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netsurf/riscos/configure/con_image.c

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/*
* Copyright 2006 Richard Wilson <info@tinct.net>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf 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; version 2 of the License.
*
* NetSurf 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 <http://www.gnu.org/licenses/>.
*/
#include <stdbool.h>
#include "swis.h"
#include "oslib/osspriteop.h"
#include "oslib/wimp.h"
#include "utils/nsoption.h"
#include "riscos/configure/configure.h"
#include "riscos/dialog.h"
#include "riscos/menus.h"
#include "riscos/tinct.h"
#include "riscos/wimp.h"
#include "riscos/wimp_event.h"
#include "utils/log.h"
#include "utils/utils.h"
#define IMAGE_FOREGROUND_FIELD 3
#define IMAGE_FOREGROUND_MENU 4
#define IMAGE_BACKGROUND_FIELD 6
#define IMAGE_BACKGROUND_MENU 7
#define IMAGE_CURRENT_DISPLAY 8
#define IMAGE_SPEED_TEXT 11
#define IMAGE_SPEED_FIELD 12
#define IMAGE_SPEED_DEC 13
#define IMAGE_SPEED_INC 14
#define IMAGE_SPEED_CS 15
#define IMAGE_DISABLE_ANIMATION 16
#define IMAGE_DEFAULT_BUTTON 17
#define IMAGE_CANCEL_BUTTON 18
#define IMAGE_OK_BUTTON 19
static bool ro_gui_options_image_click(wimp_pointer *pointer);
static bool ro_gui_options_image_ok(wimp_w w);
static void ro_gui_options_image_redraw(wimp_draw *redraw);
static bool ro_gui_options_image_update(wimp_w w, wimp_i i, wimp_menu *m,
wimp_selection *s, menu_action a);
static void ro_gui_options_image_read(wimp_w w, unsigned int *bg,
unsigned int *fg);
static void ro_gui_options_update_shading(wimp_w w);
static osspriteop_area *example_images;
int example_users = 0;
unsigned int tinct_options[] = {tinct_USE_OS_SPRITE_OP, 0, tinct_DITHER,
tinct_ERROR_DIFFUSE};
bool ro_gui_options_image_initialise(wimp_w w)
{
char pathname[256];
int i;
/* load the sprite file */
if (example_users == 0) {
snprintf(pathname, 256, "%s.Resources.Image", NETSURF_DIR);
pathname[255] = '\0';
example_images = ro_gui_load_sprite_file(pathname);
if (!example_images)
return false;
}
example_users++;
/* set the current values */
for (i = 0; (i < 4); i++) {
if ((unsigned int)nsoption_int(plot_fg_quality) == tinct_options[i])
ro_gui_set_icon_string(w, IMAGE_FOREGROUND_FIELD,
image_quality_menu->entries[i].
data.indirected_text.text, true);
if ((unsigned int)nsoption_int(plot_bg_quality) == tinct_options[i])
ro_gui_set_icon_string(w, IMAGE_BACKGROUND_FIELD,
image_quality_menu->entries[i].
data.indirected_text.text, true);
}
ro_gui_set_icon_decimal(w, IMAGE_SPEED_FIELD,
nsoption_int(minimum_gif_delay), 2);
ro_gui_set_icon_selected_state(w, IMAGE_DISABLE_ANIMATION,
!nsoption_bool(animate_images));
ro_gui_options_update_shading(w);
/* register icons */
ro_gui_wimp_event_register_menu_gright(w, IMAGE_FOREGROUND_FIELD,
IMAGE_FOREGROUND_MENU, image_quality_menu);
ro_gui_wimp_event_register_menu_gright(w, IMAGE_BACKGROUND_FIELD,
IMAGE_BACKGROUND_MENU, image_quality_menu);
ro_gui_wimp_event_register_text_field(w, IMAGE_SPEED_TEXT);
ro_gui_wimp_event_register_numeric_field(w, IMAGE_SPEED_FIELD,
IMAGE_SPEED_INC, IMAGE_SPEED_DEC, 0, 6000, 10, 2);
ro_gui_wimp_event_register_checkbox(w, IMAGE_DISABLE_ANIMATION);
ro_gui_wimp_event_register_text_field(w, IMAGE_SPEED_CS);
ro_gui_wimp_event_register_redraw_window(w,
ro_gui_options_image_redraw);
ro_gui_wimp_event_register_mouse_click(w,
ro_gui_options_image_click);
ro_gui_wimp_event_register_menu_selection(w,
ro_gui_options_image_update);
ro_gui_wimp_event_register_cancel(w, IMAGE_CANCEL_BUTTON);
ro_gui_wimp_event_register_ok(w, IMAGE_OK_BUTTON,
ro_gui_options_image_ok);
ro_gui_wimp_event_set_help_prefix(w, "HelpImageConfig");
ro_gui_wimp_event_memorise(w);
return true;
}
void ro_gui_options_image_finalise(wimp_w w)
{
example_users--;
