/* 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 #include "libgimpwidgets/gimpwidgets.h" #include "tools-types.h" #include "core/gimpchannel.h" #include "core/gimpchannel-select.h" #include "core/gimplayer-floating-sel.h" #include "core/gimpimage.h" #include "core/gimptoolinfo.h" #include "core/gimp-utils.h" #include "widgets/gimpdialogfactory.h" #include "widgets/gimphelp-ids.h" #include "widgets/gimpviewabledialog.h" #include "widgets/gimpwidgets-utils.h" #include "display/gimpcanvas.h" #include "display/gimpdisplay.h" #include "display/gimpdisplayshell.h" #include "display/gimpdisplayshell-transform.h" #include "gimpselectiontool.h" #include "gimpselectionoptions.h" #include "gimprectangletool.h" #include "gimprectangleoptions.h" #include "gimpnewrectselecttool.h" #include "gimptoolcontrol.h" #include "gimp-intl.h" static void gimp_new_rect_select_tool_class_init (GimpNewRectSelectToolClass *klass); static void gimp_new_rect_select_tool_init (GimpNewRectSelectTool *rect_tool); static void gimp_new_rect_select_tool_button_press (GimpTool *tool, GimpCoords *coords, guint32 time, GdkModifierType state, GimpDisplay *gdisp); static void gimp_new_rect_select_tool_modifier_key (GimpTool *tool, GdkModifierType key, gboolean press, GdkModifierType state, GimpDisplay *gdisp); static void gimp_new_rect_select_tool_cursor_update (GimpTool *tool, GimpCoords *coords, GdkModifierType state, GimpDisplay *gdisp); static gboolean gimp_new_rect_select_tool_execute (GimpRectangleTool *rect_tool, gint x, gint y, gint w, gint h); static GimpDrawToolClass *parent_class = NULL; /* public functions */ void gimp_new_rect_select_tool_register (GimpToolRegisterCallback callback, gpointer data) { (* callback) (GIMP_TYPE_NEW_RECT_SELECT_TOOL, GIMP_TYPE_RECTANGLE_OPTIONS, gimp_rectangle_options_gui, 0, "gimp-new-rect-select-tool", _("New Rect Select"), _("Select a Rectangular part of an image"), N_("_New Rect Select"), NULL, NULL, GIMP_HELP_TOOL_RECT_SELECT, GIMP_STOCK_TOOL_RECT_SELECT, data); } GType gimp_new_rect_select_tool_get_type (void) { static GType tool_type = 0; if (! tool_type) { static const GTypeInfo tool_info = { sizeof (GimpNewRectSelectToolClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) gimp_new_rect_select_tool_class_init, NULL, /* class_finalize */ NULL, /* class_data */ sizeof (GimpNewRectSelectTool), 0, /* n_preallocs */ (GInstanceInitFunc) gimp_new_rect_select_tool_init, }; tool_type = g_type_register_static (GIMP_TYPE_RECTANGLE_TOOL, "GimpNewRectSelectTool", &tool_info, 0); } return tool_type; } static void gimp_new_rect_select_tool_class_init (GimpNewRectSelectToolClass *klass) { GimpToolClass *tool_class = GIMP_TOOL_CLASS (klass); GimpRectangleToolClass *rect_class = GIMP_RECTANGLE_TOOL_CLASS (klass); parent_class = g_type_class_peek_parent (klass); tool_class->button_press = gimp_new_rect_select_tool_button_press; tool_class->modifier_key = gimp_new_rect_select_tool_modifier_key; tool_class->cursor_update = gimp_new_rect_select_tool_cursor_update; rect_class->execute = gimp_new_rect_select_tool_execute; } static void gimp_new_rect_select_tool_init (GimpNewRectSelectTool *new_rect_select_tool) { GimpTool *tool = GIMP_TOOL (new_rect_select_tool); GimpRectangleTool *rectangle = GIMP_RECTANGLE_TOOL (new_rect_select_tool); gimp_tool_control_set_tool_cursor (tool->control, GIMP_TOOL_CURSOR_RECT_SELECT); rectangle->selection_tool = TRUE; } static void gimp_new_rect_select_tool_button_press (GimpTool *tool, GimpCoords *coords, guint32 time, GdkModifierType state, GimpDisplay *gdisp) { GimpSelectionTool *sel_tool = GIMP_SELECTION_TOOL (tool); GIMP_TOOL_CLASS (parent_class)->button_press (tool, coords, time, state, gdisp); if (gimp_selection_tool_start_edit (sel_tool, coords)) { gimp_draw_tool_stop (GIMP_DRAW_TOOL (tool)); return; } } static void gimp_new_rect_select_tool_modifier_key (GimpTool *tool, GdkModifierType key, gboolean press, GdkModifierType state, GimpDisplay *gdisp) { } static void gimp_new_rect_select_tool_cursor_update (GimpTool *tool, GimpCoords *coords, GdkModifierType state, GimpDisplay *gdisp) { gimp_tool_control_set_tool_cursor (tool->control, GIMP_TOOL_CURSOR_RECT_SELECT); GIMP_TOOL_CLASS (parent_class)->cursor_update (tool, coords, state, gdisp); } /* * This function is called if the user clicks and releases the left * button without moving it. There are five things we might want * to do here: * 1) If there is a floating selection, we anchor it. * 2) If there is an existing rectangle and we are inside it, we * convert it into a selection. * 3) If there is an existing rectangle and we are outside it, we * clear it. * 4) If there is no rectangle and we are inside the selection, we * create a rectangle from the selection bounds. * 5) If there is no rectangle and we are outside the selection, * we clear the selection. */ static gboolean gimp_new_rect_select_tool_execute (GimpRectangleTool *rectangle, gint x, gint y, gint w, gint h) { GimpTool *tool = GIMP_TOOL (rectangle); GimpSelectionOptions *options; GimpImage *gimage; gboolean rectangle_exists; gboolean selected; gint val; GimpChannel *selection_mask; options = GIMP_SELECTION_OPTIONS (tool->tool_info->tool_options); gimage = tool->gdisp->gimage; selection_mask = gimp_image_get_mask (gimage); rectangle_exists = (w > 0 && h > 0); /* If there is a floating selection, anchor it */ if (gimp_image_floating_sel (gimage)) { floating_sel_anchor (gimp_image_floating_sel (gimage)); return FALSE; } /* if rectangle exists, turn it into a selection */ if (rectangle_exists) { GimpChannel *selection_mask = gimp_image_get_mask (gimage); gimp_channel_select_rectangle (selection_mask, x, y, w, h, options->operation, options->feather, options->feather_radius, options->feather_radius); return TRUE; } val = gimp_channel_value (selection_mask, rectangle->pressx, rectangle->pressy); selected = (val > 127); /* if point clicked is inside selection, set rectangle to */ /* selection bounds. */ if (selected) { if (! gimp_channel_bounds (selection_mask, &rectangle->x1, &rectangle->y1, &rectangle->x2, &rectangle->y2)) { rectangle->x1 = 0; rectangle->y1 = 0; rectangle->x2 = gimage->width; rectangle->y2 = gimage->height; } return FALSE; } /* otherwise clear the selection */ gimp_channel_clear (selection_mask, NULL, TRUE); return TRUE; }