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netsurf/riscos/treeview.c

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/*
* Copyright 2005 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/>.
*/
/** \file
* Generic tree handling (implementation).
*/
#include <assert.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <swis.h>
#include <time.h>
#include "oslib/colourtrans.h"
#include "oslib/dragasprite.h"
#include "oslib/osbyte.h"
#include "oslib/osspriteop.h"
#include "oslib/wimp.h"
#include "content/urldb.h"
#include "desktop/browser.h"
#include "desktop/plotters.h"
#include "desktop/tree.h"
#include "riscos/bitmap.h"
#include "riscos/dialog.h"
#include "riscos/gui.h"
#include "riscos/image.h"
#include "riscos/menus.h"
#include "riscos/theme.h"
#include "riscos/tinct.h"
#include "riscos/textarea.h"
#include "riscos/treeview.h"
#include "riscos/wimp.h"
#include "riscos/wimp_event.h"
#include "utils/log.h"
#include "utils/messages.h"
#include "utils/utils.h"
#ifndef wimp_KEY_END
#define wimp_KEY_END wimp_KEY_COPY
#endif
#define TREE_EXPAND 0
#define TREE_COLLAPSE 1
static bool ro_gui_tree_initialise_sprite(const char *name, int number);
static void ro_gui_tree_launch_selected_node(struct tree *tree, struct node *node, bool all);
static bool ro_gui_tree_launch_node(struct tree *tree, struct node *node);
static void tree_handle_node_changed_callback(void *p);
/* an array of sprite addresses for Tinct */
static char *ro_gui_tree_sprites[2];
/* origin adjustment */
static int ro_gui_tree_origin_x;
static int ro_gui_tree_origin_y;
/* element drawing */
static wimp_icon ro_gui_tree_icon;
static char ro_gui_tree_icon_validation[24];
static char ro_gui_tree_icon_null[] = "\0";
/* dragging information */
static struct tree *ro_gui_tree_current_drag_tree;
static wimp_mouse_state ro_gui_tree_current_drag_buttons;
/* editing information */
static wimp_icon_create ro_gui_tree_edit_icon;
/* dragging information */
static char ro_gui_tree_drag_name[12];
/* callback update */
struct node_update {
struct tree *tree;
struct node *node;
};
/**
* Performs any initialisation for tree rendering
*/
bool ro_gui_tree_initialise(void)
{
if (ro_gui_tree_initialise_sprite("expand", TREE_EXPAND) ||
ro_gui_tree_initialise_sprite("collapse", TREE_COLLAPSE))
return false;
ro_gui_tree_edit_icon.icon.flags = wimp_ICON_TEXT | wimp_ICON_INDIRECTED |
wimp_ICON_VCENTRED | wimp_ICON_FILLED | wimp_ICON_BORDER |
(wimp_COLOUR_WHITE << wimp_ICON_BG_COLOUR_SHIFT) |
(wimp_COLOUR_BLACK << wimp_ICON_FG_COLOUR_SHIFT) |
(wimp_BUTTON_WRITABLE << wimp_ICON_BUTTON_TYPE_SHIFT);
ro_gui_tree_edit_icon.icon.data.indirected_text.validation =
ro_gui_tree_icon_null;
ro_gui_tree_edit_icon.icon.data.indirected_text.size = 256;
return true;
}
/**
* Initialise a sprite for use with Tinct
*
* \param name the name of the sprite
* \param number the sprite cache number
* \return whether an error occurred during initialisation
*/
bool ro_gui_tree_initialise_sprite(const char *name, int number)
{
char icon_name[12];
os_error *error;
sprintf(icon_name, "tr_%s", name);
error = xosspriteop_select_sprite(osspriteop_USER_AREA, gui_sprites,
(osspriteop_id)icon_name,
(osspriteop_header **)&ro_gui_tree_sprites[number]);
if (error) {
warn_user("MiscError", error->errmess);
LOG(("Failed to find sprite 'tr_%s'", name));
return true;
}
return false;
}
/**
* Informs the current window manager that an area requires updating.
*
* \param tree the tree that is requesting a redraw
* \param x the x co-ordinate of the redraw area
* \param y the y co-ordinate of the redraw area
* \param width the width of the redraw area
* \param height the height of the redraw area
*/
void tree_redraw_area(struct tree *tree, int x, int y, int width, int height)
{
os_error *error;
assert(tree);
assert(tree->handle);
if (tree->toolbar)
y += ro_gui_theme_toolbar_height(tree->toolbar);
error = xwimp_force_redraw((wimp_w)tree->handle, tree->offset_x + x - 2,
-tree->offset_y - y - height, tree->offset_x + x + width + 4,
-tree->offset_y - y);
if (error) {
LOG(("xwimp_force_redraw: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
}
}
/**
* Draws a line.
