summaryrefslogtreecommitdiffstats
path: root/app/widgets/gimpcellrendererdashes.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 03:13:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 03:13:10 +0000
commit3c57dd931145d43f2b0aef96c4d178135956bf91 (patch)
tree3de698981e9f0cc2c4f9569b19a5f3595e741f6b /app/widgets/gimpcellrendererdashes.c
parentInitial commit. (diff)
downloadgimp-3c57dd931145d43f2b0aef96c4d178135956bf91.tar.xz
gimp-3c57dd931145d43f2b0aef96c4d178135956bf91.zip
Adding upstream version 2.10.36.upstream/2.10.36
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'app/widgets/gimpcellrendererdashes.c')
-rw-r--r--app/widgets/gimpcellrendererdashes.c262
1 files changed, 262 insertions, 0 deletions
diff --git a/app/widgets/gimpcellrendererdashes.c b/app/widgets/gimpcellrendererdashes.c
new file mode 100644
index 0000000..cf6b71a
--- /dev/null
+++ b/app/widgets/gimpcellrendererdashes.c
@@ -0,0 +1,262 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpcellrendererdashes.c
+ * Copyright (C) 2005 Sven Neumann <sven@gimp.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <gtk/gtk.h>
+
+#include "widgets-types.h"
+
+#include "core/gimpdashpattern.h"
+
+#include "gimpcellrendererdashes.h"
+
+
+#define DASHES_WIDTH 96
+#define DASHES_HEIGHT 4
+
+#define N_SEGMENTS 24
+#define BLOCK_WIDTH (DASHES_WIDTH / (2 * N_SEGMENTS))
+
+
+enum
+{
+ PROP_0,
+ PROP_PATTERN
+};
+
+
+static void gimp_cell_renderer_dashes_finalize (GObject *object);
+static void gimp_cell_renderer_dashes_get_property (GObject *object,
+ guint param_id,
+ GValue *value,
+ GParamSpec *pspec);
+static void gimp_cell_renderer_dashes_set_property (GObject *object,
+ guint param_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gimp_cell_renderer_dashes_get_size (GtkCellRenderer *cell,
+ GtkWidget *widget,
+ GdkRectangle *rectangle,
+ gint *x_offset,
+ gint *y_offset,
+ gint *width,
+ gint *height);
+static void gimp_cell_renderer_dashes_render (GtkCellRenderer *cell,
+ GdkWindow *window,
+ GtkWidget *widget,
+ GdkRectangle *background_area,
+ GdkRectangle *cell_area,
+ GdkRectangle *expose_area,
+ GtkCellRendererState flags);
+
+
+G_DEFINE_TYPE (GimpCellRendererDashes, gimp_cell_renderer_dashes,
+ GTK_TYPE_CELL_RENDERER)
+
+#define parent_class gimp_cell_renderer_dashes_parent_class
+
+
+static void
+gimp_cell_renderer_dashes_class_init (GimpCellRendererDashesClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (klass);
+
+ object_class->finalize = gimp_cell_renderer_dashes_finalize;
+ object_class->get_property = gimp_cell_renderer_dashes_get_property;
+ object_class->set_property = gimp_cell_renderer_dashes_set_property;
+
+ cell_class->get_size = gimp_cell_renderer_dashes_get_size;
+ cell_class->render = gimp_cell_renderer_dashes_render;
+
+ g_object_class_install_property (object_class, PROP_PATTERN,
+ g_param_spec_boxed ("pattern", NULL, NULL,
+ GIMP_TYPE_DASH_PATTERN,
+ GIMP_PARAM_WRITABLE));
+}
+
+static void
+gimp_cell_renderer_dashes_init (GimpCellRendererDashes *dashes)
+{
+ dashes->segments = g_new0 (gboolean, N_SEGMENTS);
+}
+
+static void
+gimp_cell_renderer_dashes_finalize (GObject *object)
+{
+ GimpCellRendererDashes *dashes = GIMP_CELL_RENDERER_DASHES (object);
+
+ g_free (dashes->segments);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gimp_cell_renderer_dashes_get_property (GObject *object,
+ guint param_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
+}
+
+static void
+gimp_cell_renderer_dashes_set_property (GObject *object,
+ guint param_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GimpCellRendererDashes *dashes = GIMP_CELL_RENDERER_DASHES (object);
+
+ switch (param_id)
+ {
+ case PROP_PATTERN:
+ gimp_dash_pattern_fill_segments (g_value_get_boxed (value),
+ dashes->segments, N_SEGMENTS);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_cell_renderer_dashes_get_size (GtkCellRenderer *cell,
+ GtkWidget *widget,
+ GdkRectangle *cell_area,
+ gint *x_offset,
+ gint *y_offset,
+ gint *width,
+ gint *height)
+{
+ gfloat xalign, yalign;
+ gint xpad, ypad;
+
+ gtk_cell_renderer_get_alignment (cell, &xalign, &yalign);
+ gtk_cell_renderer_get_padding (cell, &xpad, &ypad);
+
+ if (cell_area)
+ {
+ if (x_offset)
+ {
+ gdouble align;
+
+ align = ((gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL) ?
