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-rw-r--r--libgimp/gimpbrushselectbutton.c932
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diff --git a/libgimp/gimpbrushselectbutton.c b/libgimp/gimpbrushselectbutton.c
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+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
+ *
+ * gimpbrushselectbutton.c
+ * Copyright (C) 1998 Andy Thomas
+ *
+ * This library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "gimp.h"
+
+#include "gimpuitypes.h"
+#include "gimpbrushselectbutton.h"
+#include "gimpuimarshal.h"
+
+#include "libgimp-intl.h"
+
+
+/**
+ * SECTION: gimpbrushselectbutton
+ * @title: gimpbrushselectbutton
+ * @short_description: A button that pops up a brush selection dialog.
+ *
+ * A button that pops up a brush selection dialog.
+ **/
+
+
+#define CELL_SIZE 20
+
+
+#define GIMP_BRUSH_SELECT_BUTTON_GET_PRIVATE(obj) ((GimpBrushSelectButtonPrivate *) gimp_brush_select_button_get_instance_private ((GimpBrushSelectButton *) (obj)))
+
+typedef struct _GimpBrushSelectButtonPrivate GimpBrushSelectButtonPrivate;
+
+struct _GimpBrushSelectButtonPrivate
+{
+ gchar *title;
+
+ gchar *brush_name; /* Local copy */
+ gdouble opacity;
+ gint spacing;
+ GimpLayerMode paint_mode;
+ gint width;
+ gint height;
+ guchar *mask_data; /* local copy */
+
+ GtkWidget *inside;
+ GtkWidget *preview;
+ GtkWidget *popup;
+};
+
+enum
+{
+ BRUSH_SET,
+ LAST_SIGNAL
+};
+
+enum
+{
+ PROP_0,
+ PROP_TITLE,
+ PROP_BRUSH_NAME,
+ PROP_BRUSH_OPACITY,
+ PROP_BRUSH_SPACING,
+ PROP_BRUSH_PAINT_MODE
+};
+
+
+/* local function prototypes */
+
+static void gimp_brush_select_button_finalize (GObject *object);
+
+static void gimp_brush_select_button_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gimp_brush_select_button_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec);
+
+static void gimp_brush_select_button_clicked (GimpBrushSelectButton *button);
+
+static void gimp_brush_select_button_callback (const gchar *brush_name,
+ gdouble opacity,
+ gint spacing,
+ GimpLayerMode paint_mode,
+ gint width,
+ gint height,
+ const guchar *mask_data,
+ gboolean dialog_closing,
+ gpointer user_data);
+
+static void gimp_brush_select_preview_resize (GimpBrushSelectButton *button);
+static gboolean gimp_brush_select_preview_events (GtkWidget *widget,
+ GdkEvent *event,
+ GimpBrushSelectButton *button);
+static void gimp_brush_select_preview_draw (GimpPreviewArea *area,
+ gint x,
+ gint y,
+ gint width,
+ gint height,
+ const guchar *mask_data,
+ gint rowstride);
+static void gimp_brush_select_preview_update (GtkWidget *preview,
+ gint brush_width,
+ gint brush_height,
+ const guchar *mask_data);
+
+static void gimp_brush_select_button_open_popup (GimpBrushSelectButton *button,
+ gint x,
+ gint y);
+static void gimp_brush_select_button_close_popup (GimpBrushSelectButton *button);
+
+static void gimp_brush_select_drag_data_received (GimpBrushSelectButton *button,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ GtkSelectionData *selection,
+ guint info,
+ guint time);
+
+static GtkWidget * gimp_brush_select_button_create_inside (GimpBrushSelectButton *button);
+
+
+static const GtkTargetEntry target = { "application/x-gimp-brush-name", 0 };
+
+static guint brush_button_signals[LAST_SIGNAL] = { 0 };
+
+
+G_DEFINE_TYPE_WITH_PRIVATE (GimpBrushSelectButton, gimp_brush_select_button,
+ GIMP_TYPE_SELECT_BUTTON)
+
+
+static void
+gimp_brush_select_button_class_init (GimpBrushSelectButtonClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GimpSelectButtonClass *select_button_class = GIMP_SELECT_BUTTON_CLASS (klass);
+
+ object_class->finalize = gimp_brush_select_button_finalize;
+ object_class->set_property = gimp_brush_select_button_set_property;
+ object_class->get_property = gimp_brush_select_button_get_property;
+
+ select_button_class->select_destroy = gimp_brush_select_destroy;
+
+ klass->brush_set = NULL;
+
+ /**
+ * GimpBrushSelectButton:title:
+ *
+ * The title to be used for the brush selection popup dialog.
