netsurf/riscos/toolbar.c

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/*
* This file is part of NetSurf, http://netsurf.sourceforge.net/
* Licensed under the GNU General Public License,
* http://www.opensource.org/licenses/gpl-license
* Copyright 2004 Richard Wilson <not_ginger_matt@users.sourceforge.net>
*/
/** \file
* Customisable toolbars (implementation).
*/
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include "oslib/os.h"
#include "oslib/osspriteop.h"
#include "oslib/wimp.h"
#include "oslib/wimpspriteop.h"
#include "netsurf/riscos/gui.h"
#include "netsurf/riscos/toolbar.h"
#include "netsurf/riscos/wimp.h"
#include "netsurf/utils/log.h"
struct toolbar_icon {
/* The desired WIMP icon number (-1 for separator)
*/
int icon_number;
/* Set to non-zero to display the icon
*/
unsigned int available;
/* Icon dimensions (OS units)
*/
unsigned int width;
unsigned int height;
/* Icon validation string
*/
char validation[40];
/* The next icon (linked list)
*/
struct toolbar_icon *next_icon; // Next toolbar icon
};
/* A basic window for the toolbar and status
*/
static wimp_window empty_window = {
{0, 0, 16384, 16384},
0,
0,
wimp_TOP,
wimp_WINDOW_NEW_FORMAT | wimp_WINDOW_MOVEABLE | wimp_WINDOW_AUTO_REDRAW | wimp_WINDOW_FURNITURE_WINDOW,
wimp_COLOUR_BLACK,
wimp_COLOUR_LIGHT_GREY,
wimp_COLOUR_LIGHT_GREY,
wimp_COLOUR_VERY_LIGHT_GREY,
wimp_COLOUR_DARK_GREY,
wimp_COLOUR_MID_LIGHT_GREY,
wimp_COLOUR_CREAM,
wimp_WINDOW_NEVER3D,
{0, 0, 16384, 16384},
0,
0,
wimpspriteop_AREA,
12,
1,
{""},
0
};
/* Holder for quick icon creation
*/
static wimp_icon_create empty_icon;
/* Shared URL validation
*/
static char url_validation[] = "Pptr_write\0";
static char resize_validation[] = "R1;Pptr_lr,8,6\0";
static char null_text_string[] = "\0";
static struct toolbar *ro_toolbar_create_icons(struct toolbar *toolbar, osspriteop_area *sprite_area,
char *url_buffer, char *throbber_buffer);
static struct toolbar_icon *ro_toolbar_initialise_icon(osspriteop_area *sprite_area,
const char *sprite, unsigned int icon);
static struct toolbar_icon *ro_toolbar_create_separator(void);
static void ro_toolbar_destroy_icon(struct toolbar_icon *icon);
static void ro_toolbar_add_icon(struct toolbar *toolbar, struct toolbar_icon *icon);
/**
* Creates a toolbar with a complete set of icons
*
* \param sprite_area the sprite area to read from
*/
struct toolbar *ro_toolbar_create(osspriteop_area *sprite_area, char *url_buffer,
char *status_buffer, char *throbber_buffer) {
struct toolbar *toolbar;
wimp_i icon_handle;
/* Create a new toolbar
*/
toolbar = calloc(1, sizeof(struct toolbar));
if (!toolbar) return NULL;
toolbar->update_pending = true;
toolbar->standard_buttons = true;
toolbar->url_bar = true;
toolbar->throbber = true;
toolbar->status_window = true;
toolbar->status_old_width = 0xffffffff;
/* Load the toolbar icons
*/
if (sprite_area) {
ro_toolbar_add_icon(toolbar, ro_toolbar_initialise_icon(sprite_area, "back", ICON_TOOLBAR_BACK));
ro_toolbar_add_icon(toolbar, ro_toolbar_initialise_icon(sprite_area, "forward", ICON_TOOLBAR_FORWARD));
ro_toolbar_add_icon(toolbar, ro_toolbar_initialise_icon(sprite_area, "stop", ICON_TOOLBAR_STOP));