if (example_users == 0) {
free(example_images);
example_images = NULL;
}
ro_gui_wimp_event_finalise(w);
}
bool ro_gui_options_image_update(wimp_w w, wimp_i i, wimp_menu *m,
wimp_selection *s, menu_action a)
{
ro_gui_redraw_icon(w, IMAGE_CURRENT_DISPLAY);
return true;
}
void ro_gui_options_image_redraw(wimp_draw *redraw)
{
osbool more;
int origin_x, origin_y;
os_error *error;
wimp_icon_state icon_state;
osspriteop_header *bg = NULL, *fg = NULL;
unsigned int bg_tinct = 0, fg_tinct = 0;
/* get the icon location */
icon_state.w = redraw->w;
icon_state.i = IMAGE_CURRENT_DISPLAY;
error = xwimp_get_icon_state(&icon_state);
if (error) {
LOG(("xwimp_get_icon_state: 0x%x: %s",
error->errnum, error->errmess));
warn_user("MenuError", error->errmess);
return;
}
/* find the sprites */
if (example_images) {
ro_gui_options_image_read(redraw->w, &bg_tinct, &fg_tinct);
fg_tinct |= 0xeeeeee00;
xosspriteop_select_sprite(osspriteop_USER_AREA,
example_images, (osspriteop_id)"img_bg", &bg);
xosspriteop_select_sprite(osspriteop_USER_AREA,
example_images, (osspriteop_id)"img_fg", &fg);
}
/* perform the redraw */
more = wimp_redraw_window(redraw);
while (more) {
origin_x = redraw->box.x0 - redraw->xscroll +
icon_state.icon.extent.x0 + 2;
origin_y = redraw->box.y1 - redraw->yscroll +
icon_state.icon.extent.y0 + 2;
if (bg)
_swix(Tinct_Plot, _INR(2,4) | _IN(7),
bg, origin_x, origin_y, bg_tinct);
if (fg)
_swix(Tinct_PlotAlpha, _INR(2,4) | _IN(7),
fg, origin_x, origin_y, fg_tinct);
more = wimp_get_rectangle(redraw);
}
}
void ro_gui_options_image_read(wimp_w w, unsigned int *bg, unsigned int *fg)
{
const char *text;
int i;
text = ro_gui_get_icon_string(w, IMAGE_FOREGROUND_FIELD);
for (i = 0; i < 4; i++)
if (!strcmp(text, image_quality_menu->entries[i].
data.indirected_text.text))
*fg = tinct_options[i];
text = ro_gui_get_icon_string(w, IMAGE_BACKGROUND_FIELD);
for (i = 0; i < 4; i++)
if (!strcmp(text, image_quality_menu->entries[i].
data.indirected_text.text))
*bg = tinct_options[i];
}
bool ro_gui_options_image_click(wimp_pointer *pointer)
{
unsigned int old_fg, old_bg, bg, fg;
ro_gui_options_image_read(pointer->w, &old_bg, &old_fg);
switch (pointer->i) {
case IMAGE_DEFAULT_BUTTON:
ro_gui_set_icon_string(pointer->w,
IMAGE_FOREGROUND_FIELD,
image_quality_menu->entries[3].
data.indirected_text.text, true);
ro_gui_set_icon_string(pointer->w,
IMAGE_BACKGROUND_FIELD,
image_quality_menu->entries[2].
data.indirected_text.text, true);
ro_gui_set_icon_decimal(pointer->w, IMAGE_SPEED_FIELD,
10, 2);
ro_gui_set_icon_selected_state(pointer->w,
IMAGE_DISABLE_ANIMATION, false);
case IMAGE_DISABLE_ANIMATION:
ro_gui_options_update_shading(pointer->w);
break;
case IMAGE_CANCEL_BUTTON:
ro_gui_wimp_event_restore(pointer->w);
break;
default:
return false;
}
ro_gui_options_image_read(pointer->w, &bg, &fg);
if ((bg != old_bg) || (fg != old_fg))
ro_gui_options_image_update(pointer->w, pointer->i,
NULL, NULL, NO_ACTION);
return false;
}
void ro_gui_options_update_shading(wimp_w w)
{
bool shaded;
shaded = ro_gui_get_icon_selected_state(w, IMAGE_DISABLE_ANIMATION);
ro_gui_set_icon_shaded_state(w, IMAGE_SPEED_TEXT, shaded);
ro_gui_set_icon_shaded_state(w, IMAGE_SPEED_FIELD, shaded);
ro_gui_set_icon_shaded_state(w, IMAGE_SPEED_DEC, shaded);
ro_gui_set_icon_shaded_state(w, IMAGE_SPEED_INC, shaded);
ro_gui_set_icon_shaded_state(w, IMAGE_SPEED_CS, shaded);
}
bool ro_gui_options_image_ok(wimp_w w)
{
ro_gui_options_image_read(w,
(unsigned int *)&nsoption_int(plot_bg_quality),
(unsigned int *)&nsoption_int(plot_fg_quality));
nsoption_set_int(minimum_gif_delay,
ro_gui_get_icon_decimal(w, IMAGE_SPEED_FIELD, 2));
nsoption_set_bool(animate_images,
!ro_gui_get_icon_selected_state(w,
IMAGE_DISABLE_ANIMATION));
ro_gui_save_options();
return true;
}
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