+ *
+ * Since: 2.4
+ */
+ g_object_class_install_property (object_class, PROP_TITLE,
+ g_param_spec_string ("title",
+ "Title",
+ "The title to be used for the brush selection popup dialog",
+ _("Brush Selection"),
+ GIMP_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT_ONLY));
+
+ /**
+ * GimpBrushSelectButton:brush-name:
+ *
+ * The name of the currently selected brush.
+ *
+ * Since: 2.4
+ */
+ g_object_class_install_property (object_class, PROP_BRUSH_NAME,
+ g_param_spec_string ("brush-name",
+ "Brush name",
+ "The name of the currently selected brush",
+ NULL,
+ GIMP_PARAM_READWRITE));
+
+ /**
+ * GimpBrushSelectButton:opacity:
+ *
+ * The opacity of the currently selected brush.
+ *
+ * Since: 2.4
+ */
+ g_object_class_install_property (object_class, PROP_BRUSH_OPACITY,
+ g_param_spec_double ("brush-opacity",
+ "Brush opacity",
+ "The opacity of the currently selected brush",
+ -1.0, 100.0, -1.0,
+ GIMP_PARAM_READWRITE));
+
+ /**
+ * GimpBrushSelectButton:spacing:
+ *
+ * The spacing of the currently selected brush.
+ *
+ * Since: 2.4
+ */
+ g_object_class_install_property (object_class, PROP_BRUSH_SPACING,
+ g_param_spec_int ("brush-spacing",
+ "Brush spacing",
+ "The spacing of the currently selected brush",
+ -G_MAXINT, 1000, -1,
+ GIMP_PARAM_READWRITE));
+
+ /**
+ * GimpBrushSelectButton:paint-mode:
+ *
+ * The paint mode.
+ *
+ * Since: 2.4
+ */
+ g_object_class_install_property (object_class, PROP_BRUSH_PAINT_MODE,
+ g_param_spec_int ("brush-paint-mode",
+ "Brush paint mode",
+ "The paint mode of the currently selected brush",
+ -1, GIMP_LAYER_MODE_LUMINANCE,
+ -1,
+ GIMP_PARAM_READWRITE));
+
+ /**
+ * GimpBrushSelectButton::brush-set:
+ * @widget: the object which received the signal.
+ * @brush_name: the name of the currently selected brush.
+ * @opacity: opacity of the brush
+ * @spacing: spacing of the brush
+ * @paint_mode: paint mode of the brush
+ * @width: width of the brush
+ * @height: height of the brush
+ * @mask_data: brush mask data
+ * @dialog_closing: whether the dialog was closed or not.
+ *
+ * The ::brush-set signal is emitted when the user selects a brush.
