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PIKApp/plug-ins/gfig/gfig-dialog.c

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/*
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This is a plug-in for PIKA.
*
* Generates images containing vector type drawings.
*
* Copyright (C) 1997 Andy Thomas alt@picnic.demon.co.uk
*
* 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 <stdlib.h>
#include <string.h>
#include <errno.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <glib.h>
#ifdef G_OS_WIN32
#include <libpikabase/pikawin32-io.h>
#endif
#include <libpika/pika.h>
#include <libpika/pikaui.h>
#include "libpika/stdplugins-intl.h"
#include "gfig.h"
#include "gfig-style.h"
#include "gfig-dialog.h"
#include "gfig-arc.h"
#include "gfig-bezier.h"
#include "gfig-circle.h"
#include "gfig-dobject.h"
#include "gfig-ellipse.h"
#include "gfig-grid.h"
#include "gfig-icons.h"
#include "gfig-line.h"
#include "gfig-poly.h"
#include "gfig-preview.h"
#include "gfig-rectangle.h"
#include "gfig-spiral.h"
#include "gfig-star.h"
#define SEL_BUTTON_WIDTH 100
#define SEL_BUTTON_HEIGHT 20
#define GRID_TYPE_MENU 1
#define GRID_RENDER_MENU 2
#define PAINT_BGS_MENU 2
#define PAINT_TYPE_MENU 3
#define OBJ_SELECT_GT 1
#define OBJ_SELECT_LT 2
#define OBJ_SELECT_EQ 4
#define UPDATE_DELAY 300 /* From GtkRange in GTK+ 2.22 */
/* Globals */
gint undo_level; /* Last slot filled in -1 = no undo */
GList *undo_table[MAX_UNDO];
/* Values when first invoked */
SelectItVals selvals =
{
{
MIN_GRID + (MAX_GRID - MIN_GRID)/2, /* Gridspacing */
RECT_GRID, /* Default to rectangle type */
FALSE, /* drawgrid */
FALSE, /* snap2grid */
FALSE, /* lockongrid */
TRUE, /* show control points */
0.0, /* grid_radius_min */
10.0, /* grid_radius_interval */
0.0, /* grid_rotation */
5.0, /* grid_granularity */
120 /* grid_sectors_desired */
},
FALSE, /* show image */
MIN_UNDO + (MAX_UNDO - MIN_UNDO)/2, /* Max level of undos */
TRUE, /* Show pos updates */
0.0, /* Brush fade */
0.0, /* Brush gradient */
20.0, /* Air brush pressure */
ORIGINAL_LAYER, /* Draw all objects on one layer */
LAYER_TRANS_BG, /* New layers background */
PAINT_BRUSH_TYPE, /* Default to use brushes */
FALSE, /* reverse lines */
TRUE, /* Scale to image when painting */
1.0, /* Scale to image fp */
BRUSH_BRUSH_TYPE, /* Default to use a brush */
LINE /* Initial object type */
};
selection_option selopt =
{
PIKA_CHANNEL_OP_ADD, /* type */
FALSE, /* Antia */
FALSE, /* Feather */
10.0, /* feather radius */
ARC_SEGMENT, /* Arc as a segment */
FILL_PATTERN, /* Fill as pattern */
100.0, /* Max opacity */
};
/* Should be kept in sync with GfigOpts */
typedef struct
{
GtkWidget *gridspacing;
GtkWidget *grid_sectors_desired;
GtkWidget *grid_radius_interval;
GtkWidget *gridtypemenu;
GtkWidget *drawgrid;
GtkWidget *snap2grid;
GtkWidget *lockongrid;
GtkWidget *showcontrol;
} GfigOptWidgets;
static GfigOptWidgets gfig_opt_widget = { NULL, NULL, NULL, NULL, NULL, NULL };
static gchar *gfig_path = NULL;
static GtkWidget *page_menu_bg;
static GtkWidget *tool_options_notebook;
static GtkWidget *fill_type_notebook;
static guint paint_timeout = 0;
static void shape_change_state (GSimpleAction *action,
GVariant *new_state,
gpointer user_data);
static void gfig_response (GtkWidget *widget,
gint response_id,
gpointer data);
static void gfig_load_action (GSimpleAction *action,
GVariant *parameter,
gpointer user_data);
static void gfig_save_action (GSimpleAction *action,
GVariant *parameter,
gpointer user_data);
static void gfig_list_load_all (const gchar *path);
static void gfig_list_free_all (void);
static void create_notebook_pages (GtkWidget *notebook);
static void select_filltype_callback (GtkWidget *widget);
static void gfig_close_action (GSimpleAction *action,
GVariant *parameter,
gpointer user_data);
static void gfig_undo_action (GSimpleAction *action,
GVariant *parameter,
gpointer user_data);
static void gfig_clear_action (GSimpleAction *action,
GVariant *parameter,
gpointer user_data);
static void gfig_grid_action (GSimpleAction *action,
GVariant *parameter,
gpointer user_data);
static void gfig_prefs_action (GSimpleAction *action,
GVariant *parameter,
gpointer user_data);
static void toggle_show_image (void);
static void gridtype_combo_callback (GtkWidget *widget,
gpointer data);
static void load_file_chooser_response (GtkFileChooser *chooser,
gint response_id,
gpointer data);
static void save_file_chooser_response (GtkFileChooser *chooser,
gint response_id,
GFigObj *obj);
static void paint_combo_callback (GtkWidget *widget,
gpointer data);
static void select_button_clicked (gint type);
static void select_button_clicked_lt (GSimpleAction *action,
GVariant *parameter,
gpointer user_data);
static void select_button_clicked_gt (GSimpleAction *action,
GVariant *parameter,
gpointer user_data);
static void select_button_clicked_eq (GSimpleAction *action,
GVariant *parameter,
gpointer user_data);
static void raise_selected_obj_to_top (GSimpleAction *action,
GVariant *parameter,
gpointer user_data);
static void lower_selected_obj_to_bottom (GSimpleAction *action,
GVariant *parameter,
gpointer user_data);
static void raise_selected_obj (GSimpleAction *action,
GVariant *parameter,
gpointer user_data);
static void lower_selected_obj (GSimpleAction *action,
GVariant *parameter,
gpointer user_data);
static void toggle_obj_type (DobjType new_type);
static void gfig_scale_entry_update_double (PikaLabelSpin *entry,
gdouble *value);
static void gfig_scale_entry_update_int (PikaLabelSpin *entry,
gint *value);
/* GAction helper methods */
static GtkWidget * add_tool_button (GtkWidget *toolbar,
const char *action,
const char *icon,
const char *label,
const char *tooltip);
static GtkWidget * add_toggle_button (GtkWidget *toolbar,
const char *action,
const char *icon,
const char *label,
const char *tooltip);
static void add_tool_separator (GtkWidget *toolbar,
gboolean expand);
static const GActionEntry ACTIONS[] =
{
/* Sub-menu options */
{ "open", gfig_load_action },
{ "save", gfig_save_action },
{ "close", gfig_close_action },
{ "undo", gfig_undo_action },
{ "clear", gfig_clear_action },
{ "grid", gfig_grid_action },
{ "preferences", gfig_prefs_action },
/* Toolbar buttons */
{ "raise", raise_selected_obj },
{ "lower", lower_selected_obj },
{ "top", raise_selected_obj_to_top },
{ "bottom", lower_selected_obj_to_bottom },
{ "show-prev", select_button_clicked_lt },
{ "show-next", select_button_clicked_gt },
{ "show-all", select_button_clicked_eq },
/* RadioButtons - only the default state is shown here. */
{ "shape", shape_change_state, "s", "'line'", NULL },
};
gboolean
gfig_dialog (PikaGfig *gfig)
{
GAction *action;
GtkWidget *main_hbox;
GtkWidget *vbox;
GFigObj *gfig_obj;
PikaParasite *parasite;
PikaLayer *newlayer;
GtkWidget *menubar;
GMenuModel *model;
GtkWidget *toolbar;
GtkWidget *combo;
GtkWidget *frame;
gint img_width;
gint img_height;
PikaImageType img_type;
GtkWidget *toggle;
GtkWidget *right_vbox;
GtkWidget *hbox;
GtkWidget *empty_label;
gchar *path;
pika_ui_init (PLUG_IN_BINARY);
img_width = pika_drawable_get_width (gfig_context->drawable);
img_height = pika_drawable_get_height (gfig_context->drawable);
img_type = pika_drawable_type_with_alpha (gfig_context->drawable);
/*
* See if there is a "gfig" parasite. If so, this is a gfig layer,
* and we start by clearing it to transparent.
* If not, we create a new transparent layer.
