406 lines
12 KiB
C
406 lines
12 KiB
C
|
/*
|
||
|
|
* This is a plug-in for PIKA.
|
||
|
|
*
|
||
|
|
* Generates clickable image maps.
|
||
|
|
*
|
||
|
|
* Copyright (C) 1998-2004 Maurits Rijk m.rijk@chello.nl
|
||
|
|
*
|
||
|
|
* 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 <math.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
|
||
|
|
#include <gtk/gtk.h>
|
||
|
|
|
||
|
|
#include "imap_circle.h"
|
||
|
|
#include "imap_icons.h"
|
||
|
|
#include "imap_main.h"
|
||
|
|
#include "imap_misc.h"
|
||
|
|
#include "imap_object_popup.h"
|
||
|
|
#include "imap_ui_grid.h"
|
||
|
|
|
||
|
|
#include "libpika/stdplugins-intl.h"
|
||
|
|
|
||
|
|
static gboolean circle_is_valid(Object_t *obj);
|
||
|
|
static Object_t *circle_clone(Object_t *obj);
|
||
|
|
static void circle_assign(Object_t *obj, Object_t *des);
|
||
|
|
static void circle_draw(Object_t* obj, cairo_t *cr);
|
||
|
|
static void circle_draw_sashes(Object_t* obj, cairo_t *cr);
|
||
|
|
static MoveSashFunc_t circle_near_sash(Object_t *obj, gint x, gint y);
|
||
|
|
static gboolean circle_point_is_on(Object_t *obj, gint x, gint y);
|
||
|
|
static void circle_get_dimensions(Object_t *obj, gint *x, gint *y,
|
||
|
|
gint *width, gint *height);
|
||
|
|
static void circle_resize(Object_t *obj, gint percentage_x, gint percentage_y);
|
||
|
|
static void circle_move(Object_t *obj, gint dx, gint dy);
|
||
|
|
static gpointer circle_create_info_widget(GtkWidget *frame);
|
||
|
|
static void circle_fill_info_tab(Object_t *obj, gpointer data);
|
||
|
|
static void circle_set_initial_focus(Object_t *obj, gpointer data);
|
||
|
|
static void circle_update(Object_t* obj, gpointer data);
|
||
|
|
static void circle_write_csim(Object_t* obj, gpointer param,
|
||
|
|
OutputFunc_t output);
|
||
|
|
static void circle_write_cern(Object_t* obj, gpointer param,
|
||
|
|
OutputFunc_t output);
|
||
|
|
static void circle_write_ncsa(Object_t* obj, gpointer param,
|
||
|
|
OutputFunc_t output);
|
||
|
|
static const gchar* circle_get_icon_name(void);
|
||
|
|
|
||
|
|
static ObjectClass_t circle_class = {
|
||
|
|
N_("C_ircle"),
|
||
|
|
NULL, /* info_dialog */
|
||
|
|
|
||
|
|
circle_is_valid,
|
||
|
|
NULL, /* circle_destruct */
|
||
|
|
circle_clone,
|
||
|
|
circle_assign,
|
||
|
|
NULL, /* circle_normalize */
|
||
|
|
circle_draw,
|
||
|
|
circle_draw_sashes,
|
||
|
|
circle_near_sash,
|
||
|
|
circle_point_is_on,
|
||
|
|
circle_get_dimensions,
|
||
|
|
circle_resize,
|
||
|
|
circle_move,
|
||
|
|
circle_create_info_widget,
|
||
|
|
circle_fill_info_tab, /* circle_update_info_widget */
|
||
|
|
circle_fill_info_tab,
|
||
|
|
circle_set_initial_focus,
|
||
|
|
circle_update,
|
||
|
|
circle_write_csim,
|
||
|
|
circle_write_cern,
|
||
|
|
circle_write_ncsa,
|
||
|
|
object_do_popup,
|
||
|
|
circle_get_icon_name
|
||
|
|
};
|
||
|
|
|
||
|
|
Object_t*
|
||
|
|
create_circle(gint x, gint y, gint r)
|
||
|
|
{
|
||
|
|
Circle_t *circle = g_new(Circle_t, 1);
|
||
|
|
circle->x = x;
|
||
|
|
circle->y = y;
|
||
|
|
circle->r = r;
|
||
|
|
return object_init(&circle->obj, &circle_class);
|
||
|
|
}
|
||
|
|
|
||
|
|
static gboolean
|
||
|
|
circle_is_valid(Object_t *obj)
|
||
|
|
{
|
||
|
|
return ObjectToCircle(obj)->r > 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static Object_t*
|
||
|
|
circle_clone(Object_t *obj)
|
||
|
|
{
|
||
|
|
Circle_t *circle = ObjectToCircle(obj);
|
||
|
|
