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line-visualizer-row: ignore css border

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If a border is specified in CSS, we do not want to draw on
that. Make sure we adjust our allocation to take that into
account.
This commit is contained in:
Christian Hergert
2016-09-27 15:40:46 -07:00
parent 1dcb41f623
commit c24306349f
1 changed files with 34 additions and 0 deletions
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34
lib/sp-line-visualizer-row.c
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@ -214,6 +214,38 @@ sp_line_visualizer_row_begin_offscreen_draw (SpLineVisualizerRow *self)
NULL);
}
static inline void
subtract_border (GtkAllocation *alloc,
GtkBorder *border)
{
#if 0
g_print ("Border; %d %d %d %d\n", border->top, border->left, border->bottom, border->right);
#endif
alloc->x += border->left;
alloc->y += border->top;
alloc->width -= border->left + border->right;
alloc->height -= border->top + border->bottom;
}
static void
adjust_alloc_for_borders (SpLineVisualizerRow *self,
GtkAllocation *alloc)
{
GtkStyleContext *style_context;
GtkBorder border;
GtkStateFlags state;
g_assert (SP_IS_LINE_VISUALIZER_ROW (self));
g_assert (alloc != NULL);
state = gtk_widget_get_state_flags (GTK_WIDGET (self));
style_context = gtk_widget_get_style_context (GTK_WIDGET (self));
gtk_style_context_get_border (style_context, state, &border);
subtract_border (alloc, &border);
}
static gboolean
sp_line_visualizer_row_draw (GtkWidget *widget,
cairo_t *cr)
@ -227,6 +259,7 @@ sp_line_visualizer_row_draw (GtkWidget *widget,
g_assert (cr != NULL);
gtk_widget_get_allocation (widget, &alloc);
adjust_alloc_for_borders (self, &alloc);
ret = GTK_WIDGET_CLASS (sp_line_visualizer_row_parent_class)->draw (widget, cr);
@ -869,6 +902,7 @@ sp_line_visualizer_row_render_async (SpLineVisualizerRow *self,
g_assert (!cancellable || G_IS_CANCELLABLE (cancellable));
gtk_widget_get_allocation (GTK_WIDGET (self), &alloc);
adjust_alloc_for_borders (self, &alloc);
task = g_task_new (self, cancellable, callback, user_data);
g_task_set_source_tag (task, sp_line_visualizer_row_render_async);