ro_toolbar_add_icon(toolbar, ro_toolbar_initialise_icon(sprite_area, "reload", ICON_TOOLBAR_RELOAD));
ro_toolbar_add_icon(toolbar, ro_toolbar_create_separator());
/* ro_toolbar_add_icon(toolbar, ro_toolbar_initialise_icon(sprite_area, "home", ICON_TOOLBAR_HOME)); */
/* ro_toolbar_add_icon(toolbar, ro_toolbar_initialise_icon(sprite_area, "up", ICON_TOOLBAR_UP)); */
/* ro_toolbar_add_icon(toolbar, ro_toolbar_initialise_icon(sprite_area, "search", ICON_TOOLBAR_SEARCH)); */
ro_toolbar_add_icon(toolbar, ro_toolbar_initialise_icon(sprite_area, "history", ICON_TOOLBAR_HISTORY));
ro_toolbar_add_icon(toolbar, ro_toolbar_initialise_icon(sprite_area, "scale", ICON_TOOLBAR_SCALE));
ro_toolbar_add_icon(toolbar, ro_toolbar_create_separator());
/* ro_toolbar_add_icon(toolbar, ro_toolbar_initialise_icon(sprite_area, "mark", ICON_TOOLBAR_BOOKMARK)); */
ro_toolbar_add_icon(toolbar, ro_toolbar_initialise_icon(sprite_area, "save", ICON_TOOLBAR_SAVE));
/* ro_toolbar_add_icon(toolbar, ro_toolbar_initialise_icon(sprite_area, "print", ICON_TOOLBAR_PRINT)); */
}
/* Set the sprite area
*/
if (sprite_area) {
empty_window.sprite_area = sprite_area;
} else {
empty_window.sprite_area = (osspriteop_area *) 1;
}
/* Create the basic windows
*/
empty_window.ymin = 36;
if (xwimp_create_window(&empty_window, &toolbar->status_handle)) {
ro_toolbar_destroy(toolbar);
return NULL;
}
empty_window.ymin = 1;
if (xwimp_create_window(&empty_window, &toolbar->toolbar_handle)) {
ro_toolbar_destroy(toolbar);
return NULL;
}
/* Create the status window icons. First the status text
*/
empty_icon.w = toolbar->status_handle;
empty_icon.icon.extent.x0 = 0;
empty_icon.icon.extent.y0 = 0;
empty_icon.icon.extent.x1 = 16384;
empty_icon.icon.extent.y1 = 36;
empty_icon.icon.flags = wimp_ICON_TEXT | (wimp_COLOUR_BLACK << wimp_ICON_FG_COLOUR_SHIFT) |
wimp_ICON_INDIRECTED | wimp_ICON_VCENTRED;
empty_icon.icon.data.indirected_text.text = status_buffer;
empty_icon.icon.data.indirected_text.validation = 0;
empty_icon.icon.data.indirected_text.size = 256;
if (xwimp_create_icon(&empty_icon, &icon_handle)) {
ro_toolbar_destroy(toolbar);
return NULL;
}
/* And finally the status resize icon
*/
empty_icon.icon.flags = wimp_ICON_TEXT | wimp_ICON_INDIRECTED |
wimp_ICON_BORDER | wimp_ICON_FILLED |
(wimp_COLOUR_LIGHT_GREY << wimp_ICON_BG_COLOUR_SHIFT) |
(wimp_BUTTON_CLICK_DRAG << wimp_ICON_BUTTON_TYPE_SHIFT);
empty_icon.icon.extent.x1 = 0;
empty_icon.icon.data.indirected_text.text = null_text_string;
empty_icon.icon.data.indirected_text.validation = resize_validation;
empty_icon.icon.data.indirected_text.size = 1;
if (xwimp_create_icon(&empty_icon, &icon_handle)) {
ro_toolbar_destroy(toolbar);
return NULL;
}
/* Create the icons
*/
toolbar = ro_toolbar_create_icons(toolbar, sprite_area, url_buffer, throbber_buffer);
/* Return the toolbar
*/
return toolbar;
}
/**
* Creates a WIMP icons for the toolbar
*
* \param toolbar the toolbar to build from
* \param sprite_area the sprite area to plot sprites from
*/
static struct toolbar *ro_toolbar_create_icons(struct toolbar *toolbar, osspriteop_area *sprite_area,
char *url_buffer, char *throbber_buffer) {