Circle_t *clone = g_new(Circle_t, 1);
|
||
|
|
|
||
|
|
clone->x = circle->x;
|
||
|
|
clone->y = circle->y;
|
||
|
|
clone->r = circle->r;
|
||
|
|
return &clone->obj;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
circle_assign(Object_t *obj, Object_t *des)
|
||
|
|
{
|
||
|
|
Circle_t *src_circle = ObjectToCircle(obj);
|
||
|
|
Circle_t *des_circle = ObjectToCircle(des);
|
||
|
|
des_circle->x = src_circle->x;
|
||
|
|
des_circle->y = src_circle->y;
|
||
|
|
des_circle->r = src_circle->r;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
circle_draw(Object_t *obj, cairo_t *cr)
|
||
|
|
{
|
||
|
|
Circle_t *circle = ObjectToCircle(obj);
|
||
|
|
draw_circle(cr, circle->x, circle->y, circle->r);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
circle_draw_sashes(Object_t *obj, cairo_t *cr)
|
||
|
|
{
|
||
|
|
Circle_t *circle = ObjectToCircle(obj);
|
||
|
|
draw_sash(cr, circle->x - circle->r, circle->y - circle->r);
|
||
|
|
draw_sash(cr, circle->x + circle->r, circle->y - circle->r);
|
||
|
|
draw_sash(cr, circle->x - circle->r, circle->y + circle->r);
|
||
|
|
draw_sash(cr, circle->x + circle->r, circle->y + circle->r);
|
||
|
|
}
|
||
|
|
|
||
|
|
static gint sash_x;
|
||
|
|
static gint sash_y;
|
||
|
|
|
||
|
|
static void
|
||
|
|
move_sash(Object_t *obj, gint dx, gint dy)
|
||
|
|
{
|
||
|
|
Circle_t *circle = ObjectToCircle(obj);
|
||
|
|
gint rx, ry;
|
||
|
|
sash_x += dx;
|
||
|
|
sash_y += dy;
|
||
|
|
|
||
|
|
rx = abs(circle->x - sash_x);
|
||
|
|
ry = abs(circle->y - sash_y);
|
||
|
|
circle->r = (rx > ry) ? rx : ry;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
circle_resize(Object_t *obj, gint percentage_x, gint percentage_y)
|
||
|
|
{
|
||
|
|
Circle_t *circle = ObjectToCircle(obj);
|
||
|
|
circle->x = circle->x * percentage_x / 100;
|
||
|
|
circle->y = circle->y * percentage_y / 100;
|
||
|
|
circle->r = circle->r * ((percentage_x < percentage_y)
|
||
|
|
? percentage_x : percentage_y) / 100;
|
||
|
|
}
|
||
|
|
|
||
|
|
static MoveSashFunc_t
|
||
|
|
circle_near_sash(Object_t *obj, gint x, gint y)
|
||
|
|
{
|
||
|
|
Circle_t *circle = ObjectToCircle(obj);
|
||
|
|
sash_x = x;
|
||
|
|
sash_y = y;
|
||
|
|
if (near_sash(circle->x - circle->r, circle->y - circle->r, x, y) ||
|
||
|
|
near_sash(circle->x + circle->r, circle->y - circle->r, x, y) ||
|
||
|
|
near_sash(circle->x - circle->r, circle->y + circle->r, x, y) ||
|
||
|
|
near_sash(circle->x + circle->r, circle->y + circle->r, x, y))
|
||
|
|
return move_sash;
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
static gboolean
|
||
|
|
circle_point_is_on(Object_t *obj, gint x, gint y)
|
||
|
|
{
|
||
|
|
Circle_t *circle = ObjectToCircle(obj);
|
||
|
|
x -= circle->x;
|
||
|
|
y -= circle->y;
|
||
|
|
return x * x + y * y <= circle->r * circle->r;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
circle_get_dimensions(Object_t *obj, gint *x, gint *y,
|
||
|
|
gint *width, gint *height)
|
||
|
|
{
|
||
|
|
Circle_t *circle = ObjectToCircle(obj);
|
||
|
|
*x = circle->x - circle->r;
|
||
|
|
*y = circle->y - circle->r;
|
||
|
|
*width = *height = 2 * circle->r;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
circle_move(Object_t *obj, gint dx, gint dy)
|
||
|
|
{
|
||
|
|
Circle_t *circle = ObjectToCircle(obj);
|
||
|
|
circle->x += dx;
|
||
|
|
circle->y += dy;
|
||
|
|
}
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
Object_t *obj;
