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- /* The GIMP -- an image manipulation program
- * Copyright (C) 1995 Spencer Kimball and Peter Mattis
- *
- * 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 2 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
- #include "config.h"
-
- #include <string.h>
-
- #include <gtk/gtk.h>
-
- #include "apptypes.h"
-
- #include "appenv.h"
- #include "brush_scale.h"
- #include "brush_edit.h"
- #include "brush_select.h"
- #include "dialog_handler.h"
- #include "gimpbrushgenerated.h"
- #include "gimpbrushlist.h"
- #include "gimpbrushpipe.h"
- #include "gimpcontext.h"
- #include "gimpdnd.h"
- #include "gimplist.h"
- #include "gimprc.h"
- #include "gimpui.h"
- #include "paint_options.h"
- #include "session.h"
-
- #include "config.h"
- #include "libgimp/gimpintl.h"
-
- #define MIN_CELL_SIZE 25
- #define MAX_CELL_SIZE 25 /* disable variable brush preview size */
-
- #define STD_BRUSH_COLUMNS 5
- #define STD_BRUSH_ROWS 5
-
- /* how long to wait after mouse-down before showing brush popup */
- #define POPUP_DELAY_MS 150
-
- #define MAX_WIN_WIDTH(bsp) (MIN_CELL_SIZE * ((bsp)->NUM_BRUSH_COLUMNS))
- #define MAX_WIN_HEIGHT(bsp) (MIN_CELL_SIZE * ((bsp)->NUM_BRUSH_ROWS))
- #define MARGIN_WIDTH 1
- #define MARGIN_HEIGHT 1
-
- #define BRUSH_EVENT_MASK GDK_EXPOSURE_MASK | \
- GDK_BUTTON_PRESS_MASK | \
- GDK_BUTTON_RELEASE_MASK | \
- GDK_BUTTON1_MOTION_MASK | \
- GDK_ENTER_NOTIFY_MASK
-
- /* the pixmaps for the [scale|pipe]_indicators */
- #define indicator_width 7
- #define indicator_height 7
-
- #define WHT {255, 255, 255}
- #define BLK { 0, 0, 0}
- #define RED {255, 127, 127}
-
- /* local function prototypes */
- static void brush_change_callbacks (BrushSelect *bsp,
- gboolean closing);
-
- static GimpBrush * brush_select_drag_brush (GtkWidget *widget,
- gpointer data);
- static void brush_select_drop_brush (GtkWidget *widget,
- GimpBrush *brush,
- gpointer data);
- static void brush_select_brush_changed (GimpContext *context,
- GimpBrush *brush,
- BrushSelect *bsp);
- static void brush_select_opacity_changed (GimpContext *context,
- gdouble opacity,
- BrushSelect *bsp);
- static void brush_select_paint_mode_changed (GimpContext *context,
- LayerModeEffects paint_mode,
- BrushSelect *bsp);
- static void brush_select_select (BrushSelect *bsp,
- GimpBrush *brush);
-
- static void brush_select_brush_dirty_callback (GimpBrush *brush,
- BrushSelect *bsp);
- static void connect_signals_to_brush (GimpBrush *brush,
- BrushSelect *bsp);
- static void disconnect_signals_from_brush (GimpBrush *brush,
- BrushSelect *bsp);
- static void brush_added_callback (GimpBrushList *list,
- GimpBrush *brush,
- BrushSelect *bsp);
- static void brush_removed_callback (GimpBrushList *list,
- GimpBrush *brush,
- BrushSelect *bsp);
-
- static void draw_brush_popup (GtkPreview *preview,
- GimpBrush *brush,
- gint width,
- gint height);
- static gint brush_popup_anim_timeout (gpointer data);
- static gboolean brush_popup_timeout (gpointer data);
- static void brush_popup_open (BrushSelect *,
- gint, gint, GimpBrush *);
- static void brush_popup_close (BrushSelect *);
-
- static void display_setup (BrushSelect *);
- static void clear_brush (BrushSelect *,
- GimpBrush *, gint, gint);
- static void display_brush (BrushSelect *,
- GimpBrush *, gint, gint,
- gboolean);
- static void do_display_brush (GimpBrush *brush,
- BrushSelect *bsp);
- static void display_brushes (BrushSelect *);
-
- static void brush_select_show_selected (BrushSelect *, gint, gint);
- static void update_active_brush_field (BrushSelect *);
- static void preview_calc_scrollbar (BrushSelect *);
-
- static gint brush_select_resize (GtkWidget *, GdkEvent *,
- BrushSelect *);
- static gint brush_select_events (GtkWidget *, GdkEvent *,
- BrushSelect *);
-
- /* static void brush_select_map_callback (GtkWidget *,
- BrushSelect *); */
- static void brush_select_scroll_update (GtkAdjustment *, gpointer);
- static void opacity_scale_update (GtkAdjustment *, gpointer);
- static void paint_mode_menu_callback (GtkWidget *, gpointer);
- static void spacing_scale_update (GtkAdjustment *, gpointer);
-
- static void brush_select_close_callback (GtkWidget *, gpointer);
- static void brush_select_refresh_callback (GtkWidget *, gpointer);
- static void brush_select_new_brush_callback (GtkWidget *, gpointer);
- static void brush_select_edit_brush_callback (GtkWidget *, gpointer);
- static void brush_select_delete_brush_callback (GtkWidget *, gpointer);
-
- static unsigned char scale_indicator_bits[7][7][3] =
- {
- { WHT, WHT, WHT, WHT, WHT, WHT, WHT },
- { WHT, WHT, WHT, BLK, WHT, WHT, WHT },
- { WHT, WHT, WHT, BLK, WHT, WHT, WHT },
- { WHT, BLK, BLK, BLK, BLK, BLK, WHT },
- { WHT, WHT, WHT, BLK, WHT, WHT, WHT },
- { WHT, WHT, WHT, BLK, WHT, WHT, WHT },
- { WHT, WHT, WHT, WHT, WHT, WHT, WHT }
- };
-
- static unsigned char pipe_indicator_bits[7][7][3] =
- {
- { WHT, WHT, WHT, WHT, WHT, WHT, WHT },
- { WHT, WHT, WHT, WHT, WHT, WHT, RED },
- { WHT, WHT, WHT, WHT, WHT, RED, RED },
- { WHT, WHT, WHT, WHT, RED, RED, RED },
- { WHT, WHT, WHT, RED, RED, RED, RED },
- { WHT, WHT, RED, RED, RED, RED, RED },
- { WHT, RED, RED, RED, RED, RED, RED }
- };
-
- static unsigned char scale_pipe_indicator_bits[7][7][3] =
- {
- { WHT, WHT, WHT, WHT, WHT, WHT, WHT },
- { WHT, WHT, WHT, BLK, WHT, WHT, RED },
- { WHT, WHT, WHT, BLK, WHT, RED, RED },
- { WHT, BLK, BLK, BLK, BLK, BLK, RED },
- { WHT, WHT, WHT, BLK, RED, RED, RED },
- { WHT, WHT, RED, BLK, RED, RED, RED },
- { WHT, RED, RED, RED, RED, RED, RED }
- };
-
- /* dnd stuff */
- static GtkTargetEntry preview_target_table[] =
- {
- GIMP_TARGET_BRUSH
- };
- static guint preview_n_targets = (sizeof (preview_target_table) /
- sizeof (preview_target_table[0]));
-
- /* The main brush selection dialog */
- BrushSelect *brush_select_dialog = NULL;
-
- /* local variables */
-
- /* List of active dialogs */
- GSList *brush_active_dialogs = NULL;
-
- /* Brush editor dialog */