*/
gfig_list = NULL;
undo_level = -1;
parasite = pika_item_get_parasite (PIKA_ITEM (gfig_context->drawable), "gfig");
gfig_context->enable_repaint = FALSE;
/* debug */
gfig_context->debug_styles = FALSE;
/* initial default style */
gfig_read_pika_style (&gfig_context->default_style, "Base");
gfig_context->default_style.paint_type = selvals.painttype;
if (parasite)
{
pika_drawable_fill (gfig_context->drawable, PIKA_FILL_TRANSPARENT);
gfig_context->using_new_layer = FALSE;
pika_parasite_free (parasite);
}
else
{
newlayer = pika_layer_new (gfig_context->image, "GFig",
img_width, img_height,
img_type,
100.0,
pika_image_get_default_new_layer_mode (gfig_context->image));
pika_drawable_fill (PIKA_DRAWABLE (newlayer), PIKA_FILL_TRANSPARENT);
pika_image_insert_layer (gfig_context->image, newlayer, NULL, -1);
gfig_context->drawable = PIKA_DRAWABLE (newlayer);
gfig_context->using_new_layer = TRUE;
}
gfig_icons_init ();
path = pika_pikarc_query ("gfig-path");
if (path)
{
gfig_path = g_filename_from_utf8 (path, -1, NULL, NULL, NULL);
g_free (path);
}
else
{
GFile *pikarc = pika_directory_file ("pikarc", NULL);
gchar *full_path = pika_config_build_data_path ("gfig");
gchar *esc_path = g_strescape (full_path, NULL);
g_free (full_path);
g_message (_("No %s in pikarc:\n"
"You need to add an entry like\n"
"(%s \"%s\")\n"
"to your %s file."),
"gfig-path", "gfig-path", esc_path,
pika_file_get_utf8_name (pikarc));
g_object_unref (pikarc);
g_free (esc_path);
}
/* Start building the dialog up */
gfig->top_level_dlg = pika_dialog_new (_("Gfig"), PLUG_IN_ROLE,
NULL, 0,
pika_standard_help_func, PLUG_IN_PROC,
_("_Cancel"), GTK_RESPONSE_CANCEL,
_("_Close"), GTK_RESPONSE_OK,
NULL);
gtk_window_set_application (GTK_WINDOW (gfig->top_level_dlg), gfig->app);
pika_window_set_transient (GTK_WINDOW (gfig->top_level_dlg));
pika_dialog_set_alternative_button_order (GTK_DIALOG (gfig->top_level_dlg),
GTK_RESPONSE_OK,
GTK_RESPONSE_CANCEL,
-1);
g_signal_connect (gfig->top_level_dlg, "response",
G_CALLBACK (gfig_response),
gfig);
/* build the menu */
g_action_map_add_action_entries (G_ACTION_MAP (gfig->app),
ACTIONS, G_N_ELEMENTS (ACTIONS),
gfig);
model = G_MENU_MODEL (gtk_builder_get_object (gfig->builder, "gfig-menubar"));
menubar = gtk_menu_bar_new_from_model (model);
gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (gfig->top_level_dlg))),
menubar, FALSE, FALSE, 0);
gtk_widget_show (menubar);
toolbar = gtk_toolbar_new ();
add_toggle_button (toolbar, "app.shape::line", GFIG_ICON_LINE,
_("Line"), _("Create line"));
add_toggle_button (toolbar, "app.shape::rectangle", GFIG_ICON_RECTANGLE,
_("Rectangle"), _("Create rectangle"));
add_toggle_button (toolbar, "app.shape::circle", GFIG_ICON_CIRCLE,
_("Circle"), _("Create circle"));
add_toggle_button (toolbar, "app.shape::ellipse", GFIG_ICON_ELLIPSE,
_("Ellipse"), _("Create ellipse"));
add_toggle_button (toolbar, "app.shape::arc", GFIG_ICON_CURVE,
_("Arc"), _("Create arc"));
add_toggle_button (toolbar, "app.shape::polygon", GFIG_ICON_POLYGON,
_("Polygon"), _("Create reg polygon"));
add_toggle_button (toolbar, "app.shape::star", GFIG_ICON_STAR,
_("Star"), _("Create star"));
add_toggle_button (toolbar, "app.shape::spiral", GFIG_ICON_SPIRAL,
_("Spiral"), _("Create spiral"));
add_toggle_button (toolbar, "app.shape::bezier", GFIG_ICON_BEZIER,
_("Bezier"), _("Create bezier curve. "
"Shift + Button ends object creation."));
add_toggle_button (toolbar, "app.shape::move-obj", GFIG_ICON_MOVE_OBJECT,
_("Move Object"), _("Move an object"));
add_toggle_button (toolbar, "app.shape::move-point", GFIG_ICON_MOVE_POINT,
_("Move Point"), _("Move a single point"));
add_toggle_button (toolbar, "app.shape::copy", GFIG_ICON_COPY_OBJECT,
_("Copy"), _("Copy an object"));
add_toggle_button (toolbar, "app.shape::delete", GFIG_ICON_DELETE_OBJECT,
_("Delete"), _("Delete an object"));
add_toggle_button (toolbar, "app.shape::select", GFIG_ICON_SELECT_OBJECT,
_("Select"), _("Select an object"));
add_tool_separator (toolbar, FALSE);
add_tool_button (toolbar, "app.raise", PIKA_ICON_GO_UP,
_("Raise"), _("Raise selected object"));
add_tool_button (toolbar, "app.lower", PIKA_ICON_GO_DOWN,
_("Lower"), _("Lower selected object"));
add_tool_button (toolbar, "app.raise", PIKA_ICON_GO_TOP,
_("To Top"), _("Raise selected object to top"));
add_tool_button (toolbar, "app.lower", PIKA_ICON_GO_BOTTOM,
_("To Bottom"), _("Lower selected object to bottom"));
add_tool_separator (toolbar, FALSE);
add_tool_button (toolbar, "app.show-prev", PIKA_ICON_GO_PREVIOUS,
_("Show Previous"), _("Show previous object"));
add_tool_button (toolbar, "app.show-next", PIKA_ICON_GO_NEXT,
_("Show Next"), _("Show next object"));
add_tool_button (toolbar, "app.show-all", GFIG_ICON_SHOW_ALL,
_("Show All"), _("Show all objects"));
gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (gfig->top_level_dlg))),
toolbar, FALSE, FALSE, 0);
gtk_widget_show (toolbar);
action = g_action_map_lookup_action (G_ACTION_MAP (gfig->app), "undo");
g_simple_action_set_enabled (G_SIMPLE_ACTION (action),
undo_level >= 0);
/* Main box */
main_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12);
gtk_container_set_border_width (GTK_CONTAINER (main_hbox), 12);
gtk_box_pack_end (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (gfig->top_level_dlg))),
main_hbox, TRUE, TRUE, 0);
/* Preview itself */
gtk_box_pack_start (GTK_BOX (main_hbox), make_preview (gfig), FALSE, FALSE, 0);
gtk_widget_show (gfig_context->preview);
right_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
gtk_widget_set_hexpand (right_vbox, FALSE);
gtk_widget_set_halign (right_vbox, GTK_ALIGN_START);
gtk_box_pack_start (GTK_BOX (main_hbox), right_vbox, FALSE, FALSE, 0);
gtk_widget_show (right_vbox);
/* Tool options notebook */
frame = pika_frame_new ( _("Tool Options"));
gtk_box_pack_start (GTK_BOX (right_vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
tool_options_notebook = gtk_notebook_new ();
gtk_container_add (GTK_CONTAINER (frame), tool_options_notebook);
gtk_notebook_set_show_tabs (GTK_NOTEBOOK (tool_options_notebook), FALSE);
gtk_notebook_set_show_border (GTK_NOTEBOOK (tool_options_notebook), FALSE);
gtk_widget_show (tool_options_notebook);
create_notebook_pages (tool_options_notebook);
/* Stroke frame on right side */
frame = pika_frame_new (NULL);
gtk_box_pack_start (GTK_BOX (right_vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
gfig_context->paint_type_toggle =
toggle = gtk_check_button_new_with_mnemonic (_("_Stroke"));
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), selvals.painttype);
gtk_frame_set_label_widget (GTK_FRAME (frame), toggle);
gtk_widget_show (toggle);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
gtk_container_add (GTK_CONTAINER (frame), hbox);
gtk_widget_show (hbox);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
gtk_box_pack_start (GTK_BOX (hbox), vbox, FALSE, FALSE, 0);
gtk_widget_show (vbox);
gtk_widget_set_sensitive (vbox, selvals.painttype);
g_signal_connect (toggle, "toggled",
G_CALLBACK (set_paint_type_callback),
vbox);
/* foreground color button in Stroke frame*/
gfig_context->fg_color = g_new0 (PikaRGB, 1);
gfig_context->fg_color_button = pika_color_button_new ("Foreground",
