forked from AuroraMiddleware/gtk
107 lines
2.6 KiB
C
107 lines
2.6 KiB
C
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#include "config.h"
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#include "baselineoverlay.h"
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#include "gtkwidgetprivate.h"
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#include "gtkcssstyleprivate.h"
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#include "gtkcssnodeprivate.h"
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#include "gtkcssnumbervalueprivate.h"
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#include "gtkcssboxesprivate.h"
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struct _GtkBaselineOverlay
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{
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GtkInspectorOverlay parent_instance;
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};
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struct _GtkBaselineOverlayClass
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{
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GtkInspectorOverlayClass parent_class;
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};
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G_DEFINE_TYPE (GtkBaselineOverlay, gtk_baseline_overlay, GTK_TYPE_INSPECTOR_OVERLAY)
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static void
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recurse_child_widgets (GtkWidget *widget,
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GtkSnapshot *snapshot)
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{
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int baseline;
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GtkWidget *child;
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GtkCssBoxes boxes;
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if (!gtk_widget_get_mapped (widget))
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return;
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if (gtk_widget_get_overflow (widget) == GTK_OVERFLOW_HIDDEN)
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{
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gtk_css_boxes_init (&boxes, widget);
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gtk_snapshot_push_rounded_clip (snapshot, gtk_css_boxes_get_padding_box (&boxes));
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}
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baseline = gtk_widget_get_allocated_baseline (widget);
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if (baseline != -1)
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{
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GdkRGBA red = {1, 0, 0, 1};
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graphene_rect_t bounds;
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int width;
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width = gtk_widget_get_width (widget);
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/* Now do all the stuff */
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gtk_snapshot_push_debug (snapshot, "Widget baseline debugging");
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graphene_rect_init (&bounds,
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0, baseline,
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width, 1);
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gtk_snapshot_append_color (snapshot, &red, &bounds);
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gtk_snapshot_pop (snapshot);
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}
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/* Recurse into child widgets */
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for (child = gtk_widget_get_first_child (widget);
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child != NULL;
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child = gtk_widget_get_next_sibling (child))
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{
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graphene_matrix_t matrix;
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if (gtk_widget_compute_transform (child, widget, &matrix))
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{
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gtk_snapshot_save (snapshot);
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gtk_snapshot_transform_matrix (snapshot, &matrix);
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recurse_child_widgets (child, snapshot);
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gtk_snapshot_restore (snapshot);
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}
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}
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if (gtk_widget_get_overflow (widget) == GTK_OVERFLOW_HIDDEN)
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gtk_snapshot_pop (snapshot);
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}
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static void
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gtk_baseline_overlay_snapshot (GtkInspectorOverlay *overlay,
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GtkSnapshot *snapshot,
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GskRenderNode *node,
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GtkWidget *widget)
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{
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recurse_child_widgets (widget, snapshot);
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}
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static void
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gtk_baseline_overlay_init (GtkBaselineOverlay *self)
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{
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}
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static void
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gtk_baseline_overlay_class_init (GtkBaselineOverlayClass *klass)
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{
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GtkInspectorOverlayClass *overlay_class = (GtkInspectorOverlayClass *)klass;
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overlay_class->snapshot = gtk_baseline_overlay_snapshot;
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}
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GtkInspectorOverlay *
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gtk_baseline_overlay_new (void)
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{
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return g_object_new (GTK_TYPE_BASELINE_OVERLAY, NULL);
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}
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