk_window_set_icon_name (GTK_WINDOW(self->window), "squeekboard");
gtk_window_set_keep_above (GTK_WINDOW(self->window), TRUE); gtk_window_set_keep_above (GTK_WINDOW(self->window), TRUE);
}
if (!self->widget) {
make_widget(self); make_widget(self);
}
gtk_widget_show (GTK_WIDGET(self->window)); gtk_widget_show (GTK_WIDGET(self->window));
} }

4
src/panel.h
View File

@ -13,8 +13,10 @@ struct panel_manager {
struct squeek_popover *popover; // shared reference struct squeek_popover *popover; // shared reference
struct submission *submission; // unowned struct submission *submission; // unowned
// both memoized - doesn't have to be, but bugs happen:
// https://gitlab.gnome.org/World/Phosh/squeekboard/-/issues/343
PhoshLayerSurface *window; PhoshLayerSurface *window;
GtkWidget *widget; // nullable GtkWidget *widget;
// Those should be held in Rust // Those should be held in Rust
struct wl_output *current_output; struct wl_output *current_output;