+ 1.0 - xalign : xalign);
+
+ *x_offset = align * (cell_area->width - DASHES_WIDTH);
+ *x_offset = MAX (*x_offset, 0) + xpad;
+ }
+
+ if (y_offset)
+ {
+ *y_offset = yalign * (cell_area->height - DASHES_HEIGHT);
+ *y_offset = MAX (*y_offset, 0) + ypad;
+ }
+ }
+ else
+ {
+ if (x_offset)
+ *x_offset = 0;
+
+ if (y_offset)
+ *y_offset = 0;
+ }
+
+ *width = DASHES_WIDTH + 2 * xpad;
+ *height = DASHES_HEIGHT + 2 * ypad;
+}
+
+static void
+gimp_cell_renderer_dashes_render (GtkCellRenderer *cell,
+ GdkWindow *window,
+ GtkWidget *widget,
+ GdkRectangle *background_area,
+ GdkRectangle *cell_area,
+ GdkRectangle *expose_area,
+ GtkCellRendererState flags)
+{
+ GimpCellRendererDashes *dashes = GIMP_CELL_RENDERER_DASHES (cell);
+ GtkStyle *style = gtk_widget_get_style (widget);
+ GtkStateType state;
+ gint xpad, ypad;
+ cairo_t *cr;
+ gint width;
+ gint x, y;
+
+ gtk_cell_renderer_get_padding (cell, &xpad, &ypad);
+
+ if (! gtk_cell_renderer_get_sensitive (cell))
+ {
+ state = GTK_STATE_INSENSITIVE;
+ }
+ else if ((flags & GTK_CELL_RENDERER_SELECTED) == GTK_CELL_RENDERER_SELECTED)
+ {
+ if (gtk_widget_has_focus (widget))
+ state = GTK_STATE_SELECTED;
+ else
+ state = GTK_STATE_ACTIVE;
+ }
+ else if ((flags & GTK_CELL_RENDERER_PRELIT) == GTK_CELL_RENDERER_PRELIT &&
+ gtk_widget_get_state (widget) == GTK_STATE_PRELIGHT)
+ {
+ state = GTK_STATE_PRELIGHT;
+ }
+ else
+ {
+ if (gtk_widget_is_sensitive (widget))
+ state = GTK_STATE_NORMAL;
+ else
+ state = GTK_STATE_INSENSITIVE;
+ }
+
+ y = cell_area->y + (cell_area->height - DASHES_HEIGHT) / 2;
+ width = cell_area->width - 2 * xpad;
+
+ cr = gdk_cairo_create (window);
+
+ gdk_cairo_rectangle (cr, expose_area);
+ cairo_clip (cr);
+
+ for (x = 0; x < width + BLOCK_WIDTH; x += BLOCK_WIDTH)
+ {
+ guint index = ((guint) x / BLOCK_WIDTH) % N_SEGMENTS;
+
+ if (dashes->segments[index])
+ {
+ cairo_rectangle (cr,
+ cell_area->x + xpad + x, y,
+ MIN (BLOCK_WIDTH, width - x), DASHES_HEIGHT);
+ }
+ }
+
+ gdk_cairo_set_source_color (cr, &style->text[state]);
+ cairo_fill (cr);
+
+ cairo_destroy (cr);
+}
+
+GtkCellRenderer *
+gimp_cell_renderer_dashes_new (void)
+{
+ return g_object_new (GIMP_TYPE_CELL_RENDERER_DASHES, NULL);
+}