+ *
+ * Since: 2.4
+ */
+ brush_button_signals[BRUSH_SET] =
+ g_signal_new ("brush-set",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_FIRST,
+ G_STRUCT_OFFSET (GimpBrushSelectButtonClass, brush_set),
+ NULL, NULL,
+ _gimpui_marshal_VOID__STRING_DOUBLE_INT_INT_INT_INT_POINTER_BOOLEAN,
+ G_TYPE_NONE, 8,
+ G_TYPE_STRING,
+ G_TYPE_DOUBLE,
+ G_TYPE_INT,
+ G_TYPE_INT,
+ G_TYPE_INT,
+ G_TYPE_INT,
+ G_TYPE_POINTER,
+ G_TYPE_BOOLEAN);
+}
+
+static void
+gimp_brush_select_button_init (GimpBrushSelectButton *button)
+{
+ GimpBrushSelectButtonPrivate *priv;
+ gint mask_bpp;
+ gint mask_data_size;
+ gint color_bpp;
+ gint color_data_size;
+ guint8 *color_data;
+
+ priv = GIMP_BRUSH_SELECT_BUTTON_GET_PRIVATE (button);
+
+ priv->brush_name = gimp_context_get_brush ();
+ gimp_brush_get_pixels (priv->brush_name,
+ &priv->width,
+ &priv->height,
+ &mask_bpp,
+ &mask_data_size,
+ &priv->mask_data,
+ &color_bpp,
+ &color_data_size,
+ &color_data);
+
+ if (color_data)
+ g_free (color_data);
+
+ priv->inside = gimp_brush_select_button_create_inside (button);
+ gtk_container_add (GTK_CONTAINER (button), priv->inside);
+
+ priv->popup = NULL;
+}
+
+/**
+ * gimp_brush_select_button_new:
+ * @title: Title of the dialog to use or %NULL means to use the default
+ * title.
+ * @brush_name: Initial brush name or %NULL to use current selection.
+ * @opacity: Initial opacity. -1 means to use current opacity.
+ * @spacing: Initial spacing. -1 means to use current spacing.
+ * @paint_mode: Initial paint mode. -1 means to use current paint mode.
+ *
+ * Creates a new #GtkWidget that completely controls the selection of
+ * a brush. This widget is suitable for placement in a table in a
+ * plug-in dialog.
+ *
+ * Returns: A #GtkWidget that you can use in your UI.
+ *
+ * Since: 2.4
+ */
+GtkWidget *
+gimp_brush_select_button_new (const gchar *title,
+ const gchar *brush_name,
+ gdouble opacity,
+ gint spacing,
+ GimpLayerMode paint_mode)
+{
+ GtkWidget *button;
+
+ if (title)
+ button = g_object_new (GIMP_TYPE_BRUSH_SELECT_BUTTON,
+ "title", title,
+ "brush-name", brush_name,
+ "brush-opacity", opacity,
+ "brush-spacing", spacing,
+ "brush-paint-mode", paint_mode,
+ NULL);
+ else
+ button = g_object_new (GIMP_TYPE_BRUSH_SELECT_BUTTON,
+ "brush-name", brush_name,
+ "brush-opacity", opacity,
+ "brush-spacing", spacing,
+ "brush-paint-mode", paint_mode,
+ NULL);
+
+ return button;
+}
+
+/**
+ * gimp_brush_select_button_get_brush:
+ * @button: A #GimpBrushSelectButton
+ * @opacity: Opacity of the selected brush.
+ * @spacing: Spacing of the selected brush.
+ * @paint_mode: Paint mode of the selected brush.
+ *
+ * Retrieves the properties of currently selected brush.
+ *
+ * Returns: an internal copy of the brush name which must not be freed.
+ *
+ * Since: 2.4
+ */
+const gchar *
+gimp_brush_select_button_get_brush (GimpBrushSelectButton *button,
+ gdouble *opacity,
+ gint *spacing,
+ GimpLayerMode *paint_mode)
+{
+ GimpBrushSelectButtonPrivate *priv;
+
+ g_return_val_if_fail (GIMP_IS_BRUSH_SELECT_BUTTON (button), NULL);
+
+ priv = GIMP_BRUSH_SELECT_BUTTON_GET_PRIVATE (button);
+
+ if (opacity)
+ *opacity = priv->opacity;
+
+ if (spacing)
+ *spacing = priv->spacing;
+
+ if (paint_mode)
+ *paint_mode = priv->paint_mode;
+
+ return priv->brush_name;
+}
+
+/**
+ * gimp_brush_select_button_set_brush:
+ * @button: A #GimpBrushSelectButton
+ * @brush_name: Brush name to set; %NULL means no change.
+ * @opacity: Opacity to set. -1.0 means no change.
+ * @spacing: Spacing to set. -1 means no change.
+ * @paint_mode: Paint mode to set. -1 means no change.
+ *
+ * Sets the current brush and other values for the brush select
+ * button.