int index;
struct toolbar_icon *cur_icon;
wimp_i icon_handle;
/* Set the basic icon flags
*/
empty_icon.w = toolbar->toolbar_handle;
empty_icon.icon.extent.x0 = 0;
empty_icon.icon.extent.y0 = 0;
empty_icon.icon.extent.x1 = 0;
empty_icon.icon.extent.y1 = 0;
empty_icon.icon.data.indirected_text.text = null_text_string;
empty_icon.icon.data.indirected_text.size = 1;
empty_icon.icon.flags = wimp_ICON_TEXT | wimp_ICON_SPRITE | wimp_ICON_INDIRECTED |
wimp_ICON_HCENTRED | wimp_ICON_VCENTRED |
(wimp_BUTTON_CLICK << wimp_ICON_BUTTON_TYPE_SHIFT);
/* Create all the required icons
*/
for (index = 0; index < ICON_TOOLBAR_URL; index++) {
/* Find an icon with the correct index and get the validation
*/
empty_icon.icon.data.indirected_text.validation = 0;
cur_icon = toolbar->icon;
while (cur_icon) {
if (cur_icon->icon_number == index) {
empty_icon.icon.data.indirected_text.validation = cur_icon->validation;
cur_icon = NULL;
} else {
cur_icon = cur_icon->next_icon;
}
}
/* Create the icon and destroy the toolbar on failure
*/
if (xwimp_create_icon(&empty_icon, &icon_handle)) {
ro_toolbar_destroy(toolbar);
return NULL;
}
}
/* Now the URL icon
*/
empty_icon.icon.flags = wimp_ICON_TEXT | wimp_ICON_INDIRECTED | wimp_ICON_VCENTRED |
wimp_ICON_BORDER | wimp_ICON_FILLED |
(wimp_COLOUR_BLACK << wimp_ICON_FG_COLOUR_SHIFT) |
(wimp_BUTTON_WRITE_CLICK_DRAG << wimp_ICON_BUTTON_TYPE_SHIFT);
empty_icon.icon.data.indirected_text.text = url_buffer;
empty_icon.icon.data.indirected_text.validation = url_validation;
empty_icon.icon.data.indirected_text.size = 256;
if (xwimp_create_icon(&empty_icon, &icon_handle)) {
ro_toolbar_destroy(toolbar);
return NULL;
}
/* Now the throbber
*/
empty_icon.icon.flags = wimp_ICON_SPRITE | wimp_ICON_INDIRECTED | wimp_ICON_HCENTRED |
wimp_ICON_VCENTRED;
empty_icon.icon.data.indirected_sprite.id = (osspriteop_id)throbber_buffer;
if (sprite_area) {
empty_icon.icon.data.indirected_sprite.area = sprite_area;
} else {
empty_icon.icon.data.indirected_sprite.area = (osspriteop_area *) 1;
}
empty_icon.icon.data.indirected_sprite.size = 12;
if (xwimp_create_icon(&empty_icon, &icon_handle)) {
ro_toolbar_destroy(toolbar);
return NULL;
}
/* And finally the status resize icon
*/
empty_icon.w = toolbar->status_handle;
empty_icon.icon.flags = wimp_ICON_TEXT | wimp_ICON_INDIRECTED |
wimp_ICON_BORDER | wimp_ICON_FILLED |
(wimp_COLOUR_LIGHT_GREY << wimp_ICON_BG_COLOUR_SHIFT) |
(wimp_BUTTON_CLICK_DRAG << wimp_ICON_BUTTON_TYPE_SHIFT);
empty_icon.icon.data.indirected_text.text = null_text_string;
empty_icon.icon.data.indirected_text.validation = resize_validation;
empty_icon.icon.data.indirected_text.size = 1;
if (xwimp_create_icon(&empty_icon, &icon_handle)) {
ro_toolbar_destroy(toolbar);
return NULL;
}
/* Success - return what we had
*/
return toolbar;
}
/**
* Releases all icons and associated memory for a toolbar
*
* \param toolbar the toolbar to destroy
*/
void ro_toolbar_destroy(struct toolbar *toolbar) {
struct toolbar_icon *cur_icon;
struct toolbar_icon *next_icon;
/* Paranoia
*/
if (toolbar == NULL) return;
/* Free all our icons
*/
next_icon = toolbar->icon;
while((cur_icon = next_icon) != NULL) {
