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|
From d5c9b3a4149fdeb40ac8377ba0867b447eb0f5aa Mon Sep 17 00:00:00 2001
From: Colin Walters <walters@verbum.org>
Date: Thu, 8 Jul 2010 17:58:40 -0400
Subject: [PATCH] New tooltip style
---
gtk/gtktooltip.c | 261 +++++++++++++++++++++++++++++++++++++++++++++++++++---
gtk/gtkwidget.c | 8 ++
2 files changed, 258 insertions(+), 11 deletions(-)
diff --git a/gtk/gtktooltip.c b/gtk/gtktooltip.c
index 67c2f6c..75fd6a7 100644
--- a/gtk/gtktooltip.c
+++ b/gtk/gtktooltip.c
@@ -33,6 +33,10 @@
#include "gtkhbox.h"
#include "gtkalignment.h"
+#ifdef GDK_WINDOWING_X11
+#include "gdk/x11/gdkx.h"
+#endif
+
#include "gtkalias.h"
#undef DEBUG_TOOLTIP
@@ -97,6 +101,7 @@ static void gtk_tooltip_display_closed (GdkDisplay *display,
GtkTooltip *tooltip);
static void gtk_tooltip_set_last_window (GtkTooltip *tooltip,
GdkWindow *window);
+static void update_shape (GtkTooltip *tooltip);
G_DEFINE_TYPE (GtkTooltip, gtk_tooltip, G_TYPE_OBJECT);
@@ -112,8 +117,43 @@ gtk_tooltip_class_init (GtkTooltipClass *klass)
}
static void
+on_composited_changed (GtkWidget *window,
+ GtkTooltip *tooltip)
+{
+ update_shape (tooltip);
+}
+
+static void
+on_screen_changed (GtkWidget *window,
+ GdkScreen *previous,
+ GtkTooltip *tooltip)
+{
+ GdkScreen *screen;
+ GdkColormap *cmap;
+
+ screen = gtk_widget_get_screen (window);
+
+ cmap = NULL;
+ if (gdk_screen_is_composited (screen))
+ cmap = gdk_screen_get_rgba_colormap (screen);
+ if (cmap == NULL)
+ cmap = gdk_screen_get_rgb_colormap (screen);
+
+ gtk_widget_set_colormap (window, cmap);
+}
+
+static void
+on_realized (GtkWidget *window,
+ GtkTooltip *tooltip)
+{
+ update_shape (tooltip);
+}
+
+static void
gtk_tooltip_init (GtkTooltip *tooltip)
{
+ GdkScreen *screen;
+
tooltip->timeout_id = 0;
tooltip->browse_mode_timeout_id = 0;
@@ -129,8 +169,12 @@ gtk_tooltip_init (GtkTooltip *tooltip)
tooltip->last_window = NULL;
tooltip->window = g_object_ref (gtk_window_new (GTK_WINDOW_POPUP));
+
+ on_screen_changed (tooltip->window, NULL, tooltip);
+
gtk_window_set_type_hint (GTK_WINDOW (tooltip->window),
GDK_WINDOW_TYPE_HINT_TOOLTIP);
+
gtk_widget_set_app_paintable (tooltip->window, TRUE);
gtk_window_set_resizable (GTK_WINDOW (tooltip->window), FALSE);
gtk_widget_set_name (tooltip->window, "gtk-tooltip");
@@ -147,7 +191,7 @@ gtk_tooltip_init (GtkTooltip *tooltip)
gtk_widget_show (tooltip->alignment);
g_signal_connect_swapped (tooltip->window, "style-set",
- G_CALLBACK (gtk_tooltip_window_style_set), tooltip);
+ G_CALLBACK (gtk_tooltip_window_style_set), tooltip);
g_signal_connect_swapped (tooltip->window, "expose-event",
G_CALLBACK (gtk_tooltip_paint_window), tooltip);
@@ -164,6 +208,13 @@ gtk_tooltip_init (GtkTooltip *tooltip)
gtk_box_pack_start (GTK_BOX (tooltip->box), tooltip->label,
FALSE, FALSE, 0);
+ g_signal_connect (tooltip->window, "composited-changed",
+ G_CALLBACK (on_composited_changed), tooltip);
+ g_signal_connect (tooltip->window, "screen-changed",
+ G_CALLBACK (on_screen_changed), tooltip);