- static BrushEditGeneratedWindow *brush_edit_generated_dialog;
-
- void
- brush_dialog_create (void)
- {
- if (! brush_select_dialog)
- {
- brush_select_dialog = brush_select_new (NULL, NULL, 0.0, 0, 0);
- }
- else
- {
- if (!GTK_WIDGET_VISIBLE (brush_select_dialog->shell))
- gtk_widget_show (brush_select_dialog->shell);
- else
- gdk_window_raise (brush_select_dialog->shell->window);
- }
- }
-
- void
- brush_dialog_free (void)
- {
- if (brush_select_dialog)
- {
- session_get_window_info (brush_select_dialog->shell,
- &brush_select_session_info);
-
- /* save the size of the preview */
- brush_select_session_info.width =
- brush_select_dialog->preview->allocation.width;
- brush_select_session_info.height =
- brush_select_dialog->preview->allocation.height;
-
- brush_select_free (brush_select_dialog);
- brush_select_dialog = NULL;
- }
- }
-
- /* If title == NULL then it is the main brush dialog */
- BrushSelect *
- brush_select_new (gchar *title,
- /* These are the required initial vals
- * If init_name == NULL then use current brush
- */
- gchar *init_name,
- gdouble init_opacity,
- gint init_spacing,
- gint init_mode)
- {
- BrushSelect *bsp;
- GtkWidget *vbox;
- GtkWidget *hbox;
- GtkWidget *frame;
- GtkWidget *sbar;
- GtkWidget *sep;
- GtkWidget *table;
- GtkWidget *util_box;
- GtkWidget *slider;
- GtkWidget *button;
-
- GimpBrush *active = NULL;
-
- static gboolean first_call = TRUE;
-
- bsp = g_new (BrushSelect, 1);
- bsp->callback_name = NULL;
- bsp->dnd_brush = NULL;
- bsp->brush_popup = NULL;
- bsp->popup_timeout_tag = 0;
- bsp->popup_anim_timeout_tag = 0;
- bsp->scroll_offset = 0;
- bsp->old_row = 0;
- bsp->old_col = 0;
- bsp->NUM_BRUSH_COLUMNS = STD_BRUSH_COLUMNS;
- bsp->NUM_BRUSH_ROWS = STD_BRUSH_ROWS;
- bsp->redraw = TRUE;
- bsp->freeze = FALSE;
-
- /* The shell */
- bsp->shell = gimp_dialog_new (title ? title : _("Brush Selection"),
- "brush_selection",
- gimp_standard_help_func,
- "dialogs/brush_selection.html",
- title ? GTK_WIN_POS_MOUSE : GTK_WIN_POS_NONE,
- FALSE, TRUE, FALSE,
-
- _("Refresh"), brush_select_refresh_callback,
- bsp, NULL, NULL, FALSE, FALSE,
- _("Close"), brush_select_close_callback,
- bsp, NULL, NULL, TRUE, TRUE,
-
- NULL);
-
- if (title)
- {
- bsp->context = gimp_context_new (title, NULL);
- }
- else
- {
- bsp->context = gimp_context_get_user ();
-
- session_set_window_geometry (bsp->shell, &brush_select_session_info,
- FALSE);
- dialog_register (bsp->shell);
- }
-
- if (no_data && first_call)
- brushes_init (FALSE);
-
- first_call = FALSE;
-
- if (title && init_name && strlen (init_name))
- {
- active = gimp_brush_list_get_brush (brush_list, init_name);
- }
- else
- {
- active = gimp_context_get_brush (gimp_context_get_user ());
- }
-
- if (!active)
- {
- active = gimp_context_get_brush (gimp_context_get_standard ());
- }
-
- if (title)
- {
- gimp_context_set_brush (bsp->context, active);
- gimp_context_set_paint_mode (bsp->context, init_mode);
- gimp_context_set_opacity (bsp->context, init_opacity);
- bsp->spacing_value = init_spacing;
- }
-
- /* The main vbox */
- vbox = gtk_vbox_new (FALSE, 0);
- gtk_container_set_border_width (GTK_CONTAINER (vbox), 2);
- gtk_container_add (GTK_CONTAINER (GTK_DIALOG (bsp->shell)->vbox), vbox);
-
- /* The horizontal box containing the brush list & options box */
- hbox = gtk_hbox_new (FALSE, 2);
- gtk_container_add (GTK_CONTAINER (vbox), hbox);
-
- /* A place holder for paint mode switching */
- bsp->left_box = gtk_hbox_new (FALSE, 0);
- gtk_box_pack_start (GTK_BOX (hbox), bsp->left_box, TRUE, TRUE, 0);
-
- /* The horizontal box containing preview & scrollbar */
- bsp->brush_selection_box = gtk_hbox_new (FALSE, 2);
- gtk_container_add (GTK_CONTAINER (bsp->left_box), bsp->brush_selection_box);
-
- frame = gtk_frame_new (NULL);
- gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
- gtk_box_pack_start (GTK_BOX (bsp->brush_selection_box), frame,
- TRUE, TRUE, 0);
-
- bsp->sbar_data =
- GTK_ADJUSTMENT (gtk_adjustment_new (0, 0, MAX_WIN_HEIGHT (bsp),
- 1, 1, MAX_WIN_HEIGHT (bsp)));
- sbar = gtk_vscrollbar_new (bsp->sbar_data);
- gtk_signal_connect (GTK_OBJECT (bsp->sbar_data), "value_changed",
- GTK_SIGNAL_FUNC (brush_select_scroll_update),
- bsp);
- gtk_box_pack_start (GTK_BOX (bsp->brush_selection_box), sbar, FALSE, FALSE, 0);
-
- /* Create the brush preview window and the underlying image */
-
- /* Get the maximum brush extents */
- bsp->cell_width = MIN_CELL_SIZE;
- bsp->cell_height = MIN_CELL_SIZE;
-
- bsp->preview = gtk_preview_new (GTK_PREVIEW_COLOR);
- gtk_preview_size (GTK_PREVIEW (bsp->preview),
- MAX_WIN_WIDTH (bsp), MAX_WIN_HEIGHT (bsp));
- gtk_widget_set_usize (bsp->preview,
- MAX_WIN_WIDTH (bsp), MAX_WIN_HEIGHT (bsp));
- gtk_preview_set_expand (GTK_PREVIEW (bsp->preview), TRUE);
- gtk_widget_set_events (bsp->preview, BRUSH_EVENT_MASK);
-
- gtk_signal_connect (GTK_OBJECT (bsp->preview), "event",
- GTK_SIGNAL_FUNC (brush_select_events),
- bsp);
- gtk_signal_connect (GTK_OBJECT(bsp->preview), "size_allocate",
- GTK_SIGNAL_FUNC (brush_select_resize),
- bsp);
-
- /* dnd stuff */
- gtk_drag_source_set (bsp->preview,
- GDK_BUTTON2_MASK,
- preview_target_table, preview_n_targets,
- GDK_ACTION_COPY);
- gimp_dnd_brush_source_set (bsp->preview, brush_select_drag_brush, bsp);
-
- gtk_drag_dest_set (bsp->preview,
- GTK_DEST_DEFAULT_ALL,
- preview_target_table, preview_n_targets,
- GDK_ACTION_COPY);
- gimp_dnd_brush_dest_set (bsp->preview, brush_select_drop_brush, bsp);
-
- gtk_container_add (GTK_CONTAINER (frame), bsp->preview);
- gtk_widget_show (bsp->preview);
-
- gtk_widget_show (sbar);
- gtk_widget_show (frame);
- gtk_widget_show (bsp->brush_selection_box);
- gtk_widget_show (bsp->left_box);
-
- /* Options box */
- bsp->options_box = gtk_vbox_new (FALSE, 0);
- gtk_box_pack_start (GTK_BOX (hbox), bsp->options_box, FALSE, FALSE, 0);
-
- /* Create the active brush label */
- util_box = gtk_hbox_new (FALSE, 0);
- gtk_box_pack_start (GTK_BOX (bsp->options_box), util_box, FALSE, FALSE, 2);