*
* \param tree the tree to draw a line for
* \param x the x co-ordinate
* \param x the y co-ordinate
* \param x the width of the line
* \param x the height of the line
*/
void tree_draw_line(int x, int y, int width, int height)
{
os_error *error;
int y0, y1;
/* stop the 16-bit co-ordinate system from causing redraw errors */
y1 = ro_gui_tree_origin_y - y;
if (y1 < 0)
return;
y0 = y1 - height;
if (y0 > 16384)
return;
if (y0 < 0)
y0 = 0;
if (y1 > 16384)
y1 = 16384;
error = xcolourtrans_set_gcol((os_colour)0x88888800, 0, os_ACTION_OVERWRITE,
0, 0);
if (error) {
LOG(("xcolourtrans_set_gcol: 0x%x: %s",
error->errnum, error->errmess));
warn_user("MiscError", error->errmess);
return;
}
error = xos_plot(os_MOVE_TO, ro_gui_tree_origin_x + x, y0);
if (!error)
xos_plot(os_PLOT_TO, ro_gui_tree_origin_x + x + width, y1);
if (error) {
LOG(("xos_plot: 0x%x: %s",
error->errnum, error->errmess));
warn_user("MiscError", error->errmess);
return;
}
}
/**
* Draws an element, including any expansion icons
*
* \param tree the tree to draw an element for
* \param element the element to draw
*/
void tree_draw_node_element(struct tree *tree, struct node_element *element)
{
os_error *error;
int toolbar_height = 0;
struct node_element *url_element;
const struct bitmap *bitmap = NULL;
struct node_update *update;
char *frame;
rufl_code code;
int x0, y0, x1, y1;
bool selected = false;
colour bg, c;
assert(tree);
assert(element);
assert(element->parent);
if (tree->toolbar)
toolbar_height = ro_gui_theme_toolbar_height(tree->toolbar);
x0 = ro_gui_tree_origin_x + element->box.x;
x1 = x0 + element->box.width;
y1 = ro_gui_tree_origin_y - element->box.y;
y0 = y1 - element->box.height;
if (&element->parent->data == element)
if (element->parent->selected)
selected = true;
switch (element->type) {
case NODE_ELEMENT_TEXT_PLUS_SPRITE:
assert(element->sprite);
ro_gui_tree_icon.flags = wimp_ICON_INDIRECTED | wimp_ICON_VCENTRED;
if (selected)
ro_gui_tree_icon.flags |= wimp_ICON_SELECTED;
ro_gui_tree_icon.extent.x0 = tree->offset_x + element->box.x;
ro_gui_tree_icon.extent.y1 = -tree->offset_y - element->box.y -
toolbar_height;
ro_gui_tree_icon.extent.x1 = ro_gui_tree_icon.extent.x0 +
NODE_INSTEP;
ro_gui_tree_icon.extent.y0 = -tree->offset_y - element->box.y -
element->box.height - toolbar_height;
ro_gui_tree_icon.flags |= wimp_ICON_TEXT | wimp_ICON_SPRITE;
ro_gui_tree_icon.data.indirected_text_and_sprite.text =
ro_gui_tree_icon_null;
ro_gui_tree_icon.data.indirected_text_and_sprite.validation =
ro_gui_tree_icon_validation;
ro_gui_tree_icon.data.indirected_text_and_sprite.size = 1;
if (element->parent->expanded) {
sprintf(ro_gui_tree_icon_validation, "S%s",
element->sprite->expanded_name);
} else {
sprintf(ro_gui_tree_icon_validation, "S%s",
element->sprite->name);
}
error = xwimp_plot_icon(&ro_gui_tree_icon);
if (error) {
LOG(("xwimp_plot_icon: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
}
x0 += NODE_INSTEP;
/* fall through */
case NODE_ELEMENT_TEXT:
assert(element->text);
if (element == tree->editing)
return;
if (ro_gui_tree_icon.flags & wimp_ICON_SELECTED)
ro_gui_tree_icon.flags |= wimp_ICON_FILLED;
if (selected) {
error = xcolourtrans_set_gcol((os_colour)0x00000000, 0,
os_ACTION_OVERWRITE, 0, 0);
if (error) {
LOG(("xcolourtrans_set_gcol: 0x%x: %s",
error->errnum, error->errmess));
warn_user("MiscError", error->errmess);
return;
}
error = xos_plot(os_MOVE_TO, x0, y0);
if (!error)
error = xos_plot(os_PLOT_RECTANGLE | os_PLOT_TO, x1-1, y1-1);
if (error) {
LOG(("xos_plot: 0x%x: %s",
error->errnum, error->errmess));
warn_user("MiscError", error->errmess);
return;
}
bg = 0x0000000;
c = 0x00eeeeee;
} else {
bg = 0x00ffffff;
c = 0x00000000;
}
error = xcolourtrans_set_font_colours(font_CURRENT,
bg << 8, c << 8, 14, 0, 0, 0);
if (error) {
LOG(("xcolourtrans_set_font_colours: 0x%x: %s",
error->errnum, error->errmess));
return;
}
code = rufl_paint(ro_gui_desktop_font_family, ro_gui_desktop_font_style,
ro_gui_desktop_font_size,
element->text, strlen(element->text),
x0 + 8, y0 + 10,
rufl_BLEND_FONT);
if (code != rufl_OK) {
if (code == rufl_FONT_MANAGER_ERROR)
LOG(("rufl_paint: rufl_FONT_MANAGER_ERROR: 0x%x: %s",
rufl_fm_error->errnum,
rufl_fm_error->errmess));
else
LOG(("rufl_paint: 0x%x", code));
}
break;
case NODE_ELEMENT_THUMBNAIL:
url_element = tree_find_element(element->parent, TREE_ELEMENT_URL);
if (url_element)
bitmap = urldb_get_thumbnail(url_element->text);
if (bitmap) {
frame = bitmap_get_buffer(bitmap);
if (!frame)
urldb_set_thumbnail(url_element->text, NULL);
if ((!frame) || (element->box.width == 0)) {
update = calloc(sizeof(struct node_update), 1);
if (!update)
return;
update->tree = tree;
update->node = element->parent;
schedule(0, tree_handle_node_changed_callback,
update);
return;
}
image_redraw(bitmap->sprite_area,
ro_gui_tree_origin_x + element->box.x + 2,
ro_gui_tree_origin_y - element->box.y,
bitmap->width, bitmap->height,
bitmap->width, bitmap->height,
0xffffff,
false, false, false,
IMAGE_PLOT_TINCT_OPAQUE);
if (!tree->no_furniture) {
tree_draw_line(element->box.x,
element->box.y,
element->box.width - 1,
0);
tree_draw_line(element->box.x,
element->box.y,
0,
element->box.height - 3);
tree_draw_line(element->box.x,
element->box.y + element->box.height - 3,
element->box.width - 1,
0);
tree_draw_line(element->box.x + element->box.width - 1,
element->box.y,
0,
element->box.height - 3);
}
}
break;
}
}
void tree_handle_node_changed_callback(void *p)
{
struct node_update *update = p;
tree_handle_node_changed(update->tree, update->node, true, false);
free(update);
}
/**
* Draws an elements expansion icon
*
* \param tree the tree to draw the expansion for
* \param element the element to draw the expansion for
*/
void tree_draw_node_expansion(struct tree *tree, struct node *node)
{
unsigned int type;
assert(tree);
assert(node);
if ((node->child) || (node->data.next)) {
if (node->expanded) {
type = TREE_COLLAPSE;
} else {
type = TREE_EXPAND;
}
_swix(Tinct_Plot, _IN(2) | _IN(3) | _IN(4) | _IN(7),
ro_gui_tree_sprites[type],
ro_gui_tree_origin_x + node->box.x -
(NODE_INSTEP / 2) - 8,
ro_gui_tree_origin_y - node->box.y -
(TREE_TEXT_HEIGHT / 2) - 8,
tinct_BILINEAR_FILTER);
}
}
/**
* Sets the origin variables to the correct values for a specified tree
*
* \param tree the tree to set the origin for
*/
void tree_initialise_redraw(struct tree *tree)
{
os_error *error;
wimp_window_state state;
assert(tree->handle);
state.w = (wimp_w)tree->handle;
error = xwimp_get_window_state(&state);
if (error) {
LOG(("xwimp_get_window_state: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
}
ro_gui_tree_origin_x = state.visible.x0 - state.xscroll + tree->offset_x;
ro_gui_tree_origin_y = state.visible.y1 - state.yscroll - tree->offset_y;
if (tree->toolbar)
ro_gui_tree_origin_y -= ro_gui_theme_toolbar_height(tree->toolbar);
}
/**
* Recalculates the dimensions of a node element.
