diff options
Diffstat (limited to 'src/ld-window-main.c')
| -rw-r--r-- | src/ld-window-main.c | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/src/ld-window-main.c b/src/ld-window-main.c index 05a2284..16c223c 100644 --- a/src/ld-window-main.c +++ b/src/ld-window-main.c @@ -60,6 +60,7 @@ struct _SymbolMenuData { gulong expose_handler; gulong motion_notify_handler; + gulong button_press_handler; gulong button_release_handler; GtkToggleButton *active_button; @@ -118,6 +119,8 @@ static gboolean on_canvas_exposed (GtkWidget *widget, GdkEventExpose *event, gpointer user_data); static gboolean on_canvas_motion_notify (GtkWidget *widget, GdkEventMotion *event, gpointer user_data); +static gboolean on_canvas_button_press (GtkWidget *widget, + GdkEventButton *event, gpointer user_data); static gboolean on_canvas_button_release (GtkWidget *widget, GdkEventButton *event, gpointer user_data); @@ -316,6 +319,8 @@ ld_window_main_init (LdWindowMain *self) "expose-event", G_CALLBACK (on_canvas_exposed), self); priv->symbol_menu.motion_notify_handler = g_signal_connect (priv->canvas, "motion-notify-event", G_CALLBACK (on_canvas_motion_notify), self); + priv->symbol_menu.button_press_handler = g_signal_connect (priv->canvas, + "button-press-event", G_CALLBACK (on_canvas_button_press), self); priv->symbol_menu.button_release_handler = g_signal_connect (priv->canvas, "button-release-event", G_CALLBACK (on_canvas_button_release), self); @@ -325,6 +330,8 @@ ld_window_main_init (LdWindowMain *self) g_signal_handler_block (priv->canvas, priv->symbol_menu.motion_notify_handler); g_signal_handler_block (priv->canvas, + priv->symbol_menu.button_press_handler); + g_signal_handler_block (priv->canvas, priv->symbol_menu.button_release_handler); /* Initialize the backend. */ @@ -552,6 +559,8 @@ on_category_toggle (GtkToggleButton *toggle_button, gpointer user_data) g_signal_handler_block (priv->canvas, priv->symbol_menu.motion_notify_handler); g_signal_handler_block (priv->canvas, + priv->symbol_menu.button_press_handler); + g_signal_handler_block (priv->canvas, priv->symbol_menu.button_release_handler); g_object_unref (data->active_button); @@ -563,6 +572,8 @@ on_category_toggle (GtkToggleButton *toggle_button, gpointer user_data) g_free (data->items); data->items = NULL; + + gtk_grab_remove (GTK_WIDGET (self->priv->canvas)); } else { @@ -581,6 +592,8 @@ on_category_toggle (GtkToggleButton *toggle_button, gpointer user_data) g_signal_handler_unblock (priv->canvas, priv->symbol_menu.motion_notify_handler); g_signal_handler_unblock (priv->canvas, + priv->symbol_menu.button_press_handler); + g_signal_handler_unblock (priv->canvas, priv->symbol_menu.button_release_handler); data->active_button = toggle_button; @@ -616,6 +629,8 @@ on_category_toggle (GtkToggleButton *toggle_button, gpointer user_data) menu_width += item++->width; } data->menu_width = menu_width; + + gtk_grab_add (GTK_WIDGET (self->priv->canvas)); } redraw_symbol_menu (self); } @@ -687,7 +702,8 @@ on_canvas_motion_notify (GtkWidget *widget, GdkEventMotion *event, self = LD_WINDOW_MAIN (user_data); data = &self->priv->symbol_menu; - if (event->x < 0 || event->y < data->menu_y + if (widget->window != event->window + || event->x < 0 || event->y < data->menu_y || event->y >= data->menu_y + data->menu_height) { data->active_item = -1; @@ -712,6 +728,27 @@ on_canvas_motion_notify (GtkWidget *widget, GdkEventMotion *event, } static gboolean +on_canvas_button_press (GtkWidget *widget, GdkEventButton *event, + gpointer user_data) +{ + LdWindowMain *self; + SymbolMenuData *data; + + self = LD_WINDOW_MAIN (user_data); + data = &self->priv->symbol_menu; + + /* The event occured elsewhere, cancel the menu and put the event + * back into the queue. + */ + if (widget->window != event->window && data->active_button) + { + gtk_toggle_button_set_active (data->active_button, FALSE); + gdk_event_put ((GdkEvent *) event); + } + return FALSE; +} + +static gboolean on_canvas_button_release (GtkWidget *widget, GdkEventButton *event, gpointer user_data) { |