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netsurf/riscos/history.c

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/*
* Copyright 2006 James Bursa <bursa@users.sourceforge.net>
* 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
* Browser history window (RISC OS implementation).
*
* There is only one history window, not one per browser window.
*/
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include "oslib/wimp.h"
#include "desktop/history_core.h"
#include "desktop/plotters.h"
#include "riscos/dialog.h"
#include "riscos/options.h"
#include "riscos/gui.h"
#include "riscos/wimp.h"
#include "riscos/wimp_event.h"
#include "riscos/wimputils.h"
#include "utils/log.h"
#include "utils/url.h"
#include "utils/utils.h"
static struct browser_window *history_bw;
static struct history *history_current = 0;
/* Last position of mouse in window. */
static int mouse_x = 0;
/* Last position of mouse in window. */
static int mouse_y = 0;
wimp_w history_window;
static void ro_gui_history_redraw(wimp_draw *redraw);
static bool ro_gui_history_click(wimp_pointer *pointer);
/**
* Create history window.
*/
void ro_gui_history_init(void)
{
history_window = ro_gui_dialog_create("history");
ro_gui_wimp_event_register_redraw_window(history_window,
ro_gui_history_redraw);
ro_gui_wimp_event_register_mouse_click(history_window,
ro_gui_history_click);
ro_gui_wimp_event_set_help_prefix(history_window, "HelpHistory");
}
/**
* Open history window.
*
* \param bw browser window to open history for
* \param history history to open
* \param at_pointer open the window at the pointer
*/
void ro_gui_history_open(struct browser_window *bw,
struct history *history, bool at_pointer)
{
int width, height;
os_box box = {0, 0, 0, 0};
wimp_window_state state;
os_error *error;
assert(history);
history_current = history;
history_bw = bw;
history_size(history, &width, &height);
width *= 2;
height *= 2;
/* set extent */
box.x1 = width;
box.y0 = -height;
error = xwimp_set_extent(history_window, &box);
if (error) {
LOG(("xwimp_set_extent: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
/* open full size */
state.w = history_window;
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;
}
state.visible.x0 = 0;
state.visible.y0 = 0;
state.visible.x1 = width;
state.visible.y1 = height;
state.next = wimp_HIDDEN;
error = xwimp_open_window(PTR_WIMP_OPEN(&state));
if (error) {
LOG(("xwimp_open_window: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
ro_gui_dialog_open_persistent(bw->window->window, history_window,
at_pointer);
}
/**
* Redraw history window.
*/
void ro_gui_history_redraw(wimp_draw *redraw)
{
osbool more;
os_error *error;
plot = ro_plotters;
error = xwimp_redraw_window(redraw, &more);
if (error) {
LOG(("xwimp_redraw_window: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
while (more) {
ro_plot_origin_x = redraw->box.x0 - redraw->xscroll;
ro_plot_origin_y = redraw->box.y1 - redraw->yscroll;
history_redraw(history_current);
error = xwimp_get_rectangle(redraw, &more);
if (error) {
LOG(("xwimp_get_rectangle: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
}
}
/**
* Handle mouse movements over the history window.
*/
void ro_gui_history_mouse_at(wimp_pointer *pointer)
{
int x, y;
int width;
const char *url;
wimp_window_state state;
wimp_icon_state ic;
os_box box = {0, 0, 0, 0};
os_error *error;
/* If the mouse hasn't moved, or if we don't want tooltips, exit */
if ((mouse_x == pointer->pos.x && mouse_y == pointer->pos.y) ||
!option_history_tooltip)
return;
/* Update mouse position */
mouse_x = pointer->pos.x;
mouse_y = pointer->pos.y;
/* Find history tree entry under mouse */
state.w = history_window;
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;
}
x = (pointer->pos.x - (state.visible.x0 - state.xscroll)) / 2;
y = -(pointer->pos.y - (state.visible.y1 - state.yscroll)) / 2;
url = history_position_url(history_current, x, y);
if (!url) {
/* not over a tree entry => close tooltip window. */
error = xwimp_close_window(dialog_tooltip);
if (error) {
LOG(("xwimp_close_window: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
return;
}
/* get width of string */
error = xwimptextop_string_width(url,
strlen(url) > 256 ? 256 : strlen(url),
&width);
if (error) {
LOG(("xwimptextop_string_width: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
ro_gui_set_icon_string(dialog_tooltip, 0, url, true);
/* resize icon appropriately */
ic.w = dialog_tooltip;
ic.i = 0;
error = xwimp_get_icon_state(&ic);
if (error) {
LOG(("xwimp_get_icon_state: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
error = xwimp_resize_icon(dialog_tooltip, 0,
ic.icon.extent.x0, ic.icon.extent.y0,
width + 16, ic.icon.extent.y1);
if (error) {
LOG(("xwimp_resize_icon: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
state.w = dialog_tooltip;
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;
}
/* update window extent */
box.x1 = width + 16;
box.y0 = -36;
error = xwimp_set_extent(dialog_tooltip, &box);
if (error) {
LOG(("xwimp_set_extent: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
/* set visible area */
state.visible.x0 = pointer->pos.x + 24;
state.visible.y0 = pointer->pos.y - 22 - 36;
state.visible.x1 = pointer->pos.x + 24 + width + 16;
state.visible.y1 = pointer->pos.y - 22;
state.next = wimp_TOP;
/* open window */
error = xwimp_open_window(PTR_WIMP_OPEN(&state));
if (error) {
LOG(("xwimp_open_window: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
}
/**
* Handle mouse clicks in the history window.
*
* \return true if the event was handled, false to pass it on
*/
bool ro_gui_history_click(wimp_pointer *pointer)
{
int x, y;
wimp_window_state state;
os_error *error;
if (pointer->buttons != wimp_CLICK_SELECT &&
pointer->buttons != wimp_CLICK_ADJUST)
/* return if not select or adjust click */
return true;
state.w = history_window;
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 true;
}
x = (pointer->pos.x - (state.visible.x0 - state.xscroll)) / 2;
y = -(pointer->pos.y - (state.visible.y1 - state.yscroll)) / 2;
history_click(history_bw, history_current, x, y,
pointer->buttons == wimp_CLICK_ADJUST);
return true;
}
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