SEL_BUTTON_WIDTH,
SEL_BUTTON_HEIGHT,
gfig_context->fg_color,
PIKA_COLOR_AREA_SMALL_CHECKS);
g_signal_connect (gfig_context->fg_color_button, "color-changed",
G_CALLBACK (set_foreground_callback),
gfig_context->fg_color);
pika_color_button_set_color (PIKA_COLOR_BUTTON (gfig_context->fg_color_button),
&gfig_context->default_style.foreground);
gtk_box_pack_start (GTK_BOX (vbox), gfig_context->fg_color_button,
FALSE, FALSE, 0);
gtk_widget_show (gfig_context->fg_color_button);
/* brush selector in Stroke frame */
gfig_context->brush_select
= pika_brush_chooser_new ("Brush", "Brush",
PIKA_RESOURCE (gfig_context->default_style.brush));
g_signal_connect (gfig_context->brush_select, "resource-set",
G_CALLBACK (gfig_brush_changed_callback), NULL);
gtk_box_pack_start (GTK_BOX (vbox), gfig_context->brush_select,
FALSE, FALSE, 0);
gtk_widget_show (gfig_context->brush_select);
/* Fill frame on right side */
frame = pika_frame_new (_("Fill"));
gtk_box_pack_start (GTK_BOX (right_vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
gtk_container_add (GTK_CONTAINER (frame), hbox);
gtk_widget_show (hbox);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
gtk_box_pack_start (GTK_BOX (hbox), vbox, FALSE, FALSE, 0);
gtk_widget_show (vbox);
/* fill style combo box in Style frame */
gfig_context->fillstyle_combo = combo
= pika_int_combo_box_new (_("No fill"), FILL_NONE,
_("Color fill"), FILL_COLOR,
_("Pattern fill"), FILL_PATTERN,
_("Shape gradient"), FILL_GRADIENT,
_("Vertical gradient"), FILL_VERTICAL,
_("Horizontal gradient"), FILL_HORIZONTAL,
NULL);
pika_int_combo_box_set_active (PIKA_INT_COMBO_BOX (combo), 0);
g_signal_connect (combo, "changed",
G_CALLBACK (select_filltype_callback),
NULL);
gtk_box_pack_start (GTK_BOX (vbox), combo, FALSE, FALSE, 0);
gtk_widget_show (combo);
fill_type_notebook = gtk_notebook_new ();
gtk_box_pack_start (GTK_BOX (vbox), fill_type_notebook, FALSE, FALSE, 0);
gtk_notebook_set_show_tabs (GTK_NOTEBOOK (fill_type_notebook), FALSE);
gtk_notebook_set_show_border (GTK_NOTEBOOK (fill_type_notebook), FALSE);
gtk_widget_show (fill_type_notebook);
/* An empty page for "No fill" */
empty_label = gtk_label_new ("");
gtk_widget_show (empty_label);
gtk_notebook_append_page (GTK_NOTEBOOK (fill_type_notebook),
empty_label, NULL);
/* A page for the fill color button */
gfig_context->bg_color = g_new0 (PikaRGB, 1);
gfig_context->bg_color_button = pika_color_button_new ("Background",
SEL_BUTTON_WIDTH, SEL_BUTTON_HEIGHT,
gfig_context->bg_color,
PIKA_COLOR_AREA_SMALL_CHECKS);
g_signal_connect (gfig_context->bg_color_button, "color-changed",
G_CALLBACK (set_background_callback),
gfig_context->bg_color);
pika_color_button_set_color (PIKA_COLOR_BUTTON (gfig_context->bg_color_button),
&gfig_context->default_style.background);
gtk_widget_show (gfig_context->bg_color_button);
gtk_notebook_append_page (GTK_NOTEBOOK (fill_type_notebook),
gfig_context->bg_color_button, NULL);
/* A page for the pattern selector */
gfig_context->pattern_select
= pika_pattern_chooser_new ("Pattern", "Pattern",
PIKA_RESOURCE (gfig_context->default_style.pattern));
g_signal_connect (gfig_context->pattern_select, "resource-set",
G_CALLBACK (gfig_pattern_changed_callback), NULL);
gtk_widget_show (gfig_context->pattern_select);
gtk_notebook_append_page (GTK_NOTEBOOK (fill_type_notebook),
gfig_context->pattern_select, NULL);
/* A page for the gradient selector */
gfig_context->gradient_select
= pika_gradient_chooser_new ("Gradient", "Gradient",
PIKA_RESOURCE (gfig_context->default_style.gradient));
g_signal_connect (gfig_context->gradient_select, "resource-set",
G_CALLBACK (gfig_gradient_changed_callback), NULL);
gtk_widget_show (gfig_context->gradient_select);
gtk_notebook_append_page (GTK_NOTEBOOK (fill_type_notebook),
gfig_context->gradient_select, NULL);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
gtk_box_pack_start (GTK_BOX (right_vbox), vbox, FALSE, FALSE, 0);
gtk_widget_show (vbox);
/* "show image" checkbutton at bottom of style frame */
toggle = gtk_check_button_new_with_label (_("Show image"));
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle),
gfig_context->show_background);
gtk_box_pack_end (GTK_BOX (vbox), toggle, FALSE, FALSE, 0);
g_signal_connect (toggle, "toggled",
G_CALLBACK (pika_toggle_button_update),
&gfig_context->show_background);
g_signal_connect_swapped (toggle, "toggled",
G_CALLBACK (gtk_widget_queue_draw),
gfig_context->preview);
gtk_widget_show (toggle);
/* "snap to grid" checkbutton at bottom of style frame */
toggle = gtk_check_button_new_with_label (C_("checkbutton", "Snap to grid"));
gtk_box_pack_end (GTK_BOX (vbox), toggle, FALSE, FALSE, 0);
g_signal_connect (toggle, "toggled",
G_CALLBACK (pika_toggle_button_update),
&selvals.opts.snap2grid);
gtk_widget_show (toggle);
gfig_opt_widget.snap2grid = toggle;
/* "show grid" checkbutton at bottom of style frame */
toggle = gtk_check_button_new_with_label (_("Show grid"));
gtk_box_pack_end (GTK_BOX (vbox), toggle, FALSE, FALSE, 0);
g_signal_connect (toggle, "toggled",
G_CALLBACK (pika_toggle_button_update),
&selvals.opts.drawgrid);
g_signal_connect (toggle, "toggled",
G_CALLBACK (draw_grid_clear),
NULL);
gtk_widget_show (toggle);
gfig_opt_widget.drawgrid = toggle;
/* Load saved objects */
gfig_list_load_all (gfig_path);
/* Setup initial brush settings */
set_context_bdesc (pika_context_get_brush ());
gtk_widget_show (main_hbox);
gtk_widget_show (gfig->top_level_dlg);
gfig_obj = gfig_load_from_parasite (gfig);
if (gfig_obj)
{
gfig_list_insert (gfig_obj);
new_obj_2edit (gfig, gfig_obj);
gfig_style_set_context_from_style (&gfig_context->default_style);
gfig_style_apply (&gfig_context->default_style);
}
gfig_context->enable_repaint = TRUE;
gfig_paint_callback ();
/* FIXME */
return TRUE;
}
static void shape_change_state (GSimpleAction *action,
GVariant *new_state,
gpointer user_data)
{
gchar *str;
DobjType new_type = LINE;
str = g_strdup_printf ("%s", g_variant_get_string (new_state, NULL));
if (! strcmp (str, "line"))
new_type = LINE;
else if (! strcmp (str, "rectangle"))
new_type = RECTANGLE;
else if (! strcmp (str, "circle"))
new_type = CIRCLE;
else if (! strcmp (str, "ellipse"))
new_type = ELLIPSE;
else if (! strcmp (str, "arc"))
new_type = ARC;
else if (! strcmp (str, "polygon"))
new_type = POLY;
else if (! strcmp (str, "star"))
new_type = STAR;
else if (! strcmp (str, "spiral"))
new_type = SPIRAL;
else if (! strcmp (str, "bezier"))
new_type = BEZIER;
else if (! strcmp (str, "move-obj"))
new_type = MOVE_OBJ;
else if (! strcmp (str, "move-point"))
new_type = MOVE_POINT;
else if (! strcmp (str, "copy"))
new_type = COPY_OBJ;
else if (! strcmp (str, "delete"))
new_type = DEL_OBJ;
else if (! strcmp (str, "select"))
new_type = SELECT_OBJ;
g_free (str);
g_simple_action_set_state (action, new_state);
toggle_obj_type (new_type);
}
static void
gfig_response (GtkWidget *widget,
gint response_id,
gpointer data)
{
GFigObj *gfig_obj;
switch (response_id)
{
case GTK_RESPONSE_DELETE_EVENT:
case GTK_RESPONSE_CANCEL:
/* if we created a new layer, delete it */
if (gfig_context->using_new_layer)
{
pika_image_remove_layer (gfig_context->image,
PIKA_LAYER (gfig_context->drawable));
}