*
* \param element the element to recalculate
*/
void tree_recalculate_node_element(struct node_element *element)
{
const struct bitmap *bitmap = NULL;
struct node_element *url_element;
rufl_code code;
assert(element);
switch (element->type) {
case NODE_ELEMENT_TEXT_PLUS_SPRITE:
assert(element->sprite);
case NODE_ELEMENT_TEXT:
assert(element->text);
code = rufl_width(ro_gui_desktop_font_family, ro_gui_desktop_font_style,
ro_gui_desktop_font_size,
element->text, strlen(element->text),
&element->box.width);
if (code != rufl_OK) {
if (code == rufl_FONT_MANAGER_ERROR)
LOG(("rufl_width: rufl_FONT_MANAGER_ERROR: 0x%x: %s",
rufl_fm_error->errnum,
rufl_fm_error->errmess));
else
LOG(("rufl_width: 0x%x", code));
}
element->box.width += 16;
element->box.height = TREE_TEXT_HEIGHT;
if (element->type == NODE_ELEMENT_TEXT_PLUS_SPRITE)
element->box.width += NODE_INSTEP;
break;
case NODE_ELEMENT_THUMBNAIL:
url_element = tree_find_element(element->parent, TREE_ELEMENT_URL);
if (url_element)
bitmap = urldb_get_thumbnail(url_element->text);
if (bitmap) {
/* if ((bitmap->width == 0) && (bitmap->height == 0))
frame = bitmap_get_buffer(bitmap);
element->box.width = bitmap->width * 2 + 2;
element->box.height = bitmap->height * 2 + 4;
*/ element->box.width = THUMBNAIL_WIDTH * 2 + 2;
element->box.height = THUMBNAIL_HEIGHT * 2 + 4;
} else {
element->box.width = 0;
element->box.height = 0;
}
}
}
/**
* Sets a node element as having a specific sprite.
*
* \param node the node to update
* \param sprite the sprite to use
* \param selected the expanded sprite name to use
*/
void tree_set_node_sprite(struct node *node, const char *sprite,
const char *expanded)
{
assert(node);
assert(sprite);
assert(expanded);
node->data.sprite = calloc(sizeof(struct node_sprite), 1);
if (!node->data.sprite) return;
node->data.type = NODE_ELEMENT_TEXT_PLUS_SPRITE;
node->data.sprite->area = (osspriteop_area *)1;
sprintf(node->data.sprite->name, sprite);
sprintf(node->data.sprite->expanded_name, expanded);
}
/**
* Sets a node element as having a folder sprite
*
* \param node the node to update
*/
void tree_set_node_sprite_folder(struct node *node)
{
assert(node->folder);
tree_set_node_sprite(node, "small_dir", "small_diro");
}
/**
* Updates the node details for a URL node.
* The internal node dimensions are not updated.
*
* \param node the node to update
* \param url the URL
* \param data the data the node is linked to, or NULL for unlinked data
*/
void tree_update_URL_node(struct node *node,
const char *url, const struct url_data *data)
{
struct node_element *element;
char buffer[256];
assert(node);
element = tree_find_element(node, TREE_ELEMENT_URL);
if (!element)
return;
if (data) {
/* node is linked, update */
assert(!node->editable);
if (!data->title)
urldb_set_url_title(url, url);
if (!data->title)
return;
node->data.text = data->title;
} else {
/* node is not linked, find data */
assert(node->editable);
data = urldb_get_url_data(element->text);
if (!data)
return;
}
if (element) {
sprintf(buffer, "small_%.3x", ro_content_filetype_from_type(data->type));
if (ro_gui_wimp_sprite_exists(buffer))
tree_set_node_sprite(node, buffer, buffer);
else
tree_set_node_sprite(node, "small_xxx", "small_xxx");
}
element = tree_find_element(node, TREE_ELEMENT_LAST_VISIT);
if (element) {
snprintf(buffer, 256, messages_get("TreeLast"),
(data->last_visit > 0) ?