-
- bsp->brush_name = gtk_label_new (_("No Brushes available"));
- gtk_box_pack_start (GTK_BOX (util_box), bsp->brush_name, FALSE, FALSE, 4);
- bsp->brush_size = gtk_label_new ("(0 x 0)");
- gtk_box_pack_start (GTK_BOX (util_box), bsp->brush_size, FALSE, FALSE, 2);
-
- gtk_widget_show (bsp->brush_name);
- gtk_widget_show (bsp->brush_size);
- gtk_widget_show (util_box);
-
- /* A place holder for paint mode switching */
- bsp->right_box = gtk_vbox_new (FALSE, 0);
- gtk_box_pack_start (GTK_BOX (bsp->options_box), bsp->right_box, TRUE, TRUE, 0);
-
- /* The vbox for the paint options */
- bsp->paint_options_box = gtk_vbox_new (FALSE, 0);
- gtk_box_pack_start (GTK_BOX (bsp->right_box), bsp->paint_options_box,
- FALSE, FALSE, 0);
-
- /* A separator before the paint options */
- sep = gtk_hseparator_new ();
- gtk_box_pack_start (GTK_BOX (bsp->paint_options_box), sep, FALSE, FALSE, 0);
- gtk_widget_show (sep);
-
- /* Create the frame and the table for the options */
- table = gtk_table_new (2, 2, FALSE);
- gtk_table_set_col_spacing (GTK_TABLE (table), 0, 4);
- gtk_table_set_row_spacings (GTK_TABLE (table), 2);
- gtk_box_pack_start (GTK_BOX (bsp->paint_options_box), table, FALSE, FALSE, 2);
-
- /* Create the opacity scale widget */
- bsp->opacity_data =
- GTK_ADJUSTMENT (gtk_adjustment_new
- (gimp_context_get_opacity (bsp->context) * 100.0,
- 0.0, 100.0, 1.0, 1.0, 0.0));
- slider = gtk_hscale_new (bsp->opacity_data);
- gtk_scale_set_value_pos (GTK_SCALE (slider), GTK_POS_TOP);
- gtk_range_set_update_policy (GTK_RANGE (slider), GTK_UPDATE_DELAYED);
- gtk_signal_connect (GTK_OBJECT (bsp->opacity_data), "value_changed",
- GTK_SIGNAL_FUNC (opacity_scale_update),
- bsp);
- gimp_table_attach_aligned (GTK_TABLE (table), 0, 0,
- _("Opacity:"), 1.0, 1.0,
- slider, 1, FALSE);
-
- /* Create the paint mode option menu */
- bsp->option_menu =
- paint_mode_menu_new (paint_mode_menu_callback, (gpointer) bsp,
- gimp_context_get_paint_mode (bsp->context));
- gimp_table_attach_aligned (GTK_TABLE (table), 0, 1,
- _("Mode:"), 1.0, 0.5,
- bsp->option_menu, 1, TRUE);
-
- gtk_widget_show (table);
- gtk_widget_show (bsp->paint_options_box);
- gtk_widget_show (bsp->right_box);
-
- /* Create the edit/new buttons */
- util_box = gtk_hbox_new (FALSE, 0);
- gtk_box_pack_end (GTK_BOX (bsp->options_box), util_box, FALSE, FALSE, 4);
-
- button = gtk_button_new_with_label (_("New"));
- gtk_signal_connect (GTK_OBJECT (button), "clicked",
- GTK_SIGNAL_FUNC (brush_select_new_brush_callback),
- bsp);
- gtk_box_pack_start (GTK_BOX (util_box), button, TRUE, TRUE, 6);
-
- bsp->edit_button = gtk_button_new_with_label (_("Edit"));
- gtk_signal_connect (GTK_OBJECT (bsp->edit_button), "clicked",
- GTK_SIGNAL_FUNC (brush_select_edit_brush_callback),
- bsp);
- gtk_box_pack_start (GTK_BOX (util_box), bsp->edit_button, TRUE, TRUE, 5);
-
- bsp->delete_button = gtk_button_new_with_label (_("Delete"));
- gtk_signal_connect (GTK_OBJECT (bsp->delete_button), "clicked",
- GTK_SIGNAL_FUNC (brush_select_delete_brush_callback),
- bsp);
- gtk_box_pack_start (GTK_BOX (util_box), bsp->delete_button, TRUE, TRUE, 5);
-
- gtk_widget_show (bsp->edit_button);
- gtk_widget_show (button);
- gtk_widget_show (bsp->delete_button);
- gtk_widget_show (util_box);
-
- /* Create the spacing scale widget */
- table = gtk_table_new (1, 2, FALSE);
- gtk_table_set_col_spacing (GTK_TABLE (table), 0, 4);
- gtk_box_pack_end (GTK_BOX (bsp->options_box), table, FALSE, FALSE, 2);
-
- bsp->spacing_data =
- GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 1.0, 1000.0, 1.0, 1.0, 0.0));
- slider = gtk_hscale_new (bsp->spacing_data);
- gtk_scale_set_value_pos (GTK_SCALE (slider), GTK_POS_TOP);
- gtk_range_set_update_policy (GTK_RANGE (slider), GTK_UPDATE_DELAYED);
- if (title && init_spacing >= 0)
- {
- /* Use passed spacing instead of brushes default */
- gtk_adjustment_set_value (GTK_ADJUSTMENT (bsp->spacing_data),
- init_spacing);
- }
- gtk_signal_connect (GTK_OBJECT (bsp->spacing_data), "value_changed",
- GTK_SIGNAL_FUNC (spacing_scale_update),
- bsp);
- gimp_table_attach_aligned (GTK_TABLE (table), 0, 0,
- _("Spacing:"), 1.0, 1.0,
- slider, 1, FALSE);
-
- gtk_widget_show (table);
-
- gtk_widget_show (bsp->options_box);
- gtk_widget_show (hbox);
- gtk_widget_show (vbox);
-
- /* add callbacks to keep the display area current */
- gimp_list_foreach (GIMP_LIST (brush_list),
- (GFunc) connect_signals_to_brush,
- bsp);
- gtk_signal_connect (GTK_OBJECT (brush_list), "add",
- GTK_SIGNAL_FUNC (brush_added_callback),
- bsp);
- gtk_signal_connect (GTK_OBJECT (brush_list), "remove",
- GTK_SIGNAL_FUNC (brush_removed_callback),
- bsp);
-
- /* Only for main dialog */
- if (!title)
- {
- /* set the preview's size in the callback
- gtk_signal_connect (GTK_OBJECT (bsp->shell), "map",
- GTK_SIGNAL_FUNC (brush_select_map_callback),
- bsp);
- */
-
- /* if we are in per-tool paint options mode, hide the paint options */
- brush_select_show_paint_options (bsp, global_paint_options);
- }
-
- gtk_widget_show (bsp->shell);
-
- preview_calc_scrollbar (bsp);
-
- gtk_signal_connect (GTK_OBJECT (bsp->context), "brush_changed",
- GTK_SIGNAL_FUNC (brush_select_brush_changed),
- bsp);
- gtk_signal_connect (GTK_OBJECT (bsp->context), "opacity_changed",
- GTK_SIGNAL_FUNC (brush_select_opacity_changed),
- bsp);
- gtk_signal_connect (GTK_OBJECT (bsp->context), "paint_mode_changed",
- GTK_SIGNAL_FUNC (brush_select_paint_mode_changed),
- bsp);
-
- if (active)
- brush_select_select (bsp, active);
-
- /* Add to active brush dialogs list */
- brush_active_dialogs = g_slist_append (brush_active_dialogs, bsp);
-
- return bsp;
- }
-
- void
- brush_select_free (BrushSelect *bsp)
- {
- if (!bsp)
- return;
-
- /* remove from active list */
- brush_active_dialogs = g_slist_remove (brush_active_dialogs, bsp);
-
- gtk_signal_disconnect_by_data (GTK_OBJECT (bsp->context), bsp);
-
- if (bsp->brush_popup != NULL)
- gtk_widget_destroy (bsp->brush_popup);