else /* revert back to the original figure */
{
free_all_objs (gfig_context->current_obj->obj_list);
gfig_context->current_obj->obj_list = NULL;
gfig_obj = gfig_load_from_parasite (PIKA_GFIG (data));
if (gfig_obj)
{
gfig_list_insert (gfig_obj);
new_obj_2edit (PIKA_GFIG (data), gfig_obj);
}
gfig_context->enable_repaint = TRUE;
gfig_paint_callback ();
}
break;
case GTK_RESPONSE_OK: /* Close button */
gfig_save_as_parasite ();
break;
default:
break;
}
gtk_application_remove_window ((PIKA_GFIG (data))->app,
GTK_WINDOW ((PIKA_GFIG (data))->top_level_dlg));
}
static gchar *
gfig_get_user_writable_dir (void)
{
if (gfig_path)
{
GList *list;
gchar *dir;
list = pika_path_parse (gfig_path, 256, FALSE, NULL);
dir = pika_path_get_user_writable_dir (list);
pika_path_free (list);
return dir;
}
return g_strdup (pika_directory ());
}
static void
gfig_load_action (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
static GtkWidget *dialog = NULL;
if (! dialog)
{
gchar *dir;
dialog =
gtk_file_chooser_dialog_new (_("Load Gfig Object Collection"),
NULL,
GTK_FILE_CHOOSER_ACTION_OPEN,
_("_Cancel"), GTK_RESPONSE_CANCEL,
_("_Open"), GTK_RESPONSE_OK,
NULL);
pika_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
GTK_RESPONSE_OK,
GTK_RESPONSE_CANCEL,
-1);
gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
g_object_add_weak_pointer (G_OBJECT (dialog), (gpointer) &dialog);
g_signal_connect (dialog, "response",
G_CALLBACK (load_file_chooser_response),
user_data);
dir = gfig_get_user_writable_dir ();
if (dir)
{
gtk_file_chooser_set_current_folder (GTK_FILE_CHOOSER (dialog),
dir);
g_free (dir);
}
gtk_widget_show (dialog);
}
else
{
gtk_window_present (GTK_WINDOW (dialog));
}
}
static void
gfig_save_action (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
static GtkWidget *dialog = NULL;
if (!dialog)
{
gchar *dir;
dialog =
gtk_file_chooser_dialog_new (_("Save Gfig Drawing"),
NULL,
GTK_FILE_CHOOSER_ACTION_SAVE,
_("_Cancel"), GTK_RESPONSE_CANCEL,
_("_Save"), GTK_RESPONSE_OK,
NULL);
pika_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
GTK_RESPONSE_OK,
GTK_RESPONSE_CANCEL,
-1);
gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
gtk_file_chooser_set_do_overwrite_confirmation (GTK_FILE_CHOOSER (dialog),
TRUE);
g_object_add_weak_pointer (G_OBJECT (dialog), (gpointer) &dialog);
/* FIXME: GFigObj should be a GObject and g_signal_connect_object()
* should be used here.
*/
g_signal_connect (dialog, "response",
G_CALLBACK (save_file_chooser_response),
gfig_context->current_obj);
dir = gfig_get_user_writable_dir ();
if (dir)
{
gtk_file_chooser_set_current_folder (GTK_FILE_CHOOSER (dialog), dir);
g_free (dir);
}
gtk_widget_show (dialog);
}
else
{
gtk_window_present (GTK_WINDOW (dialog));
}
}
static void
gfig_close_action (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
PikaGfig *gfig = PIKA_GFIG (user_data);
gtk_dialog_response (GTK_DIALOG (gfig->top_level_dlg), GTK_RESPONSE_OK);
}
static void
gfig_undo_action (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
GAction *action_undo;
PikaGfig *gfig = PIKA_GFIG (user_data);
if (undo_level >= 0)
{
/* Free current objects an reinstate previous */
free_all_objs (gfig_context->current_obj->obj_list);
gfig_context->current_obj->obj_list = NULL;
tmp_bezier = tmp_line = obj_creating = NULL;
gfig_context->current_obj->obj_list = undo_table[undo_level];
undo_level--;
/* Update the screen */
gtk_widget_queue_draw (gfig_context->preview);
/* And preview */
gfig_context->current_obj->obj_status |= GFIG_MODIFIED;
if (gfig_context->current_obj->obj_list)
gfig_context->selected_obj = gfig_context->current_obj->obj_list->data;
else
gfig_context->selected_obj = NULL;
}
action_undo = g_action_map_lookup_action (G_ACTION_MAP (gfig->app), "undo");
g_simple_action_set_enabled (G_SIMPLE_ACTION (action_undo),
undo_level >= 0);
gfig_paint_callback ();
}
static void
gfig_clear_action (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
/* Make sure we can get back - if we have some objects to get back to */
if (!gfig_context->current_obj->obj_list)
return;
setup_undo (PIKA_GFIG (user_data));
/* Free all objects */
free_all_objs (gfig_context->current_obj->obj_list);
gfig_context->current_obj->obj_list = NULL;
gfig_context->selected_obj = NULL;
obj_creating = NULL;
tmp_line = NULL;
tmp_bezier = NULL;
gtk_widget_queue_draw (gfig_context->preview);
gfig_paint_callback ();
}
void
draw_item (cairo_t *cr, gboolean fill)
{
cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 1.0);
if (fill)
{
cairo_fill_preserve (cr);
}
else
{
cairo_set_line_width (cr, 3.0);
cairo_stroke_preserve (cr);
}
cairo_set_source_rgba (cr, 1.0, 1.0, 1.0, 1.0);
cairo_set_line_width (cr, 1.0);
cairo_stroke (cr);
}
/* Given a point x, y draw a circle */
void
draw_circle (GdkPoint *p,
gboolean selected,
cairo_t *cr)
{
if (!selvals.opts.showcontrol)
return;
cairo_arc (cr,
gfig_scale_x (p->x) + .5,
gfig_scale_y (p->y) + .5,
SQ_SIZE / 2,
0, 2 * G_PI);
draw_item (cr, selected);
}
/* Given a point x, y draw a square around it */
void
draw_sqr (GdkPoint *p,
gboolean selected,
cairo_t *cr)
{
if (!selvals.opts.showcontrol)
return;
cairo_rectangle (cr,
gfig_scale_x (p->x) + .5 - SQ_SIZE / 2,
gfig_scale_y (p->y) + .5 - SQ_SIZE / 2,
SQ_SIZE,
SQ_SIZE);
draw_item (cr, selected);
}
static void
gfig_list_load_all (const gchar *path)
{
/* Make sure to clear any existing gfigs */
gfig_context->current_obj = NULL;
gfig_list_free_all ();
if (! gfig_list)
{
GFigObj *gfig;
/* lets have at least one! */
gfig = gfig_new ();
gfig->draw_name = g_strdup (_("First Gfig"));
gfig_list_insert (gfig);
}
gfig_context->current_obj = gfig_list->data; /* set to first entry */
}
static void
gfig_list_free_all (void)
{
g_list_free_full (gfig_list, (GDestroyNotify) gfig_free);
gfig_list = NULL;
}
static void
tool_option_no_option (GtkWidget *notebook)
{
GtkWidget *label;
label = gtk_label_new (_("This tool has no options"));
gtk_widget_show (label);
gtk_notebook_append_page (GTK_NOTEBOOK (notebook), label, NULL);
}
static void
create_notebook_pages (GtkWidget *notebook)
{
tool_option_no_option (notebook); /* Line */
tool_option_no_option (notebook); /* Rectangle */
tool_option_no_option (notebook); /* Circle */
tool_option_no_option (notebook); /* Ellipse */
tool_option_no_option (notebook); /* Arc */
tool_options_poly (notebook); /* Polygon */
tool_options_star (notebook); /* Star */
tool_options_spiral (notebook); /* Spiral */
tool_options_bezier (notebook); /* Bezier */
tool_option_no_option (notebook); /* Dummy */
tool_option_no_option (notebook); /* Move Object */
tool_option_no_option (notebook); /* Move Point */
tool_option_no_option (notebook); /* Copy Object */
tool_option_no_option (notebook); /* Delete Object */
}
static void
raise_selected_obj_to_top (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
if (!gfig_context->selected_obj)
return;
if (g_list_find (gfig_context->current_obj->obj_list,
gfig_context->selected_obj))
{
gfig_context->current_obj->obj_list =
g_list_remove (gfig_context->current_obj->obj_list,
gfig_context->selected_obj);
gfig_context->current_obj->obj_list =
g_list_append (gfig_context->current_obj->obj_list,
gfig_context->selected_obj);
}
else
{