ctime((time_t *)&data->last_visit) :
messages_get("TreeUnknown"));
if (data->last_visit > 0)
buffer[strlen(buffer) - 1] = '\0';
free((void *)element->text);
element->text = strdup(buffer);
}
element = tree_find_element(node, TREE_ELEMENT_VISITS);
if (element) {
snprintf(buffer, 256, messages_get("TreeVisits"),
data->visits);
free((void *)element->text);
element->text = strdup(buffer);
}
}
/**
* Updates the tree owner following a tree resize
*
* \param tree the tree to update the owner of
*/
void tree_resized(struct tree *tree)
{
os_error *error;
wimp_window_state state;
assert(tree->handle);
state.w = (wimp_w)tree->handle;
error = xwimp_get_window_state(&state);
if (error) {
LOG(("xwimp_get_window_state: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
if (state.flags & wimp_WINDOW_OPEN)
ro_gui_tree_open((wimp_open *)&state);
}
/**
* Redraws a tree window
*
* \param redraw the area to redraw
* \param tree the tree to redraw
*/
void ro_gui_tree_redraw(wimp_draw *redraw)
{
struct tree *tree;
osbool more;
int clip_x0, clip_x1, clip_y0, clip_y1, origin_x, origin_y;
tree = (struct tree *)ro_gui_wimp_event_get_user_data(redraw->w);
assert(tree);
more = wimp_redraw_window(redraw);
while (more) {
clip_x0 = redraw->clip.x0;
clip_y0 = redraw->clip.y0;
clip_x1 = redraw->clip.x1;
clip_y1 = redraw->clip.y1;
origin_x = redraw->box.x0 - redraw->xscroll;
origin_y = redraw->box.y1 - redraw->yscroll;
if (tree->toolbar)
origin_y -= ro_gui_theme_toolbar_height(tree->toolbar);
tree_draw(tree, clip_x0 - origin_x - tree->offset_x,
origin_y - clip_y1 - tree->offset_y,
clip_x1 - clip_x0, clip_y1 - clip_y0);
more = wimp_get_rectangle(redraw);
}
}
/**
* Handles a mouse click for a tree
*
* \param pointer the pointer state
* \param tree the tree to handle a click for
* \return whether the click was handled
*/
bool ro_gui_tree_click(wimp_pointer *pointer, struct tree *tree)
{
bool furniture;
struct node *node;
struct node *last;
struct node_element *element;
int x, y;
int alt_pressed = 0;
wimp_window_state state;
wimp_caret caret;
wimp_drag drag;
wimp_auto_scroll_info scroll;
os_error *error;
os_box box = { pointer->pos.x - 34, pointer->pos.y - 34,
pointer->pos.x + 34, pointer->pos.y + 34 };
assert(tree);
assert(tree->root);
/* gain the input focus when required */
state.w = (wimp_w)tree->handle;
error = xwimp_get_window_state(&state);
if (error)
LOG(("xwimp_get_window_state: 0x%x: %s",
error->errnum, error->errmess));
error = xwimp_get_caret_position(&caret);
if (error)
LOG(("xwimp_get_caret_position: 0x%x: %s",
error->errnum, error->errmess));
if (((pointer->buttons == (wimp_CLICK_SELECT << 8)) ||
(pointer->buttons == (wimp_CLICK_ADJUST << 8))) &&
(caret.w != state.w)) {
error = xwimp_set_caret_position((wimp_w)tree->handle, -1, -100,
-100, 32, -1);
if (error)
LOG(("xwimp_set_caret_position: 0x%x: %s",
error->errnum, error->errmess));
}
if (!tree->root->child)
return true;
tree_initialise_redraw(tree);
x = pointer->pos.x - ro_gui_tree_origin_x;
y = ro_gui_tree_origin_y - pointer->pos.y;
element = tree_get_node_element_at(tree->root->child, x, y, &furniture);
/* stop editing for anything but a drag */
if ((tree->editing) && (pointer->i != tree->edit_handle) &&
(pointer->buttons != (wimp_CLICK_SELECT << 4)))
ro_gui_tree_stop_edit(tree);
/* handle a menu click */
if (pointer->buttons == wimp_CLICK_MENU) {
if ((!element) || (!tree->root->child) ||
(tree_has_selection(tree->root->child)))
return true;
node = element->parent;
tree->temp_selection = node;
node->selected = true;
tree_handle_node_element_changed(tree, &node->data);
return true;
}
/* no item either means cancel selection on (select) click or a drag */
if (!element) {
if (tree->single_selection) {
tree_set_node_selected(tree, tree->root->child, false);
return true;
}
if ((pointer->buttons == (wimp_CLICK_SELECT << 4)) ||
(pointer->buttons == (wimp_CLICK_SELECT << 8)))
tree_set_node_selected(tree, tree->root->child, false);
if ((pointer->buttons == (wimp_CLICK_SELECT << 4)) ||
(pointer->buttons == (wimp_CLICK_ADJUST << 4))) {
scroll.w = (wimp_w)tree->handle;
scroll.pause_zone_sizes.y0 = 80;
scroll.pause_zone_sizes.y1 = 80;
if (tree->toolbar)
scroll.pause_zone_sizes.y1 +=
ro_gui_theme_toolbar_height(tree->toolbar);
scroll.pause_duration = 0;
scroll.state_change = (void *)0;
error = xwimp_auto_scroll(wimp_AUTO_SCROLL_ENABLE_VERTICAL,
&scroll, 0);
if (error)
LOG(("xwimp_auto_scroll: 0x%x: %s",
error->errnum, error->errmess));
gui_current_drag_type = GUI_DRAG_TREE_SELECT;
ro_gui_tree_current_drag_tree = tree;
ro_gui_tree_current_drag_buttons = pointer->buttons;
drag.w = (wimp_w)tree->handle;
drag.type = wimp_DRAG_USER_RUBBER;
drag.initial.x0 = pointer->pos.x;
drag.initial.x1 = pointer->pos.x;
drag.initial.y0 = pointer->pos.y;
drag.initial.y1 = pointer->pos.y;
drag.bbox.x0 = state.visible.x0;
drag.bbox.x1 = state.visible.x1;
drag.bbox.y0 = -16384;//state.visible.y0;
drag.bbox.y1 = 16384;//state.visible.y1 - tree->offset_y;
error = xwimp_drag_box_with_flags(&drag,
wimp_DRAG_BOX_KEEP_IN_LINE |
wimp_DRAG_BOX_CLIP);
if (error)
LOG(("xwimp_drag_box_with_flags: 0x%x: %s",