-
- if (bsp->callback_name)
- {
- g_free (bsp->callback_name);
- gtk_object_unref (GTK_OBJECT (bsp->context));
- }
-
- gimp_list_foreach (GIMP_LIST (brush_list),
- (GFunc) disconnect_signals_from_brush,
- bsp);
- gtk_signal_disconnect_by_data (GTK_OBJECT (brush_list), bsp);
-
- g_free (bsp);
- }
-
- void
- brush_select_freeze_all (void)
- {
- BrushSelect *bsp;
- GSList *list;
-
- for (list = brush_active_dialogs; list; list = g_slist_next (list))
- {
- bsp = (BrushSelect *) list->data;
-
- bsp->freeze = TRUE;
- }
- }
-
- void
- brush_select_thaw_all (void)
- {
- BrushSelect *bsp;
- GSList *list;
-
- for (list = brush_active_dialogs; list; list = g_slist_next (list))
- {
- bsp = (BrushSelect *) list->data;
-
- bsp->freeze = FALSE;
-
- preview_calc_scrollbar (bsp);
- }
- }
-
- void
- brush_select_show_paint_options (BrushSelect *bsp,
- gboolean show)
- {
- if ((bsp == NULL) && ((bsp = brush_select_dialog) == NULL))
- return;
-
- if (show)
- {
- if (! GTK_WIDGET_VISIBLE (bsp->paint_options_box))
- gtk_widget_show (bsp->paint_options_box);
-
- if (bsp->brush_selection_box->parent != bsp->left_box)
- gtk_widget_reparent (bsp->brush_selection_box, bsp->left_box);
- gtk_box_set_child_packing (GTK_BOX (bsp->options_box->parent),
- bsp->options_box,
- FALSE, FALSE, 0, GTK_PACK_START);
- gtk_box_set_child_packing (GTK_BOX (bsp->left_box->parent),
- bsp->left_box,
- TRUE, TRUE, 0, GTK_PACK_START);
- gtk_box_set_spacing (GTK_BOX (bsp->left_box->parent), 2);
- }
- else
- {
- if (GTK_WIDGET_VISIBLE (bsp->paint_options_box))
- gtk_widget_hide (bsp->paint_options_box);
-
- if (bsp->brush_selection_box->parent != bsp->right_box)
- gtk_widget_reparent (bsp->brush_selection_box, bsp->right_box);
- gtk_box_set_child_packing (GTK_BOX (bsp->left_box->parent),
- bsp->left_box,
- FALSE, FALSE, 0, GTK_PACK_START);
- gtk_box_set_child_packing (GTK_BOX (bsp->options_box->parent),
- bsp->options_box,
- TRUE, TRUE, 0, GTK_PACK_START);
- gtk_box_set_spacing (GTK_BOX (bsp->left_box->parent), 0);
- }
- }
-
- /* call this dialog's PDB callback */
-
- static void
- brush_change_callbacks (BrushSelect *bsp,
- gboolean closing)
- {
- gchar *name;
- ProcRecord *prec = NULL;
- GimpBrush *brush;
- gint nreturn_vals;
- static gboolean busy = FALSE;
-
- /* Any procs registered to callback? */
- Argument *return_vals;
-
- if (!bsp || !bsp->callback_name || busy)
- return;
-
- busy = TRUE;
- name = bsp->callback_name;
- brush = gimp_context_get_brush (bsp->context);
-
- /* If its still registered run it */
- prec = procedural_db_lookup (name);
-
- if (prec && brush)
- {
- return_vals =
- procedural_db_run_proc (name,
- &nreturn_vals,
- PDB_STRING, brush->name,
- PDB_FLOAT, gimp_context_get_opacity (bsp->context),
- PDB_INT32, bsp->spacing_value,
- PDB_INT32, (gint) gimp_context_get_paint_mode (bsp->context),
- PDB_INT32, brush->mask->width,
- PDB_INT32, brush->mask->height,
- PDB_INT32, brush->mask->width * brush->mask->height,
- PDB_INT8ARRAY, temp_buf_data (brush->mask),
- PDB_INT32, (gint) closing,
- PDB_END);
-
- if (!return_vals || return_vals[0].value.pdb_int != PDB_SUCCESS)
- g_message ("failed to run brush callback function");
-
- procedural_db_destroy_args (return_vals, nreturn_vals);
- }
- busy = FALSE;
- }
-
- /* Close active dialogs that no longer have PDB registered for them */
-
- void
- brushes_check_dialogs (void)
- {
- BrushSelect *bsp;
- GSList *list;
- gchar *name;
- ProcRecord *prec = NULL;
-
- list = brush_active_dialogs;
-
- while (list)
- {
- bsp = (BrushSelect *) list->data;
- list = g_slist_next (list);
-
- name = bsp->callback_name;
-
- if (name)
- {
- prec = procedural_db_lookup (name);
-
- if (!prec)
- {
- /* Can alter brush_active_dialogs list */
- brush_select_close_callback (NULL, bsp);
- }
- }
- }
- }
-
- /*
- * Local functions
- */
-
- static GimpBrush *
- brush_select_drag_brush (GtkWidget *widget,
- gpointer data)
- {
- BrushSelect *bsp;
-
- bsp = (BrushSelect *) data;
-
- return bsp->dnd_brush;
- }
-
- static void
- brush_select_drop_brush (GtkWidget *widget,
- GimpBrush *brush,
- gpointer data)
- {
- BrushSelect *bsp;
-
- bsp = (BrushSelect *) data;
-
- gimp_context_set_brush (bsp->context, brush);
- }
-
- static void
- brush_select_brush_changed (GimpContext *context,
- GimpBrush *brush,
- BrushSelect *bsp)
- {
- if (brush)
- {
- brush_select_select (bsp, brush);
-
- if (bsp->callback_name)
- brush_change_callbacks (bsp, FALSE);
- }
- }
-
- static void
- brush_select_opacity_changed (GimpContext *context,
- gdouble opacity,
- BrushSelect *bsp)
- {
- gtk_signal_handler_block_by_data (GTK_OBJECT (bsp->opacity_data), bsp);
- gtk_adjustment_set_value (GTK_ADJUSTMENT (bsp->opacity_data),
- opacity * 100.0);
- gtk_signal_handler_unblock_by_data (GTK_OBJECT (bsp->opacity_data), bsp);
-
- if (bsp->callback_name)
- brush_change_callbacks (bsp, FALSE);
- }
-
- static void
- brush_select_paint_mode_changed (GimpContext *context,
- LayerModeEffects paint_mode,
- BrushSelect *bsp)
- {
- gimp_option_menu_set_history (GTK_OPTION_MENU (bsp->option_menu),
- (gpointer) paint_mode);
-
- if (bsp->callback_name)
- brush_change_callbacks (bsp, FALSE);
- }
-
- static void
- brush_select_select (BrushSelect *bsp,
- GimpBrush *brush)
- {
- gint index;
- gint row, col;
- gint scroll_offset = 0;
-
- index = gimp_brush_list_get_brush_index (brush_list, brush);
-
- if (index < 0)
- return;
-
- if (GIMP_IS_BRUSH_GENERATED (brush))
- {
- gtk_widget_set_sensitive (bsp->edit_button, TRUE);
- gtk_widget_set_sensitive (bsp->delete_button, TRUE);
- }
- else
- {
- gtk_widget_set_sensitive (bsp->edit_button, FALSE);
- gtk_widget_set_sensitive (bsp->delete_button, FALSE);
- }
-
- update_active_brush_field (bsp);
-
- row = index / bsp->NUM_BRUSH_COLUMNS;
- col = index - row * (bsp->NUM_BRUSH_COLUMNS);
-
- /* check if the new active brush is already in the preview */
- if (((row + 1) * bsp->cell_height) >
- (bsp->preview->allocation.height + bsp->scroll_offset))
- {