+ *
+ * Since: 2.4
+ */
+void
+gimp_brush_select_button_set_brush (GimpBrushSelectButton *button,
+ const gchar *brush_name,
+ gdouble opacity,
+ gint spacing,
+ GimpLayerMode paint_mode)
+{
+ GimpSelectButton *select_button;
+
+ g_return_if_fail (GIMP_IS_BRUSH_SELECT_BUTTON (button));
+
+ select_button = GIMP_SELECT_BUTTON (button);
+
+ if (select_button->temp_callback)
+ {
+ gimp_brushes_set_popup (select_button->temp_callback, brush_name,
+ opacity, spacing, paint_mode);
+ }
+ else
+ {
+ gchar *name;
+ gint width;
+ gint height;
+ gint bytes;
+ gint mask_data_size;
+ guint8 *mask_data;
+ gint color_bpp;
+ gint color_data_size;
+ guint8 *color_data;
+
+ if (brush_name && *brush_name)
+ name = g_strdup (brush_name);
+ else
+ name = gimp_context_get_brush ();
+
+ if (gimp_brush_get_pixels (name,
+ &width,
+ &height,
+ &bytes,
+ &mask_data_size,
+ &mask_data,
+ &color_bpp,
+ &color_data_size,
+ &color_data))
+ {
+ if (color_data)
+ g_free (color_data);
+
+ if (opacity < 0.0)
+ opacity = gimp_context_get_opacity ();
+
+ if (spacing == -1)
+ gimp_brush_get_spacing (name, &spacing);
+
+ if (paint_mode == -1)
+ paint_mode = gimp_context_get_paint_mode ();
+
+ gimp_brush_select_button_callback (name,
+ opacity, spacing, paint_mode,
+ width, height, mask_data,
+ FALSE, button);
+
+ g_free (mask_data);
+ }
+
+ g_free (name);
+ }
+}
+
+
+/* private functions */
+
+static void
+gimp_brush_select_button_finalize (GObject *object)
+{
+ GimpBrushSelectButtonPrivate *priv;
+
+ priv = GIMP_BRUSH_SELECT_BUTTON_GET_PRIVATE (object);
+
+ g_clear_pointer (&priv->brush_name, g_free);
+ g_clear_pointer (&priv->mask_data, g_free);
+ g_clear_pointer (&priv->title, g_free);
+
+ G_OBJECT_CLASS (gimp_brush_select_button_parent_class)->finalize (object);
+}
+
+static void
+gimp_brush_select_button_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GimpBrushSelectButton *button = GIMP_BRUSH_SELECT_BUTTON (object);
+ GimpBrushSelectButtonPrivate *priv;
+ gdouble opacity;
+ gint32 spacing;
+ gint32 paint_mode;
+
+ priv = GIMP_BRUSH_SELECT_BUTTON_GET_PRIVATE (button);
+
+ switch (property_id)
+ {
+ case PROP_TITLE:
+ priv->title = g_value_dup_string (value);
+ break;
+ case PROP_BRUSH_NAME:
+ gimp_brush_select_button_set_brush (button,
+ g_value_get_string (value),
+ -1.0, -1, -1);
+ break;
+ case PROP_BRUSH_OPACITY:
+ opacity = g_value_get_double (value);
+ if (opacity >= 0.0)
+ priv->opacity = opacity;
+ break;
+ case PROP_BRUSH_SPACING:
+ spacing = g_value_get_int (value);
+ if (spacing != -1)
+ priv->spacing = spacing;
+ break;
+ case PROP_BRUSH_PAINT_MODE:
+ paint_mode = g_value_get_int (value);
+ if (paint_mode != -1)
+ priv->paint_mode = paint_mode;
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_brush_select_button_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GimpBrushSelectButton *button = GIMP_BRUSH_SELECT_BUTTON (object);
+ GimpBrushSelectButtonPrivate *priv;
+
+ priv = GIMP_BRUSH_SELECT_BUTTON_GET_PRIVATE (button);
+
+ switch (property_id)
+ {
+ case PROP_TITLE:
+ g_value_set_string (value, priv->title);
+ break;