error->errnum, error->errmess));
}
return true;
}
node = element->parent;
/* click on furniture or double click on folder toggles node expansion */
if (((furniture) && ((pointer->buttons == wimp_CLICK_SELECT << 8) ||
(pointer->buttons == wimp_CLICK_ADJUST << 8) ||
(pointer->buttons == wimp_CLICK_SELECT) ||
(pointer->buttons == wimp_CLICK_ADJUST))) ||
((!furniture) && (node->child) &&
((pointer->buttons == wimp_CLICK_SELECT) ||
(pointer->buttons == wimp_CLICK_ADJUST)))) {
node->expanded = !node->expanded;
if (!furniture)
node->selected = false;
tree_handle_node_changed(tree, node, false, true);
/* find the last child node if expanded */
last = node;
if ((last->child) && (last->expanded)) {
last = last->child;
while ((last->next) || ((last->child) && (last->expanded))) {
if (last->next)
last = last->next;
else
last = last->child;
}
}
/* scroll to the bottom element then back to the top */
element = &last->data;
if (last->expanded)
for (; element->next; element = element->next);
ro_gui_tree_scroll_visible(tree, element);
ro_gui_tree_scroll_visible(tree, &node->data);
return true;
}
/* no use for any other furniture click */
if (furniture)
return true;
/* single/double alt+click starts editing */
if ((node->editable) && (!tree->editing) &&
((element->data == TREE_ELEMENT_URL) ||
(element->data == TREE_ELEMENT_TITLE)) &&
((pointer->buttons == wimp_CLICK_SELECT) ||
(pointer->buttons == (wimp_CLICK_SELECT << 8)))) {
xosbyte1(osbyte_SCAN_KEYBOARD, 2 ^ 0x80, 0, &alt_pressed);
if (alt_pressed == 0xff) {
ro_gui_tree_start_edit(tree, element, pointer);
return true;
}
}
/* double click starts launches the leaf */
if ((pointer->buttons == wimp_CLICK_SELECT) ||
(pointer->buttons == wimp_CLICK_ADJUST)) {
if (!ro_gui_tree_launch_node(tree, node))
return false;
if (pointer->buttons == wimp_CLICK_ADJUST)
ro_gui_dialog_close((wimp_w)tree->handle);
return true;
}
/* single click (select) cancels current selection and selects item */
if ((pointer->buttons == (wimp_CLICK_SELECT << 8)) ||
((pointer->buttons == (wimp_CLICK_ADJUST << 8)) &&
(tree->single_selection))) {
if (!node->selected) {
tree_set_node_selected(tree, tree->root->child, false);
node->selected = true;
tree_handle_node_element_changed(tree, &node->data);
}
return true;
}
/* single click (adjust) toggles item selection */
if (pointer->buttons == (wimp_CLICK_ADJUST << 8)) {
node->selected = !node->selected;
tree_handle_node_element_changed(tree, &node->data);
return true;
}
/* drag starts a drag operation */
if ((!tree->editing) && ((pointer->buttons == (wimp_CLICK_SELECT << 4)) ||
(pointer->buttons == (wimp_CLICK_ADJUST << 4)))) {
if (tree->no_drag)
return true;
if (!node->selected) {
node->selected = true;
tree_handle_node_element_changed(tree, &node->data);
}
scroll.w = (wimp_w)tree->handle;
scroll.pause_zone_sizes.y0 = 80;
scroll.pause_zone_sizes.y1 = 80;
if (tree->toolbar)
scroll.pause_zone_sizes.y1 +=
ro_gui_theme_toolbar_height(tree->toolbar);
scroll.pause_duration = -1;
scroll.state_change = (void *)0;
error = xwimp_auto_scroll(wimp_AUTO_SCROLL_ENABLE_VERTICAL,
&scroll, 0);
if (error)
LOG(("xwimp_auto_scroll: 0x%x: %s",
error->errnum, error->errmess));
gui_current_drag_type = GUI_DRAG_TREE_MOVE;
ro_gui_tree_current_drag_tree = tree;
ro_gui_tree_current_drag_buttons = pointer->buttons;
node = tree_get_selected_node(tree->root);
if (node) {
if (node->folder) {
if ((node->expanded) &&
(ro_gui_wimp_sprite_exists("directoryo")))
sprintf(ro_gui_tree_drag_name, "directoryo");
else
sprintf(ro_gui_tree_drag_name, "directory");
} else {
/* small_xxx -> file_xxx */
sprintf(ro_gui_tree_drag_name, "file_%s",
node->data.sprite->name + 6);
if (!ro_gui_wimp_sprite_exists(ro_gui_tree_drag_name))
sprintf(ro_gui_tree_drag_name, "file_xxx");
}
} else {
sprintf(ro_gui_tree_drag_name, "package");
}
error = xdragasprite_start(dragasprite_HPOS_CENTRE |
dragasprite_VPOS_CENTRE |
dragasprite_BOUND_POINTER |
dragasprite_DROP_SHADOW,
(osspriteop_area *) 1,
ro_gui_tree_drag_name, &box, 0);
if (error)
LOG(("xdragasprite_start: 0x%x: %s",
error->errnum, error->errmess));
return true;
}
return false;
}
/**
* Handles a menu closed event
*
* \param tree the tree to handle the event for
*/
void ro_gui_tree_menu_closed(struct tree *tree)
{
assert(tree);
if (tree->temp_selection) {
tree->temp_selection->selected = false;
tree_handle_node_element_changed(tree, &tree->temp_selection->data);
tree->temp_selection = NULL;
ro_gui_menu_prepare_action((wimp_w)tree->handle, TREE_SELECTION, false);
ro_gui_menu_prepare_action((wimp_w)tree->handle, TREE_EXPAND_ALL, false);
}
}
/**
* Respond to a mouse click for a tree (hotlist or history) toolbar
*
* \param pointer the pointer state
*/
bool ro_gui_tree_toolbar_click(wimp_pointer* pointer)
{
struct node *node;
struct toolbar *toolbar =
(struct toolbar *)ro_gui_wimp_event_get_user_data(pointer->w);
assert(toolbar);
struct tree *tree =
(struct tree *)ro_gui_wimp_event_get_user_data(toolbar->parent_handle);
assert(tree);
ro_gui_tree_stop_edit(tree);
if (pointer->buttons == wimp_CLICK_MENU) {