- scroll_offset = (((row + 1) * bsp->cell_height) -
- (bsp->scroll_offset + bsp->preview->allocation.height));
- }
- else if ((row * bsp->cell_height) < bsp->scroll_offset)
- {
- scroll_offset = (row * bsp->cell_height) - bsp->scroll_offset;
- }
- else
- {
- brush_select_show_selected (bsp, row, col);
- }
-
- gtk_adjustment_set_value (bsp->sbar_data, bsp->scroll_offset + scroll_offset);
- }
-
- static void
- brush_select_brush_dirty_callback (GimpBrush *brush,
- BrushSelect *bsp)
- {
- gint index;
- gboolean redraw;
-
- if (!bsp || bsp->freeze)
- return;
-
- index = gimp_brush_list_get_brush_index (brush_list, brush);
- redraw = (brush != gimp_context_get_brush (bsp->context));
-
- clear_brush (bsp, brush,
- index % (bsp->NUM_BRUSH_COLUMNS),
- index / (bsp->NUM_BRUSH_COLUMNS));
-
- display_brush (bsp, brush,
- index % (bsp->NUM_BRUSH_COLUMNS),
- index / (bsp->NUM_BRUSH_COLUMNS),
- redraw);
- }
-
- static void
- connect_signals_to_brush (GimpBrush *brush,
- BrushSelect *bsp)
- {
- gtk_signal_connect (GTK_OBJECT (brush), "dirty",
- GTK_SIGNAL_FUNC (brush_select_brush_dirty_callback),
- bsp);
- gtk_signal_connect (GTK_OBJECT (brush), "rename",
- GTK_SIGNAL_FUNC (brush_select_brush_dirty_callback),
- bsp);
- }
-
- static void
- disconnect_signals_from_brush (GimpBrush *brush,
- BrushSelect *bsp)
- {
- if (!GTK_OBJECT_DESTROYED (brush))
- gtk_signal_disconnect_by_data (GTK_OBJECT (brush), bsp);
- }
-
- static void
- brush_added_callback (GimpBrushList *list,
- GimpBrush *brush,
- BrushSelect *bsp)
- {
- connect_signals_to_brush (brush, bsp);
-
- if (bsp->freeze)
- return;
-
- preview_calc_scrollbar (bsp);
- }
-
- static void
- brush_removed_callback (GimpBrushList *list,
- GimpBrush *brush,
- BrushSelect *bsp)
- {
- disconnect_signals_from_brush (brush, bsp);
-
- if (bsp->freeze)
- return;
-
- preview_calc_scrollbar (bsp);
- }
-
- static void
- draw_brush_popup (GtkPreview *preview,
- GimpBrush *brush,
- gint width,
- gint height)
- {
- gint x, y;
- gint brush_width, brush_height;
- gint offset_x, offset_y;
- guchar *mask, *buf, *b;
- guchar bg;
-
- brush_width = brush->mask->width;
- brush_height = brush->mask->height;
- offset_x = (width - brush_width) / 2;
- offset_y = (height - brush_height) / 2;
-
- mask = temp_buf_data (brush->mask);
- buf = g_new (guchar, 3 * width);
- memset (buf, 255, 3 * width);
-
- if (gimp_brush_get_pixmap (brush))
- {
- guchar *pixmap = temp_buf_data (gimp_brush_get_pixmap (brush));
-
- for (y = 0; y < offset_y; y++)
- gtk_preview_draw_row (preview, buf, 0, y, width);
- for (y = offset_y; y < brush_height + offset_y; y++)
- {
- b = buf + 3 * offset_x;
- for (x = 0; x < brush_width ; x++)
- {
- bg = (255 - *mask);
- *b++ = bg + (*mask * *pixmap++) / 255;
- *b++ = bg + (*mask * *pixmap++) / 255;
- *b++ = bg + (*mask * *pixmap++) / 255;
- mask++;
- }
- gtk_preview_draw_row (preview, buf, 0, y, width);
- }
- memset (buf, 255, 3 * width);
- for (y = brush_height + offset_y; y < height; y++)
- gtk_preview_draw_row (preview, buf, 0, y, width);
- }
- else
- {
- for (y = 0; y < offset_y; y++)
- gtk_preview_draw_row (preview, buf, 0, y, width);
- for (y = offset_y; y < brush_height + offset_y; y++)
- {
- b = buf + 3 * offset_x;
- for (x = 0; x < brush_width ; x++)
- {
- bg = 255 - *mask++;
- memset (b, bg, 3);
- b += 3;
- }
- gtk_preview_draw_row (preview, buf, 0, y, width);
- }
- memset (buf, 255, 3 * width);
- for (y = brush_height + offset_y; y < height; y++)
- gtk_preview_draw_row (preview, buf, 0, y, width);
- }
-
- g_free (buf);
- }
-
- typedef struct
- {
- BrushSelect *bsp;
- gint x;
- gint y;
- GimpBrush *brush;
- } popup_timeout_args_t;
-
- static gint
- brush_popup_anim_timeout (gpointer data)
- {
- popup_timeout_args_t *args = data;
- BrushSelect *bsp = args->bsp;
- GimpBrushPipe *pipe;
- GimpBrush *brush;
-
- if (bsp->brush_popup != NULL && !GTK_WIDGET_VISIBLE (bsp->brush_popup))
- {
- bsp->popup_anim_timeout_tag = 0;
- return (FALSE);
- }
-
- pipe = GIMP_BRUSH_PIPE (args->brush);
- if (++bsp->popup_pipe_index >= pipe->nbrushes)
- bsp->popup_pipe_index = 0;
- brush = GIMP_BRUSH (pipe->brushes[bsp->popup_pipe_index]);
-
- draw_brush_popup (GTK_PREVIEW (bsp->brush_preview), brush, args->x, args->y);
- gtk_widget_queue_draw (bsp->brush_preview);
-
- return (TRUE);
- }
-
- static gboolean
- brush_popup_timeout (gpointer data)
- {
- popup_timeout_args_t *args = data;
- BrushSelect *bsp = args->bsp;
- GimpBrush *brush = args->brush;
- gint x, y;
- gint x_org, y_org;
- gint scr_w, scr_h;
- gint width, height;
-
- /* timeout has gone off so our tag is now invalid */
- bsp->popup_timeout_tag = 0;
-
- /* make sure the popup exists and is not visible */
- if (bsp->brush_popup == NULL)
- {
- GtkWidget *frame;
-
- bsp->brush_popup = gtk_window_new (GTK_WINDOW_POPUP);
- gtk_window_set_policy (GTK_WINDOW (bsp->brush_popup),
- FALSE, FALSE, TRUE);
- frame = gtk_frame_new (NULL);
- gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_OUT);
- gtk_container_add (GTK_CONTAINER (bsp->brush_popup), frame);
- gtk_widget_show (frame);
- bsp->brush_preview = gtk_preview_new (GTK_PREVIEW_COLOR);
- gtk_container_add (GTK_CONTAINER (frame), bsp->brush_preview);
- gtk_widget_show (bsp->brush_preview);
- }
- else
- {
- gtk_widget_hide (bsp->brush_popup);
- }
-
- /* decide where to put the popup */
- width = brush->mask->width;
- height = brush->mask->height;
- if (GIMP_IS_BRUSH_PIPE (brush))
- {
- GimpBrushPipe *pipe = GIMP_BRUSH_PIPE (brush);
- GimpBrush *tmp_brush;
- gint i;
-
- for (i = 1; i < pipe->nbrushes; i++)
- {
- tmp_brush = GIMP_BRUSH (pipe->brushes[i]);
- width = MAX (width, tmp_brush->mask->width);
- height = MAX (height, tmp_brush->mask->height);
- }
- }
- gdk_window_get_origin (bsp->preview->window, &x_org, &y_org);
- scr_w = gdk_screen_width ();
- scr_h = gdk_screen_height ();
- x = x_org + args->x - width * 0.5;
- y = y_org + args->y - height * 0.5;
- x = (x < 0) ? 0 : x;
- y = (y < 0) ? 0 : y;
- x = (x + width > scr_w) ? scr_w - width : x;