next_icon = cur_icon->next_icon;
ro_toolbar_destroy_icon(cur_icon);
}
/* Destroy our windows
*/
if (toolbar->status_handle) xwimp_delete_window(toolbar->status_handle);
if (toolbar->toolbar_handle) xwimp_delete_window(toolbar->toolbar_handle);
/* Destroy ourself
*/
free(toolbar);
}
/**
* Creates a toolbar icon
*
* \param sprite_area the sprite area to read from
* \param sprite the requested sprite
* \param icon the icon number
*/
struct toolbar_icon *ro_toolbar_initialise_icon(osspriteop_area *sprite_area,
const char *sprite, unsigned int icon) {
struct toolbar_icon *current_icon;
os_coord dimensions;
char name[16];
osbool mask;
os_mode mode;
os_error *error;
strcpy(name, sprite);
/* Get the sprite details
*/
error = xosspriteop_read_sprite_info(osspriteop_USER_AREA,
sprite_area, (osspriteop_id) name,
&dimensions.x, &dimensions.y, &mask, &mode);
if (error && error->errnum == error_SPRITE_OP_DOESNT_EXIST) {
/** \todo inform user */
return NULL;
} else if (error) {
LOG(("xosspriteop_read_sprite_info: 0x%x: %s",
error->errnum, error->errmess));
warn_user("TbarError", error->errmess);
return NULL;
}
/* Create an icon
*/
current_icon = (struct toolbar_icon *)calloc(1, sizeof(struct toolbar_icon));
if (!current_icon) return NULL;
/* Get the validation buffer for 'R5;S<name>,p<name>\0'. We always assume
there is a pushed variant as RISC OS happily ignores it if it doesn't
exist.
*/
sprintf(current_icon->validation, "R5;S%s,p%s", name, name);
/* We want eig factors rather than pixels
*/
ro_convert_pixels_to_os_units(&dimensions, mode);
current_icon->width = dimensions.x;
current_icon->height = dimensions.y;
current_icon->icon_number = icon;
current_icon->available = true;
/* Return our structure
*/
return current_icon;
}
/**
* Creates a toolbar separator icon
*
*/
static struct toolbar_icon *ro_toolbar_create_separator(void) {
struct toolbar_icon *current_icon;
/* Create an icon
*/
current_icon = (struct toolbar_icon *)calloc(1, sizeof(struct toolbar_icon));
if (!current_icon) return NULL;
/* Set it as a 8 OS unit separator
*/
current_icon->icon_number = -1;
current_icon->available = true;
current_icon->width = 16;
/* Return our structure
*/
return current_icon;
}
/**
* Removes all associated memory with a toolbar icon
*
* \param icon the icon to destroy
*/
static void ro_toolbar_destroy_icon(struct toolbar_icon *icon) {
free(icon);
}
/**
* Adds a toolbar icon to the toolbar
*
* \param toolbar the toolbar to add to
* \param icon the icon to add
*/
static void ro_toolbar_add_icon(struct toolbar *toolbar, struct toolbar_icon *icon) {
struct toolbar_icon *cur_icon;
/* If we've been given a NULL due to a failure to create a toolbar
icon then we barf.
*/
if (icon == NULL) return;
/* Traverse to the end of our linked list.
*/
cur_icon = toolbar->icon;
if (!cur_icon) {
/* First icon cannot be a separator. Well, it can, but it's very unlikely
that this has arisen from anything other than the previous icons not
being present
*/
if (icon->icon_number < 0) return;
toolbar->icon = icon;
} else {
while (cur_icon->next_icon) cur_icon = cur_icon->next_icon;
/* Two separators should not follow each other.