+ case PROP_BRUSH_NAME:
+ g_value_set_string (value, priv->brush_name);
+ break;
+ case PROP_BRUSH_OPACITY:
+ g_value_set_double (value, priv->opacity);
+ break;
+ case PROP_BRUSH_SPACING:
+ g_value_set_int (value, priv->spacing);
+ break;
+ case PROP_BRUSH_PAINT_MODE:
+ g_value_set_int (value, priv->paint_mode);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_brush_select_button_callback (const gchar *name,
+ gdouble opacity,
+ gint spacing,
+ GimpLayerMode paint_mode,
+ gint width,
+ gint height,
+ const guchar *mask_data,
+ gboolean dialog_closing,
+ gpointer data)
+{
+ GimpBrushSelectButton *button;
+ GimpBrushSelectButtonPrivate *priv;
+ GimpSelectButton *select_button;
+
+ button = GIMP_BRUSH_SELECT_BUTTON (data);
+
+ priv = GIMP_BRUSH_SELECT_BUTTON_GET_PRIVATE (button);
+ select_button = GIMP_SELECT_BUTTON (button);
+
+ g_free (priv->brush_name);
+ g_free (priv->mask_data);
+
+ priv->brush_name = g_strdup (name);
+ priv->width = width;
+ priv->height = height;
+ priv->mask_data = g_memdup (mask_data, width * height);
+ priv->opacity = opacity;
+ priv->spacing = spacing;
+ priv->paint_mode = paint_mode;
+
+ gimp_brush_select_preview_update (priv->preview,
+ width, height, mask_data);
+
+ if (dialog_closing)
+ select_button->temp_callback = NULL;
+
+ g_signal_emit (button, brush_button_signals[BRUSH_SET], 0,
+ name, opacity, spacing, paint_mode, width, height, mask_data,
+ dialog_closing);
+ g_object_notify (G_OBJECT (button), "brush-name");
+}
+
+static void
+gimp_brush_select_button_clicked (GimpBrushSelectButton *button)
+{
+ GimpBrushSelectButtonPrivate *priv;
+ GimpSelectButton *select_button;
+
+ priv = GIMP_BRUSH_SELECT_BUTTON_GET_PRIVATE (button);
+ select_button = GIMP_SELECT_BUTTON (button);
+
+ if (select_button->temp_callback)
+ {
+ /* calling gimp_brushes_set_popup() raises the dialog */
+ gimp_brushes_set_popup (select_button->temp_callback,
+ priv->brush_name,
+ priv->opacity,
+ priv->spacing,
+ priv->paint_mode);
+ }
+ else
+ {
+ select_button->temp_callback =
+ gimp_brush_select_new (priv->title, priv->brush_name,
+ priv->opacity, priv->spacing, priv->paint_mode,
+ gimp_brush_select_button_callback,
+ button);
+ }
+}
+
+static void
+gimp_brush_select_preview_resize (GimpBrushSelectButton *button)
+{
+ GimpBrushSelectButtonPrivate *priv;
+
+ priv = GIMP_BRUSH_SELECT_BUTTON_GET_PRIVATE (button);
+
+ if (priv->width > 0 && priv->height > 0)
+ gimp_brush_select_preview_update (priv->preview,
+ priv->width,
+ priv->height,
+ priv->mask_data);
+}
+
+static gboolean
+gimp_brush_select_preview_events (GtkWidget *widget,
+ GdkEvent *event,
+ GimpBrushSelectButton *button)
+{
+ GimpBrushSelectButtonPrivate *priv;
+ GdkEventButton *bevent;
+
+ priv = GIMP_BRUSH_SELECT_BUTTON_GET_PRIVATE (button);
+
+ if (priv->mask_data)
+ {
+ switch (event->type)
+ {
+ case GDK_BUTTON_PRESS:
+ bevent = (GdkEventButton *) event;
+
+ if (bevent->button == 1)
+ {
+ gtk_grab_add (widget);
+ gimp_brush_select_button_open_popup (button,
+ bevent->x, bevent->y);
+ }
+ break;
+
+ case GDK_BUTTON_RELEASE:
+ bevent = (GdkEventButton *) event;