- y = (y + height > scr_h) ? scr_h - height : y;
- gtk_preview_size (GTK_PREVIEW (bsp->brush_preview), width, height);
-
- gtk_widget_popup (bsp->brush_popup, x, y);
-
- /* Draw the brush preview */
- draw_brush_popup (GTK_PREVIEW (bsp->brush_preview), brush, width, height);
- gtk_widget_queue_draw (bsp->brush_preview);
-
- if (GIMP_IS_BRUSH_PIPE (brush) && bsp->popup_anim_timeout_tag == 0)
- {
- static popup_timeout_args_t timeout_args;
-
- timeout_args.bsp = bsp;
- timeout_args.x = width;
- timeout_args.y = height;
- timeout_args.brush = brush;
-
- bsp->popup_pipe_index = 0;
- bsp->popup_anim_timeout_tag =
- gtk_timeout_add (300, brush_popup_anim_timeout, &timeout_args);
- }
-
- return FALSE; /* don't repeat */
- }
-
- static void
- brush_popup_open (BrushSelect *bsp,
- gint x,
- gint y,
- GimpBrush *brush)
- {
- static popup_timeout_args_t popup_timeout_args;
-
- /* if we've already got a timeout scheduled, then we complain */
- g_return_if_fail (bsp->popup_timeout_tag == 0);
-
- popup_timeout_args.bsp = bsp;
- popup_timeout_args.x = x;
- popup_timeout_args.y = y;
- popup_timeout_args.brush = brush;
- bsp->popup_timeout_tag = gtk_timeout_add (POPUP_DELAY_MS,
- brush_popup_timeout,
- &popup_timeout_args);
- }
-
- static void
- brush_popup_close (BrushSelect *bsp)
- {
- if (bsp->popup_timeout_tag != 0)
- gtk_timeout_remove (bsp->popup_timeout_tag);
- bsp->popup_timeout_tag = 0;
-
- if (bsp->popup_anim_timeout_tag != 0)
- gtk_timeout_remove (bsp->popup_anim_timeout_tag);
- bsp->popup_anim_timeout_tag = 0;
-
- if (bsp->brush_popup != NULL)
- gtk_widget_hide (bsp->brush_popup);
- }
-
- static void
- display_setup (BrushSelect *bsp)
- {
- guchar * buf;
- gint i;
-
- buf = g_new (guchar, 3 * bsp->preview->allocation.width);
-
- /* Set the buffer to white */
- memset (buf, 255, bsp->preview->allocation.width * 3);
-
- /* Set the image buffer to white */
- for (i = 0; i < bsp->preview->allocation.height; i++)
- gtk_preview_draw_row (GTK_PREVIEW (bsp->preview), buf, 0, i,
- bsp->preview->allocation.width);
-
- g_free (buf);
- }
-
- static void
- clear_brush (BrushSelect *bsp,
- GimpBrush *brush,
- gint col,
- gint row)
- {
- guchar *buf;
- gint width, height;
- gint offset_x, offset_y;
- gint ystart, yend;
- gint i;
-
- width = bsp->cell_width - 2 * MARGIN_WIDTH;
- height = bsp->cell_height - 2 * MARGIN_HEIGHT;
-
- offset_x = col * bsp->cell_width + MARGIN_WIDTH;
- offset_y = row * bsp->cell_height - bsp->scroll_offset + MARGIN_HEIGHT;
-
- ystart = CLAMP (offset_y, 0, bsp->preview->allocation.height);
- yend = CLAMP (offset_y + height, 0, bsp->preview->allocation.height);
-
- buf = g_new (guchar, 3 * width);
-
- memset (buf, 255, 3 * width * sizeof (guchar));
-
- for (i = ystart; i < yend; i++)
- gtk_preview_draw_row (GTK_PREVIEW (bsp->preview), buf,
- offset_x, i, width);
- }
-
- static void
- display_brush (BrushSelect *bsp,
- GimpBrush *brush,
- gint col,
- gint row,
- gboolean redraw)
- {
- TempBuf *mask_buf, *pixmap_buf = NULL;
- guchar *mask, *buf, *b;
- guchar bg;
- gboolean scale = FALSE;
- gint cell_width, cell_height;
- gint width, height;
- gint offset_x, offset_y;
- gint yend;
- gint ystart;
- gint i, j;
-
- cell_width = bsp->cell_width - 2 * MARGIN_WIDTH;
- cell_height = bsp->cell_height - 2 * MARGIN_HEIGHT;
-
- mask_buf = gimp_brush_get_mask (brush);
- pixmap_buf = gimp_brush_get_pixmap (brush);
-
- if (mask_buf->width > cell_width || mask_buf->height > cell_height)
- {
- gdouble ratio_x = (gdouble)mask_buf->width / cell_width;
- gdouble ratio_y = (gdouble)mask_buf->height / cell_height;
-
- mask_buf = brush_scale_mask (mask_buf,
- (gdouble)(mask_buf->width) / MAX (ratio_x, ratio_y) + 0.5,
- (gdouble)(mask_buf->height) / MAX (ratio_x, ratio_y) + 0.5);
- if (pixmap_buf)
- {
- /* TODO: the scale function should scale the pixmap
- and the mask in one run */
- pixmap_buf = brush_scale_pixmap (pixmap_buf,
- mask_buf->width, mask_buf->height);
- }
- scale = TRUE;
- }
-
- /* calculate the offset into the image */
- width = (mask_buf->width > cell_width) ? cell_width : mask_buf->width;
- height = (mask_buf->height > cell_height) ? cell_height : mask_buf->height;
-
- offset_x = col * bsp->cell_width + ((cell_width - width) >> 1) + MARGIN_WIDTH;
- offset_y = row * bsp->cell_height + ((cell_height - height) >> 1) - bsp->scroll_offset + MARGIN_HEIGHT;
-
- ystart = CLAMP (offset_y, 0, bsp->preview->allocation.height);
- yend = CLAMP (offset_y + height, 0, bsp->preview->allocation.height);
-
- mask = temp_buf_data (mask_buf) + (ystart - offset_y) * mask_buf->width;
- buf = g_new (guchar, 3 * cell_width);
-
- if (pixmap_buf)
- {
- guchar *pixmap =
- temp_buf_data (pixmap_buf) + (ystart - offset_y) * mask_buf->width * 3;
-
- for (i = ystart; i < yend; i++)
- {
- b = buf;
- for (j = 0; j < width ; j++)
- {
- bg = (255 - *mask);
- *b++ = bg + (*mask * *pixmap++) / 255;
- *b++ = bg + (*mask * *pixmap++) / 255;
- *b++ = bg + (*mask * *pixmap++) / 255;
- mask++;
- }
- gtk_preview_draw_row (GTK_PREVIEW (bsp->preview), buf,
- offset_x, i, width);
- }
- }
- else
- {
- for (i = ystart; i < yend; i++)
- {
- /* Invert the mask for display. We're doing this because
- * a value of 255 in the mask means it is full intensity.
- * However, it makes more sense for full intensity to show
- * up as black in this brush preview window...
- */
- b = buf;
- for (j = 0; j < width; j++)
- {
- bg = 255 - *mask++;
- memset (b, bg, 3);
- b += 3;
- }
- gtk_preview_draw_row (GTK_PREVIEW (bsp->preview), buf,
- offset_x, i, width);
- }
- }
- g_free (buf);
-
- offset_x = (col + 1) * bsp->cell_width - indicator_width - MARGIN_WIDTH;
- offset_y = (row + 1) * bsp->cell_height - indicator_height - bsp->scroll_offset - MARGIN_HEIGHT;
-
- if (scale)
- {
- temp_buf_free (mask_buf);
- if (pixmap_buf)
- temp_buf_free (pixmap_buf);
-
- for (i = 0; i < indicator_height; i++, offset_y++)
- {
- if (offset_y > 0 && offset_y < bsp->preview->allocation.height)
- (GIMP_IS_BRUSH_PIPE (brush)) ?
