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color scale: Improve themability

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Add the .color class, so themes can style scale.color.
Clip the trough rendering to the content path, so that
themes can set rounded corners.
This commit is contained in:
Matthias Clasen 2016-01-15 20:08:57 -05:00
parent a0d91a3a71
commit e7fc87e4ac
1 changed files with 10 additions and 1 deletions
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11
gtk/gtkcolorscale.c
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@ -27,6 +27,7 @@
#include "gtkaccessible.h"
#include "gtkprivate.h"
#include "gtkintl.h"
#include "gtkrenderprivate.h"
#include <math.h>
@ -216,6 +217,7 @@ scale_draw (GtkWidget *widget,
GtkColorScale *scale = GTK_COLOR_SCALE (widget);
gint width, height, x_offset, y_offset;
cairo_pattern_t *pattern;
GtkStyleContext *context;
create_surface (scale);
gtk_color_scale_get_trough_size (scale,
@ -224,7 +226,9 @@ scale_draw (GtkWidget *widget,
cairo_save (cr);
cairo_translate (cr, x_offset, y_offset);
cairo_rectangle (cr, 0, 0, width, height);
context = gtk_widget_get_style_context (widget);
gtk_render_content_path (context, cr, 0, 0, width, height);
pattern = cairo_pattern_create_for_surface (scale->priv->surface);
if (gtk_orientable_get_orientation (GTK_ORIENTABLE (widget)) == GTK_ORIENTATION_HORIZONTAL &&
@ -251,6 +255,8 @@ scale_draw (GtkWidget *widget,
static void
gtk_color_scale_init (GtkColorScale *scale)
{
GtkStyleContext *context;
scale->priv = gtk_color_scale_get_instance_private (scale);
gtk_widget_add_events (GTK_WIDGET (scale), GDK_TOUCH_MASK);
@ -260,6 +266,9 @@ gtk_color_scale_init (GtkColorScale *scale)
G_CALLBACK (hold_action), scale);
gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (scale->priv->long_press_gesture),
GTK_PHASE_TARGET);
context = gtk_widget_get_style_context (GTK_WIDGET (scale));
gtk_style_context_add_class (context, "color");
}
static void