g_message ("Trying to raise object that does not exist.");
return;
}
gfig_paint_callback ();
}
static void
lower_selected_obj_to_bottom (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
if (!gfig_context->selected_obj)
return;
if (g_list_find (gfig_context->current_obj->obj_list,
gfig_context->selected_obj))
{
gfig_context->current_obj->obj_list =
g_list_remove (gfig_context->current_obj->obj_list,
gfig_context->selected_obj);
gfig_context->current_obj->obj_list =
g_list_prepend (gfig_context->current_obj->obj_list,
gfig_context->selected_obj);
}
else
{
g_message ("Trying to lower object that does not exist.");
return;
}
gfig_paint_callback ();
}
static void
raise_selected_obj (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
if (!gfig_context->selected_obj)
return;
if (g_list_find (gfig_context->current_obj->obj_list,
gfig_context->selected_obj))
{
int position;
position = g_list_index (gfig_context->current_obj->obj_list,
gfig_context->selected_obj);
gfig_context->current_obj->obj_list =
g_list_remove (gfig_context->current_obj->obj_list,
gfig_context->selected_obj);
gfig_context->current_obj->obj_list =
g_list_insert (gfig_context->current_obj->obj_list,
gfig_context->selected_obj,
position + 1);
}
else
{
g_message ("Trying to raise object that does not exist.");
return;
}
gfig_paint_callback ();
}
static void
lower_selected_obj (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
if (!gfig_context->selected_obj)
return;
if (g_list_find (gfig_context->current_obj->obj_list,
gfig_context->selected_obj))
{
int position;
position = g_list_index (gfig_context->current_obj->obj_list,
gfig_context->selected_obj);
gfig_context->current_obj->obj_list =
g_list_remove (gfig_context->current_obj->obj_list,
gfig_context->selected_obj);
gfig_context->current_obj->obj_list =
g_list_insert (gfig_context->current_obj->obj_list,
gfig_context->selected_obj,
MAX (0, position - 1));
}
else
{
g_message ("Trying to lower object that does not exist.");
return;
}
gfig_paint_callback ();
}
static void
select_filltype_callback (GtkWidget *widget)
{
gint value;
pika_int_combo_box_get_active (PIKA_INT_COMBO_BOX (widget), &value);
gtk_notebook_set_current_page (GTK_NOTEBOOK (fill_type_notebook),
MIN (value, FILL_GRADIENT));
gfig_context_get_current_style ()->fill_type = (FillType) value;
gfig_paint_callback ();
}
static gboolean
gfig_paint_timeout (gpointer data)
{
gfig_paint_callback ();
paint_timeout = 0;
return FALSE;
}
static void
gfig_paint_delayed (void)
{
if (paint_timeout)
g_source_remove (paint_timeout);
paint_timeout =
g_timeout_add (UPDATE_DELAY, gfig_paint_timeout, NULL);
}
static void
gfig_prefs_action (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
static GtkWidget *dialog = NULL;
if (!dialog)
{
GtkWidget *main_vbox;
GtkWidget *grid;
GtkWidget *toggle;
GtkWidget *undo_scale;
GtkWidget *scale;
GtkAdjustment *scale_data;
dialog = pika_dialog_new (_("Options"), "pika-gfig-options",
NULL, 0, NULL, NULL,
_("_Close"), GTK_RESPONSE_CLOSE,
NULL);
gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_CLOSE);
g_object_add_weak_pointer (G_OBJECT (dialog), (gpointer) &dialog);
g_signal_connect (dialog, "response",
G_CALLBACK (gtk_widget_destroy),
NULL);
main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 12);
gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
main_vbox, TRUE, TRUE, 0);
gtk_widget_show (main_vbox);
/* Put buttons in */
toggle = gtk_check_button_new_with_label (_("Show position"));
gtk_box_pack_start (GTK_BOX (main_vbox), toggle, FALSE, FALSE, 6);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle),
selvals.showpos);
g_signal_connect (toggle, "toggled",
G_CALLBACK (pika_toggle_button_update),
&selvals.showpos);
g_signal_connect_after (toggle, "toggled",
G_CALLBACK (gfig_pos_enable),
NULL);
gtk_widget_show (toggle);
toggle = gtk_check_button_new_with_label (_("Show control points"));
gtk_box_pack_start (GTK_BOX (main_vbox), toggle, FALSE, FALSE, 6);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle),
selvals.opts.showcontrol);
g_signal_connect (toggle, "toggled",
G_CALLBACK (pika_toggle_button_update),
&selvals.opts.showcontrol);
g_signal_connect (toggle, "toggled",
G_CALLBACK (toggle_show_image),
NULL);
gtk_widget_show (toggle);
gfig_opt_widget.showcontrol = toggle;
g_object_add_weak_pointer (G_OBJECT (gfig_opt_widget.showcontrol),
(gpointer) &gfig_opt_widget.showcontrol);
toggle = gtk_check_button_new_with_label (_("Antialiasing"));
gtk_box_pack_start (GTK_BOX (main_vbox), toggle, FALSE, FALSE, 6);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), selopt.antia);
g_signal_connect (toggle, "toggled",
G_CALLBACK (pika_toggle_button_update),
&selopt.antia);
g_signal_connect (toggle, "toggled",
G_CALLBACK (gfig_paint_callback),
NULL);
gtk_widget_show (toggle);
grid = gtk_grid_new ();
gtk_grid_set_row_spacing (GTK_GRID (grid), 6);
gtk_grid_set_column_spacing (GTK_GRID (grid), 6);
gtk_box_pack_start (GTK_BOX (main_vbox), grid, FALSE, FALSE, 6);
gtk_widget_show (grid);
undo_scale = pika_scale_entry_new (_("Max undo:"), selvals.maxundo, MIN_UNDO, MAX_UNDO, 0);
g_signal_connect (undo_scale, "value-changed",
G_CALLBACK (gfig_scale_entry_update_int),
&selvals.maxundo);
gtk_grid_attach (GTK_GRID (grid), undo_scale, 0, 0, 3, 1);
gtk_widget_show (undo_scale);
page_menu_bg = pika_int_combo_box_new (_("Transparent"), LAYER_TRANS_BG,
_("Background"), LAYER_BG_BG,
_("Foreground"), LAYER_FG_BG,
_("White"), LAYER_WHITE_BG,
_("Copy"), LAYER_COPY_BG,
NULL);
pika_int_combo_box_set_active (PIKA_INT_COMBO_BOX (page_menu_bg), selvals.onlayerbg);
g_signal_connect (page_menu_bg, "changed",
G_CALLBACK (paint_combo_callback),
GINT_TO_POINTER (PAINT_BGS_MENU));
pika_help_set_help_data (page_menu_bg,
_("Layer background type. Copy causes the "
"previous layer to be copied before the "
"draw is performed."),
NULL);
pika_grid_attach_aligned (GTK_GRID (grid), 0, 1,
_("Background:"), 0.0, 0.5,
page_menu_bg, 2);
toggle = gtk_check_button_new_with_label (_("Feather"));
gtk_grid_attach (GTK_GRID (grid), toggle, 2, 2, 1, 1);
g_signal_connect (toggle, "toggled",
G_CALLBACK (pika_toggle_button_update),
&selopt.feather);
g_signal_connect (toggle, "toggled",
G_CALLBACK (gfig_paint_callback),
NULL);
gtk_widget_show (toggle);
scale_data =
gtk_adjustment_new (selopt.feather_radius, 0.0, 100.0, 1.0, 1.0, 0.0);
scale = gtk_scale_new (GTK_ORIENTATION_HORIZONTAL, scale_data);
gtk_scale_set_value_pos (GTK_SCALE (scale), GTK_POS_TOP);
g_signal_connect (scale_data, "value-changed",
G_CALLBACK (pika_double_adjustment_update),
&selopt.feather_radius);
g_signal_connect (scale_data, "value-changed",
G_CALLBACK (gfig_paint_delayed),
NULL);
pika_grid_attach_aligned (GTK_GRID (grid), 0, 2,
_("Radius:"), 0.0, 1.0, scale, 1);
gtk_widget_show (dialog);
}
else
{
gtk_window_present (GTK_WINDOW (dialog));
}
}
static void
gfig_grid_action (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
static GtkWidget *dialog = NULL;
if (!dialog)
{
GtkWidget *main_vbox;
GtkWidget *hbox;
GtkWidget *grid;
GtkWidget *combo;
GtkWidget *grid_scale;
GtkWidget *sectors_scale;
GtkWidget *radius_scale;
dialog = pika_dialog_new (_("Grid"), "pika-gfig-grid",
NULL, 0, NULL, NULL,