|
||
|
|
GtkWidget *x;
|
||
|
|
GtkWidget *y;
|
||
|
|
GtkWidget *r;
|
||
|
|
} CircleProperties_t;
|
||
|
|
|
||
|
|
static void
|
||
|
|
x_changed_cb(GtkWidget *widget, gpointer data)
|
||
|
|
{
|
||
|
|
Object_t *obj = ((CircleProperties_t*) data)->obj;
|
||
|
|
gint x = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(widget));
|
||
|
|
ObjectToCircle(obj)->x = x;
|
||
|
|
edit_area_info_dialog_emit_geometry_signal(obj->class->info_dialog);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
y_changed_cb(GtkWidget *widget, gpointer data)
|
||
|
|
{
|
||
|
|
Object_t *obj = ((CircleProperties_t*) data)->obj;
|
||
|
|
gint y = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(widget));
|
||
|
|
ObjectToCircle(obj)->y = y;
|
||
|
|
edit_area_info_dialog_emit_geometry_signal(obj->class->info_dialog);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
r_changed_cb(GtkWidget *widget, gpointer data)
|
||
|
|
{
|
||
|
|
Object_t *obj = ((CircleProperties_t*) data)->obj;
|
||
|
|
gint r = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(widget));
|
||
|
|
ObjectToCircle(obj)->r = r;
|
||
|
|
edit_area_info_dialog_emit_geometry_signal(obj->class->info_dialog);
|
||
|
|
}
|
||
|
|
|
||
|
|
static gpointer
|
||
|
|
circle_create_info_widget(GtkWidget *frame)
|
||
|
|
{
|
||
|
|
CircleProperties_t *props = g_new(CircleProperties_t, 1);
|
||
|
|
GtkWidget *grid, *label;
|
||
|
|
gint max_width = get_image_width();
|
||
|
|
gint max_height = get_image_height();
|
||
|
|
|
||
|
|
grid = gtk_grid_new ();
|
||
|
|
gtk_container_add (GTK_CONTAINER(frame), grid);
|
||
|
|
|
||
|
|
gtk_grid_set_row_spacing (GTK_GRID (grid), 6);
|
||
|
|
gtk_grid_set_column_spacing (GTK_GRID (grid), 6);
|
||
|
|
gtk_widget_show (grid);
|
||
|
|
|
||
|
|
label = create_label_in_grid (grid, 0, 0, _("Center _x:"));
|
||
|
|
props->x = create_spin_button_in_grid (grid, label, 0, 1, 1, 0,
|
||
|
|
max_width - 1);
|
||
|
|
g_signal_connect(props->x, "value-changed",
|
||
|
|
G_CALLBACK (x_changed_cb), (gpointer) props);
|
||
|
|
create_label_in_grid (grid, 0, 2, _("pixels"));
|
||
|
|
|
||
|
|
label = create_label_in_grid (grid, 1, 0, _("Center _y:"));
|
||
|
|
props->y = create_spin_button_in_grid (grid, label, 1, 1, 1, 0,
|
||
|
|
max_height - 1);
|
||
|
|
g_signal_connect(props->y, "value-changed",
|
||
|
|
G_CALLBACK (y_changed_cb), (gpointer) props);
|
||
|
|
create_label_in_grid (grid, 1, 2, _("pixels"));
|
||
|
|
|
||
|
|
label = create_label_in_grid (grid, 2, 0, _("_Radius:"));
|
||
|
|
props->r = create_spin_button_in_grid (grid, label, 2, 1, 1, 1, G_MAXINT);
|
||
|
|
g_signal_connect(props->r, "value-changed",
|
||
|
|
G_CALLBACK (r_changed_cb), (gpointer) props);
|
||
|
|
create_label_in_grid (grid, 2, 2, _("pixels"));
|
||
|
|
|
||
|
|
return props;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
circle_fill_info_tab(Object_t *obj, gpointer data)
|
||
|
|
{
|
||
|
|
Circle_t *circle = ObjectToCircle(obj);
|
||
|
|
CircleProperties_t *props = (CircleProperties_t*) data;
|
||
|
|
|
||
|
|
props->obj = obj;
|
||
|
|
gtk_spin_button_set_value(GTK_SPIN_BUTTON(props->x), circle->x);
|
||
|
|
gtk_spin_button_set_value(GTK_SPIN_BUTTON(props->y), circle->y);
|
||
|
|
gtk_spin_button_set_value(GTK_SPIN_BUTTON(props->r), circle->r);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
circle_set_initial_focus(Object_t *obj, gpointer data)
|
||
|
|
{
|
||
|
|