- gtk_preview_draw_row (GTK_PREVIEW (bsp->preview),
- scale_pipe_indicator_bits[i][0],
- offset_x, offset_y, indicator_width) :
- gtk_preview_draw_row (GTK_PREVIEW (bsp->preview),
- scale_indicator_bits[i][0],
- offset_x, offset_y, indicator_width);
- }
- }
- else if (GIMP_IS_BRUSH_PIPE (brush))
- {
- for (i = 0; i < indicator_height; i++, offset_y++)
- {
- if (offset_y > 0 && offset_y < bsp->preview->allocation.height)
- gtk_preview_draw_row (GTK_PREVIEW (bsp->preview),
- pipe_indicator_bits[i][0],
- offset_x, offset_y, indicator_width);
- }
- }
-
- if (redraw && bsp->redraw)
- {
- GdkRectangle area;
-
- area.x = col * bsp->cell_width + MARGIN_WIDTH;
- area.y = CLAMP (row * bsp->cell_height - bsp->scroll_offset +
- MARGIN_HEIGHT,
- 0, bsp->preview->allocation.height);
- area.width = cell_width;
- area.height = CLAMP (row * bsp->cell_height - bsp->scroll_offset +
- MARGIN_HEIGHT + cell_height,
- 0, bsp->preview->allocation.height);
-
- gtk_widget_draw (bsp->preview, &area);
- }
- }
-
- static gint brush_counter = 0;
-
- static void
- do_display_brush (GimpBrush *brush,
- BrushSelect *bsp)
- {
- display_brush (bsp, brush,
- brush_counter % (bsp->NUM_BRUSH_COLUMNS),
- brush_counter / (bsp->NUM_BRUSH_COLUMNS),
- FALSE);
- brush_counter++;
- }
-
- static void
- display_brushes (BrushSelect *bsp)
- {
- if (brush_list == NULL || gimp_brush_list_length (brush_list) == 0)
- {
- gtk_widget_set_sensitive (bsp->options_box, FALSE);
- return;
- }
- else
- {
- gtk_widget_set_sensitive (bsp->options_box, TRUE);
- }
-
- /* setup the display area */
- display_setup (bsp);
-
- brush_counter = 0;
- gimp_list_foreach (GIMP_LIST (brush_list), (GFunc) do_display_brush, bsp);
- }
-
- static void
- brush_select_show_selected (BrushSelect *bsp,
- gint row,
- gint col)
- {
- GdkRectangle area;
- guchar *buf;
- gint yend;
- gint ystart;
- gint offset_x, offset_y;
- gint i;
-
- buf = g_new (guchar, 3 * bsp->cell_width);
-
- if (bsp->old_col != col || bsp->old_row != row)
- {
- /* remove the old selection */
- offset_x = bsp->old_col * bsp->cell_width;
- offset_y = bsp->old_row * bsp->cell_height - bsp->scroll_offset;
-
- ystart = CLAMP (offset_y , 0, bsp->preview->allocation.height);
- yend = CLAMP (offset_y + bsp->cell_height, 0, bsp->preview->allocation.height);
-
- /* set the buf to white */
- memset (buf, 255, 3 * bsp->cell_width);
-
- for (i = ystart; i < yend; i++)
- {
- if (i == offset_y || i == (offset_y + bsp->cell_height - 1))
- gtk_preview_draw_row (GTK_PREVIEW (bsp->preview), buf,
- offset_x, i, bsp->cell_width);
- else
- {
- gtk_preview_draw_row (GTK_PREVIEW (bsp->preview), buf,
- offset_x, i, 1);
- gtk_preview_draw_row (GTK_PREVIEW (bsp->preview), buf,
- offset_x + bsp->cell_width - 1, i, 1);
- }
- }
-
- if (bsp->redraw)
- {
- area.x = offset_x;
- area.y = ystart;
- area.width = bsp->cell_width;
- area.height = (yend - ystart);
- gtk_widget_draw (bsp->preview, &area);
- }
- }
-
- /* make the new selection */
- offset_x = col * bsp->cell_width;
- offset_y = row * bsp->cell_height - bsp->scroll_offset;
-
- ystart = CLAMP (offset_y , 0, bsp->preview->allocation.height);
- yend = CLAMP (offset_y + bsp->cell_height, 0, bsp->preview->allocation.height);
-
- /* set the buf to black */
- memset (buf, 0, bsp->cell_width * 3);
-
- for (i = ystart; i < yend; i++)
- {
- if (i == offset_y || i == (offset_y + bsp->cell_height - 1))
- gtk_preview_draw_row (GTK_PREVIEW (bsp->preview),
- buf, offset_x, i, bsp->cell_width);
- else
- {
- gtk_preview_draw_row (GTK_PREVIEW (bsp->preview), buf,
- offset_x, i, 1);
- gtk_preview_draw_row (GTK_PREVIEW (bsp->preview), buf,
- offset_x + bsp->cell_width - 1, i, 1);
- }
- }
-
- if (bsp->redraw)
- {
- area.x = offset_x;
- area.y = ystart;
- area.width = bsp->cell_width;
- area.height = (yend - ystart);
- gtk_widget_draw (bsp->preview, &area);
- }
-
- bsp->old_row = row;
- bsp->old_col = col;
-
- g_free (buf);
- }
-
- static void
- update_active_brush_field (BrushSelect *bsp)
- {
- GimpBrush *brush;
- gchar buf[32];
-
- brush = gimp_context_get_brush (bsp->context);
-
- if (!brush)
- return;
-
- /* Set brush name */
- gtk_label_set_text (GTK_LABEL (bsp->brush_name), brush->name);
-
- /* Set brush size */
- g_snprintf (buf, sizeof (buf), "(%d x %d)",
- brush->mask->width, brush->mask->height);
- gtk_label_set_text (GTK_LABEL (bsp->brush_size), buf);
-
- /* Set brush spacing */
- gtk_adjustment_set_value (GTK_ADJUSTMENT (bsp->spacing_data),
- gimp_brush_get_spacing (brush));
- }
-
- static void
- preview_calc_scrollbar (BrushSelect *bsp)
- {
- gint num_rows;
- gint page_size;
- gint max;
-
- bsp->scroll_offset = 0;
- num_rows = ((gimp_brush_list_length (brush_list) +
- (bsp->NUM_BRUSH_COLUMNS) - 1)
- / (bsp->NUM_BRUSH_COLUMNS));
- max = num_rows * bsp->cell_width;
- if (!num_rows)
- num_rows = 1;
- page_size = bsp->preview->allocation.height;
-
- bsp->sbar_data->value = bsp->scroll_offset;
- bsp->sbar_data->upper = max;
- bsp->sbar_data->page_size = ((page_size < max) ? page_size : max);
- bsp->sbar_data->page_increment = (page_size >> 1);
- bsp->sbar_data->step_increment = bsp->cell_width;
-
- gtk_signal_emit_by_name (GTK_OBJECT (bsp->sbar_data), "changed");
- gtk_signal_emit_by_name (GTK_OBJECT (bsp->sbar_data), "value_changed");
- }
-
- static gint
- brush_select_resize (GtkWidget *widget,
- GdkEvent *event,
- BrushSelect *bsp)
- {
- /* calculate the best-fit approximation... */
- gint wid;
- gint now;
- gint cell_size;
-
- wid = widget->allocation.width;
-
- for (now = cell_size = MIN_CELL_SIZE;
- now < MAX_CELL_SIZE; ++now)
- {
- if ((wid % now) < (wid % cell_size)) cell_size = now;
- if ((wid % cell_size) == 0)
- break;
- }
-
- bsp->NUM_BRUSH_COLUMNS =
- (gint) (wid / cell_size);
- bsp->NUM_BRUSH_ROWS =
- (gint) ((gimp_brush_list_length (brush_list) + bsp->NUM_BRUSH_COLUMNS - 1) /
- bsp->NUM_BRUSH_COLUMNS);
-
- bsp->cell_width = cell_size;
- bsp->cell_height = cell_size;
-
- /* recalculate scrollbar extents */
- preview_calc_scrollbar (bsp);
-
- return FALSE;
- }
-
- static gint
- brush_select_events (GtkWidget *widget,
- GdkEvent *event,
- BrushSelect *bsp)
- {
- GdkEventButton *bevent;
- GimpBrush *brush;
- gint row, col, index;
-
- switch (event->type)
- {
- case GDK_EXPOSE:
- break;
-
- case GDK_2BUTTON_PRESS:
- bevent = (GdkEventButton *) event;
- col = bevent->x / bsp->cell_width;
- row = (bevent->y + bsp->scroll_offset) / bsp->cell_height;
- index = row * bsp->NUM_BRUSH_COLUMNS + col;
-
- /* Get the brush and check if it is editable */
- brush = gimp_brush_list_get_brush_by_index (brush_list, index);
- if (GIMP_IS_BRUSH_GENERATED (brush))
- brush_select_edit_brush_callback (NULL, bsp);
- break;
-
- case GDK_BUTTON_PRESS:
- bevent = (GdkEventButton *) event;
-
- col = bevent->x / bsp->cell_width;
- row = (bevent->y + bsp->scroll_offset) / bsp->cell_height;
- index = row * bsp->NUM_BRUSH_COLUMNS + col;
-
- brush = gimp_brush_list_get_brush_by_index (brush_list, index);
-
- if (brush)
- bsp->dnd_brush = brush;
- else
- bsp->dnd_brush = gimp_context_get_brush (bsp->context);
-
- if (bevent->button == 1)
- {
- /* Get the brush and display the popup brush preview */
- if (brush)
- {
- gdk_pointer_grab (bsp->preview->window, FALSE,
- (GDK_POINTER_MOTION_HINT_MASK |
- GDK_BUTTON1_MOTION_MASK |
- GDK_BUTTON_RELEASE_MASK),
- NULL, NULL, bevent->time);
-
- /* Make this brush the active brush */
- gimp_context_set_brush (bsp->context, brush);
-
- /* only if dialog is main one */
- if (bsp == brush_select_dialog &&
- brush_edit_generated_dialog)
- {
- brush_edit_generated_set_brush (brush_edit_generated_dialog,
- brush);
- }
-
- /* Show the brush popup window if the brush is too large */
- if (brush->mask->width > bsp->cell_width - 2 * MARGIN_WIDTH ||
- brush->mask->height > bsp->cell_height - 2 * MARGIN_HEIGHT ||
- GIMP_IS_BRUSH_PIPE (brush))
- {
- brush_popup_open (bsp, bevent->x, bevent->y, brush);
- }
- }
- }
-
- /* wheelmouse support */
- else if (bevent->button == 4)
- {
- GtkAdjustment *adj = bsp->sbar_data;
- gfloat new_value = adj->value - adj->page_increment / 2;
- new_value =
- CLAMP (new_value, adj->lower, adj->upper - adj->page_size);
- gtk_adjustment_set_value (adj, new_value);
- }
- else if (bevent->button == 5)
- {
- GtkAdjustment *adj = bsp->sbar_data;
- gfloat new_value = adj->value + adj->page_increment / 2;
- new_value =
- CLAMP (new_value, adj->lower, adj->upper - adj->page_size);
- gtk_adjustment_set_value (adj, new_value);
- }
-
- break;
-
- case GDK_BUTTON_RELEASE:
- bevent = (GdkEventButton *) event;
-
- if (bevent->button == 1)
- {
- /* Ungrab the pointer */
- gdk_pointer_ungrab (bevent->time);
-
- /* Close the brush popup window */
- brush_popup_close (bsp);
- }
- break;
-
- case GDK_DELETE:
- /* g_warning ("test"); */
- break;
-
- default:
- break;
- }
-
- return FALSE;
- }
-
- /* Disabled until I've figured out how gtk window resizing *really* works.
