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netsurf/frontends/riscos/window.h

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/*
* Copyright 2010, 2011 Stephen Fryatt <stevef@netsurf-browser.org>
*
* 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 window handling (interface).
*/
#include <stdbool.h>
#ifndef _NETSURF_RISCOS_WINDOW_H_
#define _NETSURF_RISCOS_WINDOW_H_
struct gui_window;
struct nsurl;
extern struct gui_window_table *riscos_window_table;
/**
* Initialise the browser window module and its menus.
*/
void ro_gui_window_initialise(void);
/**
* Check if a particular menu handle is a browser window menu
*
* \param menu The menu in question.
* \return true if this menu is a browser window menu
*/
bool ro_gui_window_check_menu(wimp_menu *menu);
/**
* Set the contents of a window's address bar.
*
* \param g gui_window to update
* \param url new url for address bar
*/
nserror ro_gui_window_set_url(struct gui_window *g, struct nsurl *url);
/**
* Cause an area of a window to be invalidated
*
* The specified area of the window should now be considered out of
* date. If the entire window is invalidated this simply calls
* wimp_force_redraw() otherwise the area is added to a queue of
* pending updates which will be processed from a wimp poll allowing
* multiple invalidation requests to be agregated.
*
* \param g The window to update
* \param rect The area of the window to update or NULL to redraw entire contents.
*/
nserror ro_gui_window_invalidate_area(struct gui_window *g, const struct rect *rect);
/**
* Set a gui_window's scale
*/
void ro_gui_window_set_scale(struct gui_window *g, float scale);
/**
* Handle Message_DataLoad (file dragged in) for a window.
*
* If the file was dragged into a form file input, it is used as the value.
*
* \param g window
* \param message Message_DataLoad block
* \return true if the load was processed
*/
bool ro_gui_window_dataload(struct gui_window *g, wimp_message *message);
/**
* Handle pointer movements in a browser window.
*
* \param pointer new mouse position
* \param data browser window that the pointer is in
*/
void ro_gui_window_mouse_at(wimp_pointer *pointer, void *data);
/**
* Window is being iconised.
*
* Create a suitable thumbnail sprite (which, sadly, must be in the
* Wimp sprite pool), and return the sprite name and truncated title
* to the iconiser
*
* \param g the gui window being iconised
* \param wi the WindowInfo message from the iconiser
*/
void ro_gui_window_iconise(struct gui_window *g, wimp_full_message_window_info *wi);
/**
* Handle Message_DataLoad (file dragged in) for a toolbar
*
* @todo This belongs in the toolbar module, and should be moved there
* once the module is able to usefully handle its own events.
*
* \param g window
* \param message Message_DataLoad block
* \return true if the load was processed
*/
bool ro_gui_toolbar_dataload(struct gui_window *g, wimp_message *message);
/**
* Redraws the content for all windows.
*/
void ro_gui_window_redraw_all(void);
/**
* Redraw any pending update boxes.
*/
void ro_gui_window_update_boxes(void);
/**
* Destroy all browser windows.
*/
void ro_gui_window_quit(void);
/**
* Close all browser windows
*
* no need for a separate fn same operation as quit
*/
#define ro_gui_window_close_all ro_gui_window_quit
/**
* Animate the "throbbers" of all browser windows.
*/
void ro_gui_throb(void);
/**
* Makes a browser window's options the default.
*
* \param gui The riscos gui window to set default options in.
*/
void ro_gui_window_default_options(struct gui_window *gui);
/**
* Convert a RISC OS window handle to a gui_window.
*
* \param window RISC OS window handle.
* \return A pointer to a riscos gui window if found or NULL.
*/
struct gui_window *ro_gui_window_lookup(wimp_w window);
/**
* Convert a toolbar RISC OS window handle to a gui_window.
*
* \param window RISC OS window handle of a toolbar
* \return pointer to a structure if found, NULL otherwise
*/
struct gui_window *ro_gui_toolbar_lookup(wimp_w window);
/**
* Convert x,y screen co-ordinates into window co-ordinates.
*
* \param g gui window
* \param x x ordinate
* \param y y ordinate
* \param pos receives position in window co-ordinatates
* \return true iff conversion successful
*/
bool ro_gui_window_to_window_pos(struct gui_window *g, int x, int y, os_coord *pos);
/**
* Returns the state of the mouse buttons and modifiers keys for a
* mouse action, suitable for passing to the OS-independent
* browser window/ treeview/ etc code.
*
* \param buttons Wimp button state.
* \param type Wimp work-area/icon type for decoding.
* \return NetSurf core button state.
*/
enum browser_mouse_state ro_gui_mouse_click_state(wimp_mouse_state buttons, wimp_icon_flags type);
/**
* Returns the state of the mouse buttons and modifiers keys whilst
* dragging, for passing to the OS-independent browser window/ treeview/
* etc code
*
* \param buttons Wimp button state.
* \param type Wimp work-area/icon type for decoding.
* \return NetSurf core button state.
*/
enum browser_mouse_state ro_gui_mouse_drag_state(wimp_mouse_state buttons, wimp_icon_flags type);
/**
* Returns true iff one or more Shift keys is held down
*/
bool ro_gui_shift_pressed(void);
/**
* Returns true iff one or more Ctrl keys is held down
*/
bool ro_gui_ctrl_pressed(void);
/**
* Returns true iff one or more Alt keys is held down
*/
bool ro_gui_alt_pressed(void);
/**
* Change mouse pointer shape
*/
void gui_window_set_pointer(struct gui_window *g, enum gui_pointer_shape shape);
#endif