*/
if ((cur_icon->icon_number < 0) && (icon->icon_number < 0)) return;
cur_icon->next_icon = icon;
}
/* Stop potential circular linking
*/
icon->next_icon = NULL;
}
/**
* Resizes the status bar height (toolsprites change)
*
* \param toolbar the toolbar to update
* \param height the new status bar height
*/
void ro_toolbar_resize_status(struct toolbar *toolbar, int height) {
os_box extent = { 0, 0, 0, 0 };
wimp_WINDOW_INFO(3) status_definition; // Barfs if 2 is used!?!?!
wimp_window *status_window;
/* Paranoia
*/
if (toolbar == NULL) return;
/* Check if we need to update
*/
if (toolbar->status_height == height) return;
toolbar->status_height = height;
/* Get the window info
*/
status_definition.w = toolbar->status_handle;
if (xwimp_get_window_info((wimp_window_info *)&status_definition)) {
return;
}
/* Modify the window
*/
status_window = (wimp_window *)((char *)(&status_definition) + 4);
status_window->ymin = height - 2;
status_window->visible.y1 = height - 2;
status_window->extent.y1 = height - 2;
/* Recreate the window
*/
xwimp_delete_window(toolbar->status_handle);
xwimp_create_window(status_window, &toolbar->status_handle);
/* Resize the text icon (resize icon is handled automatically
*/
xwimp_resize_icon(toolbar->status_handle, ICON_STATUS_TEXT,
0, 0, 16384, height - 2);
xwimp_force_redraw(toolbar->status_handle, 0, 0, 16384, height);
extent.x1 = 16384;
extent.y1 = height - 2;
xwimp_set_extent(toolbar->status_handle, &extent);
}
/**
* Reformat the contents of the toolbar/status window
*
* \param toolbar the toolbar to update
* \param width the new toolbar width
* \return non-zero if the toolbar height has changed
*/
int ro_toolbar_reformat(struct toolbar *toolbar, int width) {
wimp_caret caret;
unsigned int right_margin = 8;
int min_width = 0;
int status_width = 0;
int old_width;
/* Paranoia
*/
if (toolbar == NULL) return 0;
/* Check we aren't too small
*/
toolbar->width = width;
if (toolbar->throbber) min_width = toolbar->throbber_width + 8;
if (toolbar->standard_buttons) min_width += toolbar->icon_width;
if (toolbar->url_bar) min_width += 64;
if (width < min_width) width = min_width;
/* Check if we need to update the icons
*/
if (toolbar->update_pending) {
toolbar->update_pending = 0;
toolbar->width_internal = 0xffffffff;
return ro_toolbar_update(toolbar);
}
/* See if we need to move anything
*/
if (width != toolbar->width_internal) {
toolbar->width_internal = width;
/* Move the throbber
*/
if ((toolbar->throbber) && (toolbar->throbber_width > 0)) {
xwimp_resize_icon(toolbar->toolbar_handle, ICON_TOOLBAR_THROBBER,
width - toolbar->throbber_width - 8,
(toolbar->height - toolbar->throbber_height) / 2,
width - 8,
(toolbar->height + toolbar->throbber_height) / 2);
right_margin += toolbar->throbber_width + 8;
}
/* Resize the URL bar
*/
if (toolbar->url_bar) {
xwimp_resize_icon(toolbar->toolbar_handle, ICON_TOOLBAR_URL,
toolbar->icon_width,
(toolbar->height - 52) / 2,
width - right_margin,
(toolbar->height + 52) / 2);
/* Handle the caret moving
*/
if (!xwimp_get_caret_position(&caret)) {
if ((caret.w == toolbar->toolbar_handle) && (caret.i == ICON_TOOLBAR_URL)) {
xwimp_set_caret_position(toolbar->toolbar_handle, ICON_TOOLBAR_URL,
caret.pos.x, caret.pos.y, -1, caret.index);
}
}
}
/* Force a redraw
*/
xwimp_force_redraw(toolbar->toolbar_handle, toolbar->icon_width, 0, width, toolbar->height);
}
/* Move the status resize icon
*/
if (toolbar->status_window) {
status_width = toolbar->width - toolbar->status_width;
if (status_width < 12) status_width = 12;
old_width = toolbar->status_old_width;
toolbar->status_old_width = status_width;
if (old_width != status_width) {
xwimp_resize_icon(toolbar->status_handle, ICON_STATUS_RESIZE,
status_width - 12,
0,
status_width,
toolbar->status_height - 2);
xwimp_force_redraw(toolbar->status_handle,
status_width - 12, 0, status_width, toolbar->status_height - 2);
xwimp_force_redraw(toolbar->status_handle,
old_width - 12, 0, old_width, toolbar->status_height - 2);
}
}
/* No change in height
*/
return 0;
}
/**
* Updates the icon states and positions.