CircleProperties_t *props = (CircleProperties_t*) data;
|
||
|
|
gtk_widget_grab_focus(props->x);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
circle_update(Object_t* obj, gpointer data)
|
||
|
|
{
|
||
|
|
Circle_t *circle = ObjectToCircle(obj);
|
||
|
|
CircleProperties_t *props = (CircleProperties_t*) data;
|
||
|
|
|
||
|
|
circle->x = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(props->x));
|
||
|
|
circle->y = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(props->y));
|
||
|
|
circle->r = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(props->r));
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
circle_write_csim(Object_t *obj, gpointer param, OutputFunc_t output)
|
||
|
|
{
|
||
|
|
Circle_t *circle = ObjectToCircle(obj);
|
||
|
|
output(param, "\"circle\" coords=\"%d,%d,%d\"", circle->x, circle->y,
|
||
|
|
circle->r);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
circle_write_cern(Object_t *obj, gpointer param, OutputFunc_t output)
|
||
|
|
{
|
||
|
|
Circle_t *circle = ObjectToCircle(obj);
|
||
|
|
output(param, "circ (%d,%d) %d", circle->x, circle->y, circle->r);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
circle_write_ncsa(Object_t *obj, gpointer param, OutputFunc_t output)
|
||
|
|
{
|
||
|
|
Circle_t *circle = ObjectToCircle(obj);
|
||
|
|
output(param, "circle %s %d,%d %d,%d", obj->url,
|
||
|
|
circle->x, circle->y, circle->x, circle->y + circle->r);
|
||
|
|
}
|
||
|
|
|
||
|
|
static const gchar*
|
||
|
|
circle_get_icon_name(void)
|
||
|
|
{
|
||
|
|
return IMAP_CIRCLE;
|
||
|
|
}
|
||
|
|
|
||
|
|
static gint _start_x, _start_y;
|
||
|
|
|
||
|
|
static Object_t*
|
||
|
|
circle_factory_create_object1(gint x, gint y)
|
||
|
|
{
|
||
|
|
_start_x = x;
|
||
|
|
_start_y = y;
|
||
|
|
return create_circle(x, y, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
circle_factory_set_xy1(Object_t *obj, guint state, gint x, gint y)
|
||
|
|
{
|
||
|
|
Circle_t *circle = ObjectToCircle(obj);
|
||
|
|
|
||
|
|
circle->x = (_start_x + x) / 2;
|
||
|
|
circle->y = (_start_y + y) / 2;
|
||
|
|
x -= _start_x;
|
||
|
|
y -= _start_y;
|
||
|
|
circle->r = (gint) sqrt(x * x + y * y) / 2;
|
||
|
|
|
||
|
|
main_set_dimension(circle->r, circle->r);
|
||
|
|
}
|
||
|
|
|
||
|
|
static ObjectFactory_t circle_factory1 = {
|
||
|
|
NULL, /* Object pointer */
|
||
|
|
NULL, /* Finish func */
|
||
|
|
NULL, /* Cancel func */
|
||
|
|
circle_factory_create_object1,
|
||
|
|
circle_factory_set_xy1
|
||
|
|
};
|
||
|
|
|
||
|
|
static Object_t*
|
||
|
|
circle_factory_create_object2(gint x, gint y)
|
||
|
|
{
|
||
|
|
return create_circle(x, y, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
circle_factory_set_xy2(Object_t *obj, guint state, gint x, gint y)
|
||
|
|
{
|
||
|
|
Circle_t *circle = ObjectToCircle(obj);
|
||
|
|
|
||
|
|
x -= circle->x;
|
||
|
|
y -= circle->y;
|
||
|
|
circle->r = (gint) sqrt(x * x + y * y);
|
||
|
|
|
||
|
|
main_set_dimension(circle->r, circle->r);
|
||
|
|
}
|
||
|
|
|
||
|
|
static ObjectFactory_t circle_factory2 = {
|
||
|
|
NULL, /* Object pointer */
|
||
|
|
NULL, /* Finish func */
|
||
|
|
NULL, /* Cancel func */
|
||
|
|
circle_factory_create_object2,
|
||
|
|
circle_factory_set_xy2
|
||
|
|
};
|
||
|
|
|
||
|
|
ObjectFactory_t*
|
||
|
|
get_circle_factory(guint state)
|
||
|
|
{
|
||
|
|
return (state & GDK_SHIFT_MASK) ? &circle_factory1 : &circle_factory2;
|
||
|
|
}
|