_("_Close"), GTK_RESPONSE_CLOSE,
NULL);
gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_CLOSE);
g_object_add_weak_pointer (G_OBJECT (dialog), (gpointer) &dialog);
g_signal_connect (dialog, "response",
G_CALLBACK (gtk_widget_destroy),
NULL);
main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 12);
gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
main_vbox, TRUE, TRUE, 0);
gtk_widget_show (main_vbox);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
gtk_box_pack_start (GTK_BOX (main_vbox), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
grid = gtk_grid_new ();
gtk_grid_set_row_spacing (GTK_GRID (grid), 6);
gtk_grid_set_column_spacing (GTK_GRID (grid), 6);
gtk_box_pack_start (GTK_BOX (main_vbox), grid, FALSE, FALSE, 0);
gtk_widget_show (grid);
grid_scale = pika_scale_entry_new (_("Grid spacing:"),
selvals.opts.gridspacing,
MIN_GRID, MAX_GRID, 0);
g_signal_connect (grid_scale, "value-changed",
G_CALLBACK (gfig_scale_entry_update_int),
&selvals.opts.gridspacing);
g_signal_connect (grid_scale, "value-changed",
G_CALLBACK (draw_grid_clear),
NULL);
gtk_grid_attach (GTK_GRID (grid), grid_scale, 0, 0, 3, 1);
gtk_widget_show (grid_scale);
gfig_opt_widget.gridspacing = grid_scale;
g_object_add_weak_pointer (G_OBJECT (gfig_opt_widget.gridspacing),
(gpointer) &gfig_opt_widget.gridspacing);
sectors_scale = pika_scale_entry_new (_("Polar grid sectors desired:"),
selvals.opts.grid_sectors_desired,
5, 360, 0);
g_signal_connect (sectors_scale, "value-changed",
G_CALLBACK (gfig_scale_entry_update_int),
&selvals.opts.grid_sectors_desired);
g_signal_connect (sectors_scale, "value-changed",
G_CALLBACK (draw_grid_clear),
NULL);
gtk_grid_attach (GTK_GRID (grid), sectors_scale, 0, 3, 3, 1);
gtk_widget_show (sectors_scale);
gfig_opt_widget.grid_sectors_desired = sectors_scale;
g_object_add_weak_pointer (G_OBJECT (gfig_opt_widget.grid_sectors_desired),
(gpointer) &gfig_opt_widget.grid_sectors_desired);
radius_scale = pika_scale_entry_new (_("Polar grid radius interval:"),
selvals.opts.grid_radius_interval,
5, 50, 0);
g_signal_connect (radius_scale, "value-changed",
G_CALLBACK (gfig_scale_entry_update_double),
&selvals.opts.grid_radius_interval);
g_signal_connect (radius_scale, "value-changed",
G_CALLBACK (draw_grid_clear),
NULL);
gtk_grid_attach (GTK_GRID (grid), radius_scale, 0, 4, 3, 1);
gtk_widget_show (radius_scale);
gfig_opt_widget.grid_radius_interval = radius_scale;
g_object_add_weak_pointer (G_OBJECT (gfig_opt_widget.grid_radius_interval),
(gpointer) &gfig_opt_widget.grid_radius_interval);
combo = pika_int_combo_box_new (_("Rectangle"), RECT_GRID,
_("Polar"), POLAR_GRID,
_("Isometric"), ISO_GRID,
NULL);
pika_int_combo_box_set_active (PIKA_INT_COMBO_BOX (combo), selvals.opts.gridtype);
g_signal_connect (combo, "changed",
G_CALLBACK (gridtype_combo_callback),
GINT_TO_POINTER (GRID_TYPE_MENU));
pika_grid_attach_aligned (GTK_GRID (grid), 0, 1,
_("Grid type:"), 0.0, 0.5,
combo, 2);
gfig_opt_widget.gridtypemenu = combo;
g_object_add_weak_pointer (G_OBJECT (gfig_opt_widget.gridtypemenu),
(gpointer) &gfig_opt_widget.gridtypemenu);
combo = pika_int_combo_box_new (_("Normal"), GFIG_NORMAL_GC,
_("Black"), GFIG_BLACK_GC,
_("White"), GFIG_WHITE_GC,
_("Grey"), GFIG_GREY_GC,
_("Darker"), GFIG_DARKER_GC,
_("Lighter"), GFIG_LIGHTER_GC,
_("Very dark"), GFIG_VERY_DARK_GC,
NULL);
pika_int_combo_box_set_active (PIKA_INT_COMBO_BOX (combo), grid_gc_type);
g_signal_connect (combo, "changed",
G_CALLBACK (gridtype_combo_callback),
GINT_TO_POINTER (GRID_RENDER_MENU));
pika_grid_attach_aligned (GTK_GRID (grid), 0, 2,
_("Grid color:"), 0.0, 0.5,
combo, 2);
gtk_widget_show (dialog);
}
else
{
gtk_window_present (GTK_WINDOW (dialog));
}
}
void
options_update (GFigObj *old_obj)
{
/* Save old vals */
if (selvals.opts.gridspacing != old_obj->opts.gridspacing)
{
old_obj->opts.gridspacing = selvals.opts.gridspacing;
}
if (selvals.opts.grid_sectors_desired != old_obj->opts.grid_sectors_desired)
{
old_obj->opts.grid_sectors_desired = selvals.opts.grid_sectors_desired;
}
if (selvals.opts.grid_radius_interval != old_obj->opts.grid_radius_interval)
{
old_obj->opts.grid_radius_interval = selvals.opts.grid_radius_interval;
}
if (selvals.opts.gridtype != old_obj->opts.gridtype)
{
old_obj->opts.gridtype = selvals.opts.gridtype;
}
if (selvals.opts.drawgrid != old_obj->opts.drawgrid)
{
old_obj->opts.drawgrid = selvals.opts.drawgrid;
}
if (selvals.opts.snap2grid != old_obj->opts.snap2grid)
{
old_obj->opts.snap2grid = selvals.opts.snap2grid;
}
if (selvals.opts.lockongrid != old_obj->opts.lockongrid)
{
old_obj->opts.lockongrid = selvals.opts.lockongrid;
}
if (selvals.opts.showcontrol != old_obj->opts.showcontrol)
{
old_obj->opts.showcontrol = selvals.opts.showcontrol;
}
/* New vals */
if (selvals.opts.gridspacing != gfig_context->current_obj->opts.gridspacing)
{
if (gfig_opt_widget.gridspacing)
pika_label_spin_set_value (PIKA_LABEL_SPIN (gfig_opt_widget.gridspacing),
gfig_context->current_obj->opts.gridspacing);
}
if (selvals.opts.grid_sectors_desired != gfig_context->current_obj->opts.grid_sectors_desired)
{
if (gfig_opt_widget.grid_sectors_desired)
pika_label_spin_set_value (PIKA_LABEL_SPIN (gfig_opt_widget.grid_sectors_desired),
gfig_context->current_obj->opts.grid_sectors_desired);
}
if (selvals.opts.grid_radius_interval != gfig_context->current_obj->opts.grid_radius_interval)
{
if (gfig_opt_widget.grid_radius_interval)
pika_label_spin_set_value (PIKA_LABEL_SPIN (gfig_opt_widget.grid_radius_interval),
gfig_context->current_obj->opts.grid_radius_interval);
}
if (selvals.opts.gridtype != gfig_context->current_obj->opts.gridtype)
{
if (gfig_opt_widget.gridtypemenu)
pika_int_combo_box_set_active (PIKA_INT_COMBO_BOX (gfig_opt_widget.gridtypemenu),
gfig_context->current_obj->opts.gridtype);
}
if (selvals.opts.drawgrid != gfig_context->current_obj->opts.drawgrid)
{
if (gfig_opt_widget.drawgrid)
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (gfig_opt_widget.drawgrid),
gfig_context->current_obj->opts.drawgrid);
}
if (selvals.opts.snap2grid != gfig_context->current_obj->opts.snap2grid)
{
if (gfig_opt_widget.snap2grid)
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (gfig_opt_widget.snap2grid),
gfig_context->current_obj->opts.snap2grid);
}
if (selvals.opts.lockongrid != gfig_context->current_obj->opts.lockongrid)
{
if (gfig_opt_widget.lockongrid)
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (gfig_opt_widget.lockongrid),
gfig_context->current_obj->opts.lockongrid);
}
if (selvals.opts.showcontrol != gfig_context->current_obj->opts.showcontrol)
{
if (gfig_opt_widget.showcontrol)
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (gfig_opt_widget.showcontrol),
gfig_context->current_obj->opts.showcontrol);
}
}
static void
save_file_chooser_response (GtkFileChooser *chooser,
gint response_id,
GFigObj *obj)
{
if (response_id == GTK_RESPONSE_OK)
{
gchar *filename;
filename = gtk_file_chooser_get_filename (chooser);
obj->filename = filename;
gfig_context->current_obj = obj;
gfig_save_callbk ();
}
gtk_widget_destroy (GTK_WIDGET (chooser));
}
static GfigObject *
gfig_select_obj_by_number (gint count)
{
GList *objs;
GfigObject *object = NULL;
gint k;