ro_gui_menu_create(tree_toolbar_menu, pointer->pos.x,
pointer->pos.y, (wimp_w)tree->handle);
return true;
}
if (tree->toolbar->editor) {
ro_gui_theme_toolbar_editor_click(tree->toolbar, pointer);
return true;
}
switch (pointer->i) {
case ICON_TOOLBAR_CREATE:
node = tree_create_folder_node(tree->root,
messages_get("TreeNewFolder"));
tree_redraw_area(tree, node->box.x - NODE_INSTEP,
0, NODE_INSTEP, 16384);
tree_handle_node_changed(tree, node, false, true);
ro_gui_tree_start_edit(tree, &node->data, NULL);
break;
case ICON_TOOLBAR_OPEN:
tree_handle_expansion(tree, tree->root,
(pointer->buttons == wimp_CLICK_SELECT),
true, false);
break;
case ICON_TOOLBAR_EXPAND:
tree_handle_expansion(tree, tree->root,
(pointer->buttons == wimp_CLICK_SELECT),
false, true);
break;
case ICON_TOOLBAR_DELETE:
ro_gui_menu_handle_action((wimp_w)tree->handle,
TREE_SELECTION_DELETE, false);
break;
case ICON_TOOLBAR_LAUNCH:
ro_gui_menu_handle_action((wimp_w)tree->handle,
TREE_SELECTION_LAUNCH, false);
break;
}
return true;
}
/**
* Starts an editing session
*
* \param tree the tree to start editing for
* \param element the element to edit
* \param pointer the pointer data to use for caret positioning (or NULL)
*/
void ro_gui_tree_start_edit(struct tree *tree, struct node_element *element,
wimp_pointer *pointer)
{
os_error *error;
struct node *parent;
int toolbar_height = 0;
assert(tree);
assert(element);
if (tree->editing)
ro_gui_tree_stop_edit(tree);
if (tree->toolbar)
toolbar_height = ro_gui_theme_toolbar_height(tree->toolbar);
parent = element->parent;
if (&parent->data == element)
parent = parent->parent;
for (; parent; parent = parent->parent) {
if (!parent->expanded) {
parent->expanded = true;
tree_handle_node_changed(tree, parent, false, true);
}
}
tree->editing = element;
ro_gui_tree_edit_icon.w = (wimp_w)tree->handle;
ro_gui_tree_edit_icon.icon.extent.x0 = tree->offset_x + element->box.x - 2;
ro_gui_tree_edit_icon.icon.extent.x1 = tree->offset_x +
element->box.x + element->box.width + 2;
ro_gui_tree_edit_icon.icon.extent.y1 = -tree->offset_y - toolbar_height -
element->box.y;
ro_gui_tree_edit_icon.icon.extent.y0 = -tree->offset_y - toolbar_height -
element->box.y - element->box.height;
if (element->type == NODE_ELEMENT_TEXT_PLUS_SPRITE)
ro_gui_tree_edit_icon.icon.extent.x0 += NODE_INSTEP;
ro_gui_tree_edit_icon.icon.data.indirected_text.text = element->text;
error = xwimp_create_icon(&ro_gui_tree_edit_icon,
(wimp_i *)&tree->edit_handle);
if (error)
LOG(("xwimp_create_icon: 0x%x: %s",
error->errnum, error->errmess));
tree->textarea_handle = textarea_create((wimp_w)tree->handle,
(wimp_i)tree->edit_handle, 0, ro_gui_desktop_font_family,
ro_gui_desktop_font_size,
ro_gui_desktop_font_style);
if (!tree->textarea_handle) {
ro_gui_tree_stop_edit(tree);
return;
}
textarea_set_text(tree->textarea_handle, element->text);
if (pointer)
textarea_set_caret_xy(tree->textarea_handle,
pointer->pos.x, pointer->pos.y);
else
textarea_set_caret(tree->textarea_handle, strlen(element->text));
tree_handle_node_element_changed(tree, element);
ro_gui_tree_scroll_visible(tree, element);
}
/**
* Stops any current editing session
*
* \param tree the tree to stop editing for
*/
void ro_gui_tree_stop_edit(struct tree *tree)
{
os_error *error;
assert(tree);
if (!tree->editing) return;
if (tree->textarea_handle) {
textarea_destroy(tree->textarea_handle);
tree->textarea_handle = 0;
}
error = xwimp_delete_icon((wimp_w)tree->handle, (wimp_i)tree->edit_handle);
if (error)
LOG(("xwimp_delete_icon: 0x%x: %s",
error->errnum, error->errmess));
tree_handle_node_element_changed(tree, tree->editing);
tree->editing = NULL;
error = xwimp_set_caret_position((wimp_w)tree->handle, -1, -100,
-100, 32, -1);
if (error)
LOG(("xwimp_set_caret_position: 0x%x: %s",
error->errnum, error->errmess));
tree_recalculate_size(tree);
}
/**
* Scrolls the tree to make an element visible
*
* \param tree the tree to scroll
* \param element the element to display
*/
void ro_gui_tree_scroll_visible(struct tree *tree, struct node_element *element)
{
wimp_window_state state;
int x0, x1, y0, y1;
os_error *error;
int toolbar_height = 0;
assert(element);
if (tree->toolbar)
toolbar_height = ro_gui_theme_toolbar_height(tree->toolbar);
state.w = (wimp_w)tree->handle;
error = xwimp_get_window_state(&state);
if (error)
LOG(("xwimp_get_window_state: 0x%x: %s",
error->errnum, error->errmess));
if (!(state.flags & wimp_WINDOW_OPEN))
return;
x0 = state.xscroll;
y0 = -state.yscroll;
x1 = x0 + state.visible.x1 - state.visible.x0 - tree->offset_x;
y1 = y0 - state.visible.y0 + state.visible.y1 - tree->offset_y - toolbar_height;
state.yscroll = state.visible.y1 - state.visible.y0 - tree->offset_y -
toolbar_height - y1;
if ((element->box.y >= y0) && (element->box.y + element->box.height <= y1))
return;
if (element->box.y < y0)
state.yscroll = -element->box.y;
if (element->box.y + element->box.height > y1)
state.yscroll = state.visible.y1 - state.visible.y0 -
tree->offset_y - toolbar_height -
(element->box.y + element->box.height);
ro_gui_tree_open((wimp_open *)&state);
}
/**
* Shows the a tree window.