- * I don't think that the function below is the correct way to do it
- * -- Michael
- *
- static void
- brush_select_map_callback (GtkWidget *widget,
- BrushSelect *bsp)
- {
- GtkAllocation allocation;
- gint xdiff, ydiff;
-
- xdiff =
- bsp->shell->allocation.width - bsp->preview->allocation.width;
- ydiff =
- bsp->shell->allocation.height - bsp->preview->allocation.height;
-
- allocation = bsp->shell->allocation;
- allocation.width = brush_select_session_info.width + xdiff;
- allocation.height = brush_select_session_info.height + ydiff;
-
- gtk_widget_size_allocate (bsp->shell, &allocation);
- }
- */
-
- static void
- brush_select_scroll_update (GtkAdjustment *adjustment,
- gpointer data)
- {
- BrushSelect *bsp;
- GimpBrush *active;
- gint row, col, index;
-
- bsp = (BrushSelect *) data;
-
- if (bsp)
- {
- bsp->scroll_offset = adjustment->value;
-
- display_brushes (bsp);
-
- active = gimp_context_get_brush (bsp->context);
-
- if (active)
- {
- index = gimp_brush_list_get_brush_index (brush_list, active);
- if (index < 0)
- return;
- row = index / bsp->NUM_BRUSH_COLUMNS;
- col = index - row * bsp->NUM_BRUSH_COLUMNS;
-
- brush_select_show_selected (bsp, row, col);
- }
-
- if (bsp->redraw)
- gtk_widget_draw (bsp->preview, NULL);
- }
- }
-
- static void
- opacity_scale_update (GtkAdjustment *adjustment,
- gpointer data)
- {
- BrushSelect *bsp;
-
- bsp = (BrushSelect *) data;
-
- gtk_signal_handler_block_by_data (GTK_OBJECT (bsp->context), data);
- gimp_context_set_opacity (bsp->context, adjustment->value / 100.0);
- gtk_signal_handler_unblock_by_data (GTK_OBJECT (bsp->context), data);
- }
-
- static void
- paint_mode_menu_callback (GtkWidget *widget,
- gpointer data)
- {
- LayerModeEffects paint_mode;
- BrushSelect *bsp;
-
- paint_mode = (LayerModeEffects) gtk_object_get_user_data (GTK_OBJECT (widget));
- bsp = (BrushSelect *) data;
-
- gimp_context_set_paint_mode (((BrushSelect *) data)->context, paint_mode);
- }
-
- static void
- spacing_scale_update (GtkAdjustment *adjustment,
- gpointer data)
- {
- BrushSelect *bsp;
-
- bsp = (BrushSelect *) data;
-
- if (bsp == brush_select_dialog)
- {
- gimp_brush_set_spacing (gimp_context_get_brush (bsp->context),
- (gint) adjustment->value);
- }
- else
- {
- if (bsp->spacing_value != adjustment->value)
- {
- bsp->spacing_value = adjustment->value;
- brush_change_callbacks (bsp, FALSE);
- }
- }
- }
-
- static void
- brush_select_close_callback (GtkWidget *widget,
- gpointer data)
- {
- BrushSelect *bsp;
-
- bsp = (BrushSelect *) data;
-
- if (GTK_WIDGET_VISIBLE (bsp->shell))
- gtk_widget_hide (bsp->shell);
-
- /* Free memory if poping down dialog which is not the main one */
- if (bsp != brush_select_dialog)
- {
- /* Send data back */
- brush_change_callbacks (bsp, TRUE);
- gtk_widget_destroy (bsp->shell);
- brush_select_free (bsp);
- }
- }
-
- static void
- brush_select_refresh_callback (GtkWidget *widget,
- gpointer data)
- {
- /* re-init the brush list */
- brushes_init (FALSE);
- }
-
- static void
- brush_select_new_brush_callback (GtkWidget *widget,
- gpointer data)
- {
- GimpBrush *brush;
- BrushSelect *bsp;
-
- bsp = (BrushSelect *) data;
-
- brush = gimp_brush_generated_new (10, .5, 0.0, 1.0);
- if (brush)
- {
- gimp_brush_list_add (brush_list, brush);
-
- gimp_context_set_brush (bsp->context, brush);
-
- if (brush_edit_generated_dialog)
- brush_edit_generated_set_brush (brush_edit_generated_dialog, brush);
- }
-
- brush_select_edit_brush_callback (widget, data);
- }
-
- static void
- brush_select_edit_brush_callback (GtkWidget *widget,
- gpointer data)
- {
- BrushSelect *bsp;
- GimpBrush *brush;
-
- bsp = (BrushSelect *) data;
- brush = gimp_context_get_brush (bsp->context);
-
- if (GIMP_IS_BRUSH_GENERATED (brush))
- {
- if (!brush_edit_generated_dialog)
- {
- /* Create the dialog... */
- brush_edit_generated_dialog = brush_edit_generated_new ();
- brush_edit_generated_set_brush (brush_edit_generated_dialog, brush);
- }
- else
- {
- /* Popup the dialog */
- if (!GTK_WIDGET_VISIBLE (brush_edit_generated_dialog->shell))
- gtk_widget_show (brush_edit_generated_dialog->shell);
- else
- gdk_window_raise (brush_edit_generated_dialog->shell->window);
- }
- }
- else
- /* this should never happen */
- g_message (_("Sorry, this brush can't be edited."));
- }
-
- static void
- brush_select_delete_brush_callback (GtkWidget *widget,
- gpointer data)
- {
- BrushSelect *bsp;
- GimpBrush *brush;
-
- bsp = (BrushSelect *) data;
- brush = gimp_context_get_brush (bsp->context);
-
- if (GIMP_IS_BRUSH_GENERATED (brush))
- {
- gint index;
-
- gimp_brush_generated_delete (GIMP_BRUSH_GENERATED (brush));
-
- brush_select_freeze_all ();
-
- index = gimp_brush_list_get_brush_index (brush_list, brush);
- gimp_brush_list_remove (brush_list, GIMP_BRUSH (brush));
- gimp_context_refresh_brushes ();
-
- brush_select_thaw_all ();
- }
- else
- /* this should never happen */
- g_message (_("Sorry, this brush can't be deleted."));
- }
-