gfig_context->selected_obj = NULL;
for (objs = gfig_context->current_obj->obj_list, k = 0;
objs;
objs = g_list_next (objs), k++)
{
if (k == obj_show_single)
{
object = objs->data;
gfig_context->selected_obj = object;
gfig_style_set_context_from_style (&object->style);
break;
}
}
return object;
}
static void
select_button_clicked (gint type)
{
gint count = 0;
if (gfig_context->current_obj)
{
count = g_list_length (gfig_context->current_obj->obj_list);
}
switch (type)
{
case OBJ_SELECT_LT:
obj_show_single--;
if (obj_show_single < 0)
obj_show_single = count - 1;
break;
case OBJ_SELECT_GT:
obj_show_single++;
if (obj_show_single >= count)
obj_show_single = 0;
break;
case OBJ_SELECT_EQ:
obj_show_single = -1; /* Reset to show all */
break;
default:
break;
}
if (obj_show_single >= 0)
gfig_select_obj_by_number (obj_show_single);
draw_grid_clear ();
gfig_paint_callback ();
}
static void
select_button_clicked_lt (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
select_button_clicked (OBJ_SELECT_LT);
}
static void
select_button_clicked_gt (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
select_button_clicked (OBJ_SELECT_GT);
}
static void
select_button_clicked_eq (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
select_button_clicked (OBJ_SELECT_EQ);
}
/* Special case for now - options on poly/star/spiral button */
GtkWidget *
num_sides_widget (const gchar *d_title,
gint *num_sides,
gint *which_way,
gint adj_min,
gint adj_max)
{
GtkWidget *grid;
GtkWidget *scale;
grid = gtk_grid_new ();
gtk_grid_set_row_spacing (GTK_GRID (grid), 6);
gtk_grid_set_column_spacing (GTK_GRID (grid), 6);
gtk_container_set_border_width (GTK_CONTAINER (grid), 12);
gtk_widget_show (grid);
scale = pika_scale_entry_new (_("Sides:"), *num_sides, adj_min, adj_max, 0);
g_signal_connect (scale, "value-changed",
G_CALLBACK (gfig_scale_entry_update_int),
num_sides);
gtk_grid_attach (GTK_GRID (grid), scale, 0, 0, 3, 1);
gtk_widget_show (scale);
if (which_way)
{
GtkWidget *combo = pika_int_combo_box_new (_("Right"), 0,
_("Left"), 1,
NULL);
pika_int_combo_box_set_active (PIKA_INT_COMBO_BOX (combo), *which_way);
g_signal_connect (combo, "changed",
G_CALLBACK (pika_int_combo_box_get_active),
which_way);
pika_grid_attach_aligned (GTK_GRID (grid), 0, 1,
_("Orientation:"), 0.0, 0.5,
combo, 1);
}
return grid;
}
void
gfig_paint (BrushType brush_type,
PikaDrawable *drawable,
gint seg_count,
gdouble line_pnts[])
{
switch (brush_type)
{
case BRUSH_BRUSH_TYPE:
pika_paintbrush (drawable,
selvals.brushfade,
seg_count, line_pnts,
PIKA_PAINT_CONSTANT,
selvals.brushgradient);
break;
case BRUSH_PENCIL_TYPE:
pika_pencil (drawable,
seg_count, line_pnts);
break;
case BRUSH_AIRBRUSH_TYPE:
pika_airbrush (drawable,
selvals.airbrushpressure,
seg_count, line_pnts);
break;
case BRUSH_PATTERN_TYPE:
pika_clone (drawable,
drawable,
PIKA_CLONE_PATTERN,
0.0, 0.0,
seg_count, line_pnts);
break;
}
}
static void
paint_combo_callback (GtkWidget *widget,
gpointer data)
{
gint mtype = GPOINTER_TO_INT (data);
gint value;
pika_int_combo_box_get_active (PIKA_INT_COMBO_BOX (widget), &value);
switch (mtype)
{
case PAINT_BGS_MENU:
selvals.onlayerbg = (LayersBGType) value;
break;
default:
g_return_if_reached ();
break;
}
gfig_paint_callback ();
}
static void
gridtype_combo_callback (GtkWidget *widget,
gpointer data)
{
gint mtype = GPOINTER_TO_INT (data);
gint value;
pika_int_combo_box_get_active (PIKA_INT_COMBO_BOX (widget), &value);
switch (mtype)
{
case GRID_TYPE_MENU:
selvals.opts.gridtype = value;
break;
case GRID_RENDER_MENU:
grid_gc_type = value;
break;
default:
g_return_if_reached ();
break;
}
draw_grid_clear ();
}
/*
* The edit gfig name attributes dialog
* Modified from Pika source - layer edit.
*/
typedef struct _GfigListOptions
{
GtkWidget *query_box;
GtkWidget *name_entry;
GtkWidget *list_entry;
GFigObj *obj;
gboolean created;
} GfigListOptions;
static void
load_file_chooser_response (GtkFileChooser *chooser,
gint response_id,
gpointer data)
{
if (response_id == GTK_RESPONSE_OK)
{
gchar *filename;
GFigObj *gfig_obj;
GFigObj *current_saved;
filename = gtk_file_chooser_get_filename (chooser);
if (g_file_test (filename, G_FILE_TEST_IS_REGULAR))
{
/* Hack - current object MUST be NULL to prevent setup_undo ()
* from kicking in.
*/
current_saved = gfig_context->current_obj;
gfig_context->current_obj = NULL;
gfig_obj = gfig_load (PIKA_GFIG (data), filename, filename);
gfig_context->current_obj = current_saved;
if (gfig_obj)
{
/* Read only ?*/
if (access (filename, W_OK))
gfig_obj->obj_status |= GFIG_READONLY;
gfig_list_insert (gfig_obj);
new_obj_2edit (PIKA_GFIG (data), gfig_obj);
}
}
g_free (filename);
}
gtk_widget_destroy (GTK_WIDGET (chooser));
gfig_paint_callback ();
}
void
paint_layer_fill (gdouble x1, gdouble y1, gdouble x2, gdouble y2)
{
PikaFillType fill_type = PIKA_FILL_FOREGROUND;
Style *current_style;
current_style = gfig_context_get_current_style ();
pika_context_push ();
pika_context_set_paint_mode (PIKA_LAYER_MODE_NORMAL_LEGACY);
pika_context_set_opacity (100.0);
pika_context_set_gradient_repeat_mode (PIKA_REPEAT_NONE);
pika_context_set_gradient_reverse (FALSE);
switch (current_style->fill_type)
{
case FILL_NONE:
return;
case FILL_COLOR:
fill_type = PIKA_FILL_BACKGROUND;
break;
case FILL_PATTERN:
fill_type = PIKA_FILL_PATTERN;
break;
case FILL_GRADIENT:
pika_drawable_edit_gradient_fill (gfig_context->drawable,
PIKA_GRADIENT_SHAPEBURST_DIMPLED,
0.0, /* offset */
FALSE, /* supersampling */
0, /* max_depth */
0.0, /* threshold */
FALSE, /* dither */
0.0, 0.0, /* (x1, y1) - ignored */
0.0, 0.0); /* (x2, y2) - ignored */
return;
case FILL_VERTICAL:
pika_drawable_edit_gradient_fill (gfig_context->drawable,
PIKA_GRADIENT_LINEAR,
0.0,
FALSE,
0,
0.0,
FALSE,
x1, y1,
x1, y2);
return;
case FILL_HORIZONTAL:
pika_drawable_edit_gradient_fill (gfig_context->drawable,
PIKA_GRADIENT_LINEAR,
0.0,
FALSE,
0,
0.0,
FALSE,
x1, y1,
x2, y1);
return;
}
pika_context_set_opacity (current_style->fill_opacity);
pika_drawable_edit_fill (gfig_context->drawable,
fill_type);
pika_context_pop ();
}
void
gfig_paint_callback (void)
{
GList *objs;
gint ccount = 0;
GfigObject *object;
if (!gfig_context->enable_repaint || !gfig_context->current_obj)
return;
objs = gfig_context->current_obj->obj_list;
pika_drawable_fill (gfig_context->drawable, PIKA_FILL_TRANSPARENT);
while (objs)
{
if (ccount == obj_show_single || obj_show_single == -1)
{
FillType saved_filltype;
object = objs->data;
gfig_style_apply (&object->style);
saved_filltype = gfig_context_get_current_style ()->fill_type;
gfig_context_get_current_style ()->fill_type = object->style.fill_type;
object->class->paintfunc (object);
gfig_context_get_current_style ()->fill_type = saved_filltype;
}
objs = g_list_next (objs);
ccount++;
}
pika_displays_flush ();
if (back_pixbuf)
{
g_object_unref (back_pixbuf);
back_pixbuf = NULL;
}
gtk_widget_queue_draw (gfig_context->preview);
}
/* Draw the grid on the screen
*/
void
draw_grid_clear (void)
{
/* wipe slate and start again */
gtk_widget_queue_draw (gfig_context->preview);
}
static void
toggle_show_image (void)
{
/* wipe slate and start again */
draw_grid_clear ();
}
static void
toggle_obj_type (DobjType new_type)
{
/* cache of cursors.