*/
void ro_gui_tree_show(struct tree *tree)
{
struct toolbar *toolbar;
/* we may have failed to initialise */
if (!tree) return;
toolbar = tree->toolbar;
/* handle first time opening */
if (!ro_gui_dialog_open_top((wimp_w)tree->handle, toolbar, 600, 800)) {
ro_gui_tree_stop_edit(tree);
if (tree->root->child) {
tree_set_node_selected(tree, tree->root, false);
tree_handle_node_changed(tree, tree->root,
false, true);
}
}
/* set the caret position */
xwimp_set_caret_position((wimp_w)tree->handle, -1, -100, -100, 32, -1);
}
/**
* Handles a window open request
*
* \param open the window state
*/
void ro_gui_tree_open(wimp_open *open)
{
struct tree *tree;
os_error *error;
int width;
int height;
int toolbar_height = 0;
bool vscroll;
tree = (struct tree *)ro_gui_wimp_event_get_user_data(open->w);
if (!tree)
return;
if (tree->toolbar)
toolbar_height = ro_gui_theme_toolbar_height(tree->toolbar);
width = open->visible.x1 - open->visible.x0;
if (width < (tree->offset_x + tree->width))
width = tree->offset_x + tree->width;
height = open->visible.y1 - open->visible.y0;
if (height < (tree->offset_y + toolbar_height + tree->height))
height = tree->offset_y + toolbar_height + tree->height;
if ((height != tree->window_height) || (width != tree->window_width)) {
os_box extent = { 0, -height, width, 0};
error = xwimp_set_extent((wimp_w)tree->handle, &extent);
if (error) {
LOG(("xwimp_set_extent: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
}
/* hide the scroll bar? */
if ((tree->no_vscroll) && (height != tree->window_height)) {
vscroll = (tree->height > height);
if (ro_gui_wimp_check_window_furniture(open->w,
wimp_WINDOW_VSCROLL) != vscroll) {
ro_gui_wimp_update_window_furniture(open->w,
0, wimp_WINDOW_VSCROLL);
if (vscroll)
open->visible.x1 -= ro_get_vscroll_width(open->w);
else
open->visible.x1 += ro_get_vscroll_width(open->w);
}
}
tree->window_width = width;
tree->window_height = height;
}
error = xwimp_open_window(open);
if (error) {
LOG(("xwimp_open_window: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
}
if (tree->toolbar)
ro_gui_theme_process_toolbar(tree->toolbar, -1);
ro_gui_menu_prepare_action((wimp_w)tree->handle, TREE_SELECTION, false);
ro_gui_menu_prepare_action((wimp_w)tree->handle, TREE_EXPAND_ALL, false);
}
/**
* Handles a keypress for a tree
*
* \param key the key pressed
* \param tree the tree to handle a keypress for
* \return whether the key was processed
*/
bool ro_gui_tree_keypress(wimp_key *key)
{
wimp_window_state state;
int y;
char *new_string;
struct tree *tree;
int strlen;
os_error *error;
tree = (struct tree *)ro_gui_wimp_event_get_user_data(key->w);
if (!tree)
return false;
/* Handle basic keys
*/
switch (key->c) {
case 1: /* CTRL+A */
ro_gui_menu_handle_action((wimp_w)tree->handle,
TREE_SELECT_ALL, false);
return true;
case 24: /* CTRL+X */
ro_gui_menu_handle_action((wimp_w)tree->handle,
TREE_SELECTION_DELETE, false);
return true;
case 26: /* CTRL+Z */
ro_gui_menu_handle_action((wimp_w)tree->handle,
TREE_CLEAR_SELECTION, false);
return true;
case wimp_KEY_RETURN:
if ((tree->editing) && (tree->textarea_handle)) {
strlen = textarea_get_text(tree->textarea_handle,
NULL, 0);
if (strlen == -1) {
ro_gui_tree_stop_edit(tree);
return true;
}
new_string = malloc(strlen);
if (!new_string) {
ro_gui_tree_stop_edit(tree);
LOG(("No memory for malloc()"));
warn_user("NoMemory", 0);
return true;
}
textarea_get_text(tree->textarea_handle,
new_string, strlen);
free((void *)tree->editing->text);
tree->editing->text = new_string;
ro_gui_tree_stop_edit(tree);
tree_recalculate_size(tree);
} else {
ro_gui_tree_launch_selected(tree);
}
return true;
case wimp_KEY_ESCAPE:
if (tree->editing) {
ro_gui_tree_stop_edit(tree);
} else {
/* \todo cancel drags etc. */
}
return true;
case IS_WIMP_KEY | wimp_KEY_UP:
case IS_WIMP_KEY | wimp_KEY_DOWN:
case IS_WIMP_KEY | wimp_KEY_PAGE_UP:
case IS_WIMP_KEY | wimp_KEY_PAGE_DOWN:
case IS_WIMP_KEY | wimp_KEY_HOME:
case IS_WIMP_KEY | wimp_KEY_CONTROL | wimp_KEY_UP:
case IS_WIMP_KEY | wimp_KEY_END:
case IS_WIMP_KEY | wimp_KEY_CONTROL | wimp_KEY_DOWN:
break;
default:
return false;
}
/* keyboard scrolling */
state.w = (wimp_w)tree->handle;
error = xwimp_get_window_state(&state);
if (error) {
LOG(("xwimp_get_window_state: 0x%x: %s",
error->errnum, error->errmess));
return true;
}
y = state.visible.y1 - state.visible.y0 - TREE_TEXT_HEIGHT;
if (tree->toolbar)
y -= ro_gui_theme_toolbar_full_height(tree->toolbar);
switch (key->c) {
case IS_WIMP_KEY | wimp_KEY_UP:
/* if ((state.yscroll % TREE_TEXT_HEIGHT) != 0)
state.yscroll -= (state.yscroll % TREE_TEXT_HEIGHT);
else
*/ state.yscroll += TREE_TEXT_HEIGHT;
break;
case IS_WIMP_KEY | wimp_KEY_DOWN:
/* if (((state.yscroll + y) % TREE_TEXT_HEIGHT) != 0)
state.yscroll -= ((state.yscroll + y) % TREE_TEXT_HEIGHT);
else
*/ state.yscroll -= TREE_TEXT_HEIGHT;
break;
case IS_WIMP_KEY | wimp_KEY_PAGE_UP:
state.yscroll += y;
break;
case IS_WIMP_KEY | wimp_KEY_PAGE_DOWN:
state.yscroll -= y;
break;
case IS_WIMP_KEY | wimp_KEY_HOME:
case IS_WIMP_KEY | wimp_KEY_CONTROL | wimp_KEY_UP:
state.yscroll = 0x10000000;
break;
case IS_WIMP_KEY | wimp_KEY_END:
case IS_WIMP_KEY | wimp_KEY_CONTROL | wimp_KEY_DOWN:
state.yscroll = -0x10000000;
break;
}
error = xwimp_open_window((wimp_open *) &state);
if (error) {
LOG(("xwimp_open_window: 0x%x: %s",
error->errnum, error->errmess));
}
return true;
}
/**
* Handles the completion of a selection drag (GUI_DRAG_TREE_SELECT)
*
* \param drag the drag box information
*/
void ro_gui_tree_selection_drag_end(wimp_dragged *drag)
{
wimp_window_state state;