+ g_signal_connect (tooltip->window, "realize",
+ G_CALLBACK (on_realized), tooltip);
+
tooltip->custom_widget = NULL;
}
@@ -510,19 +561,207 @@ gtk_tooltip_window_style_set (GtkTooltip *tooltip)
gtk_widget_queue_draw (tooltip->window);
}
+static void
+draw_round_rect (cairo_t *cr,
+ gdouble aspect,
+ gdouble x,
+ gdouble y,
+ gdouble corner_radius,
+ gdouble width,
+ gdouble height)
+{
+ gdouble radius = corner_radius / aspect;
+
+ cairo_move_to (cr, x + radius, y);
+
+ /* top-right, left of the corner */
+ cairo_line_to (cr, x + width - radius, y);
+
+ /* top-right, below the corner */
+ cairo_arc (cr,
+ x + width - radius, y + radius, radius,
+ -90.0f * G_PI / 180.0f, 0.0f * G_PI / 180.0f);
+
+ /* bottom-right, above the corner */
+ cairo_line_to (cr, x + width, y + height - radius);
+
+ /* bottom-right, left of the corner */
+ cairo_arc (cr,
+ x + width - radius, y + height - radius, radius,
+ 0.0f * G_PI / 180.0f, 90.0f * G_PI / 180.0f);
+
+ /* bottom-left, right of the corner */
+ cairo_line_to (cr, x + radius, y + height);
+
+ /* bottom-left, above the corner */
+ cairo_arc (cr,
+ x + radius, y + height - radius, radius,
+ 90.0f * G_PI / 180.0f, 180.0f * G_PI / 180.0f);
+
+ /* top-left, below the corner */
+ cairo_line_to (cr, x, y + radius);
+
+ /* top-left, right of the corner */
+ cairo_arc (cr,
+ x + radius, y + radius, radius,
+ 180.0f * G_PI / 180.0f, 270.0f * G_PI / 180.0f);
+
+ cairo_close_path (cr);
+}
+
+static void
+fill_background (GtkWidget *widget,
+ cairo_t *cr)
+{
+ GdkColor color;
+ gdouble r, g, b;
+ gint radius;
+ gdouble background_alpha;
+
+ if (gdk_screen_is_composited (gtk_widget_get_screen (widget)))
+ background_alpha = 0.90;
+ else
+ background_alpha = 1.0;
+
+ radius = MIN (widget->style->xthickness, widget->style->ythickness);
+ radius = MAX (radius, 1);
+
+ cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR);
+ cairo_paint (cr);
+ cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
+
+ draw_round_rect (cr,
+ 1.0, 0.5, 0.5, radius,
+ widget->allocation.width - 1,
+ widget->allocation.height - 1);
+
+ color = widget->style->bg [GTK_STATE_NORMAL];
+ r = (float)color.red / 65535.0;
+ g = (float)color.green / 65535.0;
+ b = (float)color.blue / 65535.0;
+ cairo_set_source_rgba (cr, r, g, b, background_alpha);
+ cairo_fill_preserve (cr);
+
+ color = widget->style->bg [GTK_STATE_SELECTED];
+ r = (float) color.red / 65535.0;
+ g = (float) color.green / 65535.0;
+ b = (float) color.blue / 65535.0;
+
+ cairo_set_source_rgba (cr, r, g, b, background_alpha);
+ cairo_set_line_width (cr, 1.0);
+ cairo_stroke (cr);
+}
+
+static void
+update_shape (GtkTooltip *tooltip)
+{
+ GdkScreen *screen;
+ GdkBitmap *mask;
+ cairo_t *cr;
+ gint width, height;
+ gboolean new_style;
+ gint radius;
+
+ gtk_widget_style_get (tooltip->window, "new-tooltip-style", &new_style, NULL);
+
+ if (!new_style)
+ {
+ gtk_widget_shape_combine_mask (tooltip->window, NULL, 0, 0);
+ return;
+ }
+
+ screen = gtk_widget_get_screen (tooltip->window);
+
+ gtk_window_get_size (GTK_WINDOW (tooltip->window), &width, &height);