* Must be larger than DobjType values, i.e. NULL_OPER.
* Test by clicking the "select object" icon.
* C ensures is initialized to NULL.
*/
static GdkCursor *p_cursors[NULL_OPER];
GdkCursorType ctype = GDK_LAST_CURSOR;
if (selvals.otype != new_type)
{
/* Mem leak */
obj_creating = NULL;
tmp_line = NULL;
tmp_bezier = NULL;
if (new_type < MOVE_OBJ) /* Eeeeek */
{
g_debug ("%s new_type < MOVE_OBJ", G_STRFUNC);
obj_show_single = -1; /* Cancel select preview */
}
/* Update draw areas */
gtk_widget_queue_draw (gfig_context->preview);
}
g_debug ("%s: old and new obj type %d %d", G_STRFUNC, selvals.otype, new_type);
selvals.otype = new_type;
gtk_notebook_set_current_page (GTK_NOTEBOOK (tool_options_notebook),
new_type - 1);
switch (selvals.otype)
{
case LINE:
case RECTANGLE:
case CIRCLE:
case ELLIPSE:
case ARC:
case POLY:
case STAR:
case SPIRAL:
case BEZIER:
ctype = GDK_CROSSHAIR;
break;
case MOVE_OBJ:
case MOVE_POINT:
case COPY_OBJ:
case MOVE_COPY_OBJ:
ctype = GDK_DIAMOND_CROSS;
break;
case DEL_OBJ:
ctype = GDK_PIRATE;
break;
case OBJ_TYPE_NONE:
ctype = GDK_CROSSHAIR;
break;
default:
g_debug ("%s: default cursor for object type %d.", G_STRFUNC, selvals.otype);
ctype = GDK_CROSSHAIR;
break;
}
/* Get cached cursor. */
if (!p_cursors[selvals.otype])
{
GdkCursor *cursor;
GdkDisplay *display = gtk_widget_get_display (gfig_context->preview);
cursor = gdk_cursor_new_for_display (display, ctype);
p_cursors[selvals.otype] = cursor;
}
/* Require cursor (possibly from cache) is-a cursor. */
g_assert (GDK_IS_CURSOR (p_cursors[selvals.otype]));
gdk_window_set_cursor (gtk_widget_get_window (gfig_context->preview),
p_cursors[selvals.otype]);
}
/* This could belong in a separate file ... but makes it easier to lump into
* one when compiling the plugin.
*/
/* Given a number of float co-ords adjust for scaling back to org size */
/* Size is number of PAIRS of points */
/* FP + int variants */
static void
scale_to_orginal_x (gdouble *list)
{
*list *= scale_x_factor;
}
gint
gfig_scale_x (gint x)
{
if (!selvals.scaletoimage)
return (gint) (x * (1 / scale_x_factor));
else
return x;
}
static void
scale_to_orginal_y (gdouble *list)
{
*list *= scale_y_factor;
}
gint
gfig_scale_y (gint y)
{
if (!selvals.scaletoimage)
return (gint) (y * (1 / scale_y_factor));
else
return y;
}
/* Pairs x followed by y */
void
scale_to_original_xy (gdouble *list,
gint size)
{
gint i;
for (i = 0; i < size * 2; i += 2)
{
scale_to_orginal_x (&list[i]);
scale_to_orginal_y (&list[i + 1]);
}
}
/* Pairs x followed by y */
void
scale_to_xy (gdouble *list,
gint size)
{
gint i;
for (i = 0; i < size * 2; i += 2)
{
list[i] *= (org_scale_x_factor / scale_x_factor);
list[i + 1] *= (org_scale_y_factor / scale_y_factor);
}
}
void
gfig_draw_arc (gint x, gint y, gint width, gint height, gint angle1,
gint angle2, cairo_t *cr)
{
cairo_save (cr);
cairo_translate (cr, gfig_scale_x (x), gfig_scale_y (y));
cairo_scale (cr, gfig_scale_x (width), gfig_scale_y (height));
if (angle1 < angle2)
cairo_arc (cr, 0., 0., 1., angle1 * G_PI / 180, angle2 * G_PI / 180);
else
cairo_arc_negative (cr, 0., 0., 1., angle1 * G_PI / 180, angle2 * G_PI / 180);
cairo_restore (cr);
draw_item (cr, FALSE);
}
void
gfig_draw_line (gint x0, gint y0, gint x1, gint y1, cairo_t *cr)
{
cairo_move_to (cr, gfig_scale_x (x0) + .5, gfig_scale_y (y0) + .5);
cairo_line_to (cr, gfig_scale_x (x1) + .5, gfig_scale_y (y1) + .5);
draw_item (cr, FALSE);
}
static void
gfig_scale_entry_update_double (PikaLabelSpin *entry,
gdouble *value)
{
*value = pika_label_spin_get_value (entry);
}
static void
gfig_scale_entry_update_int (PikaLabelSpin *entry,
gint *value)
{
*value = (gint) pika_label_spin_get_value (entry);
}
static GtkWidget *
add_tool_button (GtkWidget *toolbar,
const char *action,
const char *icon,
const char *label,
const char *tooltip)
{
GtkWidget *tool_icon;
GtkToolItem *tool_button;
tool_icon = gtk_image_new_from_icon_name (icon, GTK_ICON_SIZE_BUTTON);
gtk_widget_show (GTK_WIDGET (tool_icon));
tool_button = gtk_tool_button_new (tool_icon, label);
gtk_widget_show (GTK_WIDGET (tool_button));
gtk_tool_item_set_tooltip_text (tool_button, tooltip);
gtk_actionable_set_detailed_action_name (GTK_ACTIONABLE (tool_button), action);
gtk_toolbar_insert (GTK_TOOLBAR (toolbar), tool_button, -1);
return GTK_WIDGET (tool_button);
}
GtkWidget *
add_toggle_button (GtkWidget *toolbar,
const char *action,
const char *icon,
const char *label,
const char *tooltip)
{
GtkWidget *tool_icon;
GtkToolItem *toggle_tool_button;
tool_icon = gtk_image_new_from_icon_name (icon, GTK_ICON_SIZE_BUTTON);
gtk_widget_show (GTK_WIDGET (tool_icon));
toggle_tool_button = gtk_toggle_tool_button_new ();
gtk_tool_button_set_icon_widget (GTK_TOOL_BUTTON (toggle_tool_button),
tool_icon);
gtk_tool_button_set_label (GTK_TOOL_BUTTON (toggle_tool_button), label);
gtk_widget_show (GTK_WIDGET (toggle_tool_button));
gtk_tool_item_set_tooltip_text (toggle_tool_button, tooltip);
gtk_actionable_set_detailed_action_name (GTK_ACTIONABLE (toggle_tool_button), action);
gtk_toolbar_insert (GTK_TOOLBAR (toolbar), toggle_tool_button, -1);
return GTK_WIDGET (toggle_tool_button);
}
static void
add_tool_separator (GtkWidget *toolbar,
gboolean expand)
{
GtkToolItem *item;
item = gtk_separator_tool_item_new ();
gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
gtk_separator_tool_item_set_draw (GTK_SEPARATOR_TOOL_ITEM (item), FALSE);
gtk_tool_item_set_expand (item, expand);
gtk_widget_show (GTK_WIDGET (item));
}
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