wimp_auto_scroll_info scroll;
os_error *error;
int x0, y0, x1, y1;
int toolbar_height = 0;
if (ro_gui_tree_current_drag_tree->toolbar)
toolbar_height = ro_gui_theme_toolbar_height(
ro_gui_tree_current_drag_tree->toolbar);
scroll.w = (wimp_w)ro_gui_tree_current_drag_tree->handle;
error = xwimp_auto_scroll(0, &scroll, 0);
if (error)
LOG(("xwimp_auto_scroll: 0x%x: %s", error->errnum, error->errmess));
state.w = (wimp_w)ro_gui_tree_current_drag_tree->handle;
error = xwimp_get_window_state(&state);
if (error) {
LOG(("xwimp_get_window_state: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
x0 = drag->final.x0 - state.visible.x0 - state.xscroll +
ro_gui_tree_current_drag_tree->offset_x;
y0 = state.visible.y1 - state.yscroll - drag->final.y0 -
ro_gui_tree_current_drag_tree->offset_y - toolbar_height;
x1 = drag->final.x1 - state.visible.x0 - state.xscroll +
ro_gui_tree_current_drag_tree->offset_x;
y1 = state.visible.y1 - state.yscroll - drag->final.y1 -
ro_gui_tree_current_drag_tree->offset_y - toolbar_height;
tree_handle_selection_area(ro_gui_tree_current_drag_tree, x0, y0,
x1 - x0, y1 - y0,
(ro_gui_tree_current_drag_buttons == (wimp_CLICK_ADJUST << 4)));
ro_gui_menu_prepare_action((wimp_w)ro_gui_tree_current_drag_tree->handle,
TREE_SELECTION, false);
ro_gui_menu_prepare_action((wimp_w)ro_gui_tree_current_drag_tree->handle,
TREE_EXPAND_ALL, false);
}
/**
* Converts screen co-ordinates to tree ones
*
* \param tree the tree to calculate for
* \param x the screen x co-ordinate
* \param x the screen y co-ordinate
* \param tree_x updated to the tree x co-ordinate
* \param tree_y updated to the tree y co-ordinate
*/
void ro_gui_tree_get_tree_coordinates(struct tree *tree, int x, int y,
int *tree_x, int *tree_y) {
wimp_window_state state;
os_error *error;
state.w = (wimp_w)tree->handle;
error = xwimp_get_window_state(&state);
if (error) {
LOG(("xwimp_get_window_state: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
*tree_x = x - state.visible.x0 - state.xscroll + tree->offset_x;
*tree_y = state.visible.y1 - state.yscroll - y - tree->offset_y;
if (tree->toolbar)
*tree_y -= ro_gui_theme_toolbar_height(tree->toolbar);
}
/**
* Handles the completion of a move drag (GUI_DRAG_TREE_MOVE)
*
* \param drag the drag box information
*/
void ro_gui_tree_move_drag_end(wimp_dragged *drag)
{
struct gui_window *g;
wimp_pointer pointer;
wimp_auto_scroll_info scroll;
os_error *error;
struct node *node;
struct node *single;
struct node_element *element;
bool before;
int x, y;
scroll.w = (wimp_w)ro_gui_tree_current_drag_tree->handle;
error = xwimp_auto_scroll(0, &scroll, 0);
if (error)
LOG(("xwimp_auto_scroll: 0x%x: %s", error->errnum, error->errmess));
error = xwimp_get_pointer_info(&pointer);
if (error) {
LOG(("xwimp_get_pointer_info: 0x%x: %s", error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
if (pointer.w != (wimp_w)ro_gui_tree_current_drag_tree->handle) {
/* try to drop into a browser window */
single = tree_get_selected_node(ro_gui_tree_current_drag_tree->root->child);
element = tree_find_element(single, TREE_ELEMENT_URL);
if (!element)
return;
if (single) {
/* \todo:send datasave for element */
g = ro_gui_window_lookup(pointer.w);
if (g)
browser_window_go(g->bw, element->text, 0, true);
return;
} else {
/* \todo:update save.c to handle multiple concurrent saves */
}
return;
}
/* internal drag */
if (!ro_gui_tree_current_drag_tree->movable)
return;
ro_gui_tree_get_tree_coordinates(ro_gui_tree_current_drag_tree,
drag->final.x0 + 34, drag->final.y0 + 34, &x, &y);
node = tree_get_link_details(ro_gui_tree_current_drag_tree, x, y, &before);
tree_move_selected_nodes(ro_gui_tree_current_drag_tree, node, before);
}
/**
* Launches all selected nodes.
*
* \param tree the tree to launch all selected nodes for
*/
void ro_gui_tree_launch_selected(struct tree *tree)
{
assert(tree);
if (tree->root->child)
ro_gui_tree_launch_selected_node(tree, tree->root->child, false);
}
/**
* Launches all selected nodes.
*
* \param node the node to launch all selected nodes for
*/
void ro_gui_tree_launch_selected_node(struct tree *tree, struct node *node,
bool all)
{
for (; node; node = node->next) {
if (((node->selected) || (all)) && (!node->folder))
ro_gui_tree_launch_node(tree, node);
if ((node->child) && ((node->expanded) || (node->selected) | (all)))
ro_gui_tree_launch_selected_node(tree, node->child,
(node->selected) | (all));
}
}
/**
* Launches a node using all known methods.
*
* \param node the node to launch
* \return whether the node could be launched
*/
bool ro_gui_tree_launch_node(struct tree *tree, struct node *node)
{
struct node_element *element;
assert(node);
element = tree_find_element(node, TREE_ELEMENT_URL);
if (element) {
browser_window_create(element->text, NULL, 0, true, false);
return true;
}
#ifdef WITH_SSL
element = tree_find_element(node, TREE_ELEMENT_SSL);
if (element) {
ro_gui_cert_open(tree, node);
return true;
}
#endif
return false;
}
int ro_gui_tree_help(int x, int y)
{
return -1;
}
void ro_gui_tree_update_theme(struct tree *tree)
{
if ((tree) && (tree->toolbar)) {
if (tree->toolbar->editor)
if (!ro_gui_theme_update_toolbar(NULL, tree->toolbar->editor))
tree->toolbar->editor = NULL;
if (!ro_gui_theme_update_toolbar(NULL, tree->toolbar)) {
ro_gui_theme_destroy_toolbar(tree->toolbar);
tree->toolbar = NULL;
}
ro_gui_theme_toolbar_editor_sync(tree->toolbar);
ro_gui_theme_attach_toolbar(tree->toolbar, (wimp_w)tree->handle);
tree_resized(tree);
xwimp_force_redraw((wimp_w)tree->handle, 0, -16384, 16384, 16384);
}
}
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