+
+ if (bevent->button == 1)
+ {
+ gtk_grab_remove (widget);
+ gimp_brush_select_button_close_popup (button);
+ }
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ return FALSE;
+}
+
+static void
+gimp_brush_select_preview_draw (GimpPreviewArea *area,
+ gint x,
+ gint y,
+ gint width,
+ gint height,
+ const guchar *mask_data,
+ gint rowstride)
+{
+ const guchar *src;
+ guchar *dest;
+ guchar *buf;
+ gint i, j;
+
+ buf = g_new (guchar, width * height);
+
+ src = mask_data;
+ dest = buf;
+
+ for (j = 0; j < height; j++)
+ {
+ const guchar *s = src;
+
+ for (i = 0; i < width; i++, s++, dest++)
+ *dest = 255 - *s;
+
+ src += rowstride;
+ }
+
+ gimp_preview_area_draw (area,
+ x, y, width, height,
+ GIMP_GRAY_IMAGE,
+ buf,
+ width);
+
+ g_free (buf);
+}
+
+static void
+gimp_brush_select_preview_update (GtkWidget *preview,
+ gint brush_width,
+ gint brush_height,
+ const guchar *mask_data)
+{
+ GimpPreviewArea *area = GIMP_PREVIEW_AREA (preview);
+ GtkAllocation allocation;
+ gint x, y;
+ gint width, height;
+
+ gtk_widget_get_allocation (preview, &allocation);
+
+ width = MIN (brush_width, allocation.width);
+ height = MIN (brush_height, allocation.height);
+
+ x = ((allocation.width - width) / 2);
+ y = ((allocation.height - height) / 2);
+
+ if (x || y)
+ gimp_preview_area_fill (area,
+ 0, 0,
+ allocation.width,
+ allocation.height,
+ 0xFF, 0xFF, 0xFF);
+
+ gimp_brush_select_preview_draw (area,
+ x, y, width, height,
+ mask_data, brush_width);
+}
+
+static void
+gimp_brush_select_button_open_popup (GimpBrushSelectButton *button,
+ gint x,
+ gint y)
+{
+ GimpBrushSelectButtonPrivate *priv;
+ GtkWidget *frame;
+ GtkWidget *preview;
+ GdkScreen *screen;
+ gint x_org;
+ gint y_org;
+ gint scr_w;
+ gint scr_h;
+
+ priv = GIMP_BRUSH_SELECT_BUTTON_GET_PRIVATE (button);
+
+ if (priv->popup)
+ gimp_brush_select_button_close_popup (button);
+
+ if (priv->width <= CELL_SIZE && priv->height <= CELL_SIZE)
+ return;
+
+ screen = gtk_widget_get_screen (GTK_WIDGET (button));
+
+ priv->popup = gtk_window_new (GTK_WINDOW_POPUP);
+ gtk_window_set_type_hint (GTK_WINDOW (priv->popup), GDK_WINDOW_TYPE_HINT_DND);
+ gtk_window_set_screen (GTK_WINDOW (priv->popup), screen);
+
+ frame = gtk_frame_new (NULL);
+ gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_OUT);
+ gtk_container_add (GTK_CONTAINER (priv->popup), frame);
+ gtk_widget_show (frame);
+
+ preview = gimp_preview_area_new ();
+ gtk_widget_set_size_request (preview, priv->width, priv->height);
+ gtk_container_add (GTK_CONTAINER (frame), preview);
+ gtk_widget_show (preview);
+
+ /* decide where to put the popup */
+ gdk_window_get_origin (gtk_widget_get_window (priv->preview),
+ &x_org, &y_org);
+
+ scr_w = gdk_screen_get_width (screen);
+ scr_h = gdk_screen_get_height (screen);
+
+ x = x_org + x - (priv->width / 2);
+ y = y_org + y - (priv->height / 2);
+ x = (x < 0) ? 0 : x;
+ y = (y < 0) ? 0 : y;
+ x = (x + priv->width > scr_w) ? scr_w - priv->width : x;
+ y = (y + priv->height > scr_h) ? scr_h - priv->height : y;
+
+ gtk_window_move (GTK_WINDOW (priv->popup), x, y);