+
+ if (gdk_screen_is_composited (screen))
+ {
+ GdkRectangle rect;
+ const char *wm;
+
+ gtk_widget_shape_combine_mask (tooltip->window, NULL, 0, 0);
+#ifdef GDK_WINDOWING_X11
+ /* This is a hack to keep the Metacity compositor from slapping a
+ * non-shaped shadow around the shaped tooltip
+ */
+ if (!gtk_widget_get_mapped (tooltip->window))
+ {
+ wm = gdk_x11_screen_get_window_manager_name (screen);
+ if (g_strcmp0 (wm, "Metacity") == 0)
+ gtk_window_set_type_hint (GTK_WINDOW (tooltip->window),
+ GDK_WINDOW_TYPE_HINT_DND);
+ }
+#endif
+ return;
+ }
+
+ radius = MIN (tooltip->window->style->xthickness,
+ tooltip->window->style->ythickness);
+ radius = MAX (radius, 1);
+ mask = (GdkBitmap *) gdk_pixmap_new (NULL, width, height, 1);
+ cr = gdk_cairo_create (mask);
+ if (cairo_status (cr) == CAIRO_STATUS_SUCCESS)
+ {
+ cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR);
+ cairo_paint (cr);
+
+ cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
+ cairo_set_source_rgb (cr, 1.0, 1.0, 1.0);
+ draw_round_rect (cr, 1.0, 0, 0, radius + 1, width, height);
+ cairo_fill (cr);
+
+ gtk_widget_shape_combine_mask (tooltip->window, mask, 0, 0);
+ }
+ cairo_destroy (cr);
+
+ g_object_unref (mask);
+}
+
static gboolean
gtk_tooltip_paint_window (GtkTooltip *tooltip)
{
- gtk_paint_flat_box (tooltip->window->style,
- tooltip->window->window,
- GTK_STATE_NORMAL,
- GTK_SHADOW_OUT,
- NULL,
- tooltip->window,
- "tooltip",
- 0, 0,
- tooltip->window->allocation.width,
- tooltip->window->allocation.height);
+ gboolean new_style;
+
+ gtk_widget_style_get (tooltip->window, "new-tooltip-style", &new_style, NULL);
+
+ if (new_style)
+ {
+ cairo_t *context;
+ cairo_surface_t *surface;
+ cairo_t *cr;
+
+ context = gdk_cairo_create (tooltip->window->window);
+
+ cairo_set_operator (context, CAIRO_OPERATOR_SOURCE);
+ surface = cairo_surface_create_similar (cairo_get_target (context),
+ CAIRO_CONTENT_COLOR_ALPHA,
+ tooltip->window->allocation.width,
+ tooltip->window->allocation.height);
+ cr = cairo_create (surface);
+
+ fill_background (tooltip->window, cr);
+
+ cairo_destroy (cr);
+ cairo_set_source_surface (context, surface, 0, 0);
+ cairo_paint (context);
+ cairo_surface_destroy (surface);
+ cairo_destroy (context);
+
+ update_shape (tooltip);
+ }
+ else
+ {
+ gtk_paint_flat_box (tooltip->window->style,
+ tooltip->window->window,
+ GTK_STATE_NORMAL,
+ GTK_SHADOW_OUT,
+ NULL,
+ tooltip->window,
+ "tooltip",
+ 0, 0,
+ tooltip->window->allocation.width,
+ tooltip->window->allocation.height);
+ }
return FALSE;
}
diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index d302589..0f71849 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -2608,6 +2608,14 @@ gtk_widget_class_init (GtkWidgetClass *klass)
P_("The length of vertical scroll arrows"),
1, G_MAXINT, 16,
GTK_PARAM_READABLE));
+
+ gtk_widget_class_install_style_property (klass,
+ g_param_spec_boolean ("new-tooltip-style",
+ NULL,
+ NULL,
+ FALSE,
+ GTK_PARAM_READABLE));
+
}
static void
--
1.7.1.1
|