*
* Any necessary redrawing is performed for the client.
* The client is responsible for resizing/opening/closing the window when necessary.
*
* \param toolbar the toolbar to update
* \return non-zero if the toolbar height has changed
*/
int ro_toolbar_update(struct toolbar *toolbar) {
wimp_caret caret;
struct toolbar_icon *cur_icon;
unsigned int toolbar_height = 0;
unsigned int icon_left = 4;
int return_status;
/* Paranoia
*/
if (toolbar == NULL) return 0;
/* Calculate the toolbar height (4 os unit border)
*/
if (toolbar->url_bar) toolbar_height = 52;
if ((toolbar->throbber) && (toolbar_height < (toolbar->throbber_height + 4))) {
toolbar_height = toolbar->throbber_height + 4;
}
/* Calculate the maximum height of the icons
*/
if (toolbar->standard_buttons) {
cur_icon = toolbar->icon;
while (cur_icon) {
if ((cur_icon->available) && (toolbar_height < (cur_icon->height + 4))) {
toolbar_height = cur_icon->height + 4;
}
cur_icon = cur_icon->next_icon;
}
}
/* Set our return status
*/
if (toolbar_height != 0) toolbar_height += 8;
return_status = (toolbar_height == toolbar->height);
toolbar->height = toolbar_height;
/* Move our icons. Icons that are not avaiable are moved off the visible area.
*/
cur_icon = toolbar->icon;
while (cur_icon) {
if ((cur_icon->available) && (toolbar->standard_buttons)) {
if (cur_icon->icon_number >= 0) {
xwimp_resize_icon(toolbar->toolbar_handle, cur_icon->icon_number,
icon_left,
(toolbar_height - cur_icon->height) / 2,
icon_left + cur_icon->width,
(toolbar_height + cur_icon->height) / 2);
}
icon_left += cur_icon->width;
} else {
if (cur_icon->icon_number >= 0) {
xwimp_resize_icon(toolbar->toolbar_handle, cur_icon->icon_number,
0,
1024 + toolbar_height,
cur_icon->width,
1024 + toolbar_height + cur_icon->height);
}
}
cur_icon = cur_icon->next_icon;
}
/* Make a 8 OS unit spacer between icons and URL bar
*/
if (icon_left != 4) icon_left += 8;
toolbar->icon_width = icon_left;
/* Hide the URL bar if we should (and shade it to stop caret issues)
*/
if (!toolbar->url_bar) {
/* Handle losing the caret
*/
if (!xwimp_get_caret_position(&caret)) {
if ((caret.w == toolbar->toolbar_handle) && (caret.i == ICON_TOOLBAR_URL)) {
xwimp_set_caret_position((wimp_w)-1, 0, 0, 0, 0, 0);
}
}
xwimp_resize_icon(toolbar->toolbar_handle, ICON_TOOLBAR_URL,
0,
1024 + toolbar_height,
64,
1024 + toolbar_height + 52);
ro_gui_set_icon_shaded_state(toolbar->toolbar_handle, ICON_TOOLBAR_URL, true);
} else {
ro_gui_set_icon_shaded_state(toolbar->toolbar_handle, ICON_TOOLBAR_URL, false);
}
/* Hide the throbber if we should
*/
if (!toolbar->throbber) {
xwimp_resize_icon(toolbar->toolbar_handle, ICON_TOOLBAR_THROBBER,
0,
1024 + toolbar_height,
toolbar->throbber_width,
1024 + toolbar_height + toolbar->throbber_height);
}
/* Redraw the entire window
*/
ro_toolbar_reformat(toolbar, toolbar->width);
xwimp_force_redraw(toolbar->toolbar_handle, 0, 0, toolbar->width, toolbar_height);
/* Update the toolbar height
*/
return return_status;
}