+
+ gtk_widget_show (priv->popup);
+
+ /* Draw the brush */
+ gimp_brush_select_preview_draw (GIMP_PREVIEW_AREA (preview),
+ 0, 0, priv->width, priv->height,
+ priv->mask_data, priv->width);
+}
+
+static void
+gimp_brush_select_button_close_popup (GimpBrushSelectButton *button)
+{
+ GimpBrushSelectButtonPrivate *priv;
+
+ priv = GIMP_BRUSH_SELECT_BUTTON_GET_PRIVATE (button);
+
+ if (priv->popup)
+ {
+ gtk_widget_destroy (priv->popup);
+ priv->popup = NULL;
+ }
+}
+
+static void
+gimp_brush_select_drag_data_received (GimpBrushSelectButton *button,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ GtkSelectionData *selection,
+ guint info,
+ guint time)
+{
+ gint length = gtk_selection_data_get_length (selection);
+ gchar *str;
+
+ if (gtk_selection_data_get_format (selection) != 8 || length < 1)
+ {
+ g_warning ("%s: received invalid brush data", G_STRFUNC);
+ return;
+ }
+
+ str = g_strndup ((const gchar *) gtk_selection_data_get_data (selection),
+ length);
+
+ if (g_utf8_validate (str, -1, NULL))
+ {
+ gint pid;
+ gpointer unused;
+ gint name_offset = 0;
+
+ if (sscanf (str, "%i:%p:%n", &pid, &unused, &name_offset) >= 2 &&
+ pid == gimp_getpid () && name_offset > 0)
+ {
+ gchar *name = str + name_offset;
+
+ gimp_brush_select_button_set_brush (button, name, -1.0, -1, -1);
+ }
+ }
+
+ g_free (str);
+}
+
+static GtkWidget *
+gimp_brush_select_button_create_inside (GimpBrushSelectButton *brush_button)
+{
+ GtkWidget *hbox;
+ GtkWidget *frame;
+ GtkWidget *button;
+ GimpBrushSelectButtonPrivate *priv;
+
+ priv = GIMP_BRUSH_SELECT_BUTTON_GET_PRIVATE (brush_button);
+
+ gtk_widget_push_composite_child ();
+
+ hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
+
+ frame = gtk_frame_new (NULL);
+ gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
+ gtk_box_pack_start (GTK_BOX (hbox), frame, FALSE, FALSE, 0);
+
+ priv->preview = gimp_preview_area_new ();
+ gtk_widget_add_events (priv->preview,
+ GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK);
+ gtk_widget_set_size_request (priv->preview, CELL_SIZE, CELL_SIZE);
+ gtk_container_add (GTK_CONTAINER (frame), priv->preview);
+
+ g_signal_connect_swapped (priv->preview, "size-allocate",
+ G_CALLBACK (gimp_brush_select_preview_resize),
+ brush_button);
+ g_signal_connect (priv->preview, "event",
+ G_CALLBACK (gimp_brush_select_preview_events),
+ brush_button);
+
+ gtk_drag_dest_set (GTK_WIDGET (priv->preview),
+ GTK_DEST_DEFAULT_HIGHLIGHT |
+ GTK_DEST_DEFAULT_MOTION |
+ GTK_DEST_DEFAULT_DROP,
+ &target, 1,
+ GDK_ACTION_COPY);
+
+ g_signal_connect_swapped (priv->preview, "drag-data-received",
+ G_CALLBACK (gimp_brush_select_drag_data_received),
+ brush_button);
+
+ button = gtk_button_new_with_mnemonic (_("_Browse..."));
+ gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
+
+ g_signal_connect_swapped (button, "clicked",
+ G_CALLBACK (gimp_brush_select_button_clicked),
+ brush_button);
+
+ gtk_widget_show_all (hbox);
+
+ gtk_widget_pop_composite_child ();
+
+ return hbox;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-11 15:59:42 +0000