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/* |
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* window_riscos.c -- window handling, RISC OS |
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*/ |
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|
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#include "gui.h" |
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|
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|
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/* |
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* gui_create_window -- create and display a window |
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* |
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* => flags -- window details |
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* title -- window title |
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* width -- width of window |
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* height -- height of window |
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* close_fn -- function called when an attempt is made to close the window, |
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* NULL for default of closing and destroying window |
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* redraw_fn -- function called when the window needs redrawing |
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* click_fn -- function called when the mouse is clicked in the window or equivalent, |
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* NULL for default of no action |
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* |
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* <= window id |
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*/ |
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|
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gui_window_id gui_create_window(const unsigned int flags, |
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char *title, |
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const unsigned int width, const unsigned int height, |
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void (*close_fn)(gui_window_id window_id), |
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void (*redraw_fn)(gui_window_id window_id, unsigned int invalid[]), |
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void (*click_fn)(gui_window_id window_id, unsigned int x, unsigned int y, |
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unsigned int z), |
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void (*resize_fn)(gui_window_id window_id, unsigned int width, unsigned int height), |
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bool (*key_fn)(gui_window_id window_id, unsigned int key), |
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void (*input_fn)(gui_window_id window_id, wchar_t key), |
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void (*menu_fn)(gui_window_id window_id, unsigned int items[]), |
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wimp_menu *menu, |
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const char *bbar, |
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const char *help) |
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{ |
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wimp_WINDOW(1) window; |
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wimp_w handle; |
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wimp_window_state open; |
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gui_window_id id; |
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|
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#ifdef DEBUG |
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printf("gui_create_window: title = '%s'\n", title); |
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fflush(stdout); |
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#endif |
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|
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assert(redraw_fn != NULL); |
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|
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id = gui_get_free_window_id(); |
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|
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window.visible.x0 = 100; |
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window.visible.y0 = 100; |
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window.visible.x1 = window.visible.x0 + width; |
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window.visible.y1 = window.visible.y0 + height; |
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window.xscroll = window.yscroll = 0; |
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window.next = wimp_TOP; |
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window.flags = wimp_WINDOW_MOVEABLE | wimp_WINDOW_NEW_FORMAT | |
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wimp_WINDOW_BACK_ICON | wimp_WINDOW_CLOSE_ICON | wimp_WINDOW_TITLE_ICON | |
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(flags & gui_H_SCROLL_BAR ? wimp_WINDOW_HSCROLL | wimp_WINDOW_TOGGLE_ICON | wimp_WINDOW_SIZE_ICON : 0) | |
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(flags & gui_V_SCROLL_BAR ? wimp_WINDOW_VSCROLL | wimp_WINDOW_TOGGLE_ICON | wimp_WINDOW_SIZE_ICON : 0); |
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window.title_fg = wimp_COLOUR_BLACK; |
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window.title_bg = wimp_COLOUR_LIGHT_GREY; |
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window.work_fg = wimp_COLOUR_BLACK; |
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// window.work_bg = wimp_COLOUR_WHITE; |
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window.work_bg = wimp_COLOUR_TRANSPARENT; |
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window.highlight_bg = wimp_COLOUR_CREAM; |
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window.extent.x0 = window.extent.y1 = 0; |
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window.extent.y0 = -height; |
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window.extent.x1 = width; |
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window.title_flags = wimp_ICON_TEXT | wimp_ICON_HCENTRED | wimp_ICON_VCENTRED | wimp_ICON_INDIRECTED; |
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window.work_flags = wimp_BUTTON_CLICK << wimp_ICON_BUTTON_TYPE_SHIFT; |
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window.sprite_area = (osspriteop_area *) 1; |
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window.xmin = window.ymin = 1; |
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window.title_data.indirected_text.text = title; |
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window.title_data.indirected_text.validation = 0; |
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window.icon_count = 0; |
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|
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gui_error = xwimp_create_window((wimp_window const *) &window, &handle); |
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gui_check_error(); |
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|
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open.w = handle; |
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gui_error = xwimp_get_window_state(&open); |
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gui_check_error(); |
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|
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gui_error = xwimp_open_window((wimp_open *) &open); |
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gui_check_error(); |
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|
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gui_window_list[id].used = 1; |
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gui_window_list[id].handle = handle; |
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gui_window_list[id].close_fn = (close_fn == NULL ? gui_remove_window : close_fn); |
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gui_window_list[id].redraw_fn = redraw_fn; |
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gui_window_list[id].click_fn = click_fn; |
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gui_window_list[id].resize_fn = resize_fn; |
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gui_window_list[id].key_fn = key_fn; |
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gui_window_list[id].input_fn = input_fn; |
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gui_window_list[id].menu_fn = menu_fn; |
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gui_window_list[id].width = width; |
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gui_window_list[id].height = height; |
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gui_window_list[id].menu = menu; |
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gui_window_list[id].help = help; |
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|
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#ifdef DEBUG |
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printf("gui_create_window: id = 0x%x, handle = 0x%x\n", id, (unsigned int) handle); |
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fflush(stdout); |
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#endif |
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|
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return id; |
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} |
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|
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|
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/* |
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* gui_get_free_window_id -- allocate space and return a window id |
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* |
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* => nothing |
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* |
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* <= window id (gui_window_list index) |
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*/ |
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|
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gui_window_id gui_get_free_window_id() |
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{ |
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static struct gui_window_data *new_gui_window_list; |
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unsigned int i; |
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|
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#ifdef DEBUG |
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printf("gui_get_free_window_id: gui_window_list_items = %i\n", gui_window_list_items); |
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fflush(stdout); |
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#endif |
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|
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for (i = 0; i < gui_window_list_items; i++) |
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if (!gui_window_list[i].used) |
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return i; |
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|
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new_gui_window_list = realloc(gui_window_list, |
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sizeof(struct gui_window_data) * (gui_window_list_items + WINDOW_LIST_CHUNK)); |
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if (!new_gui_window_list) gui_raise_error("memory"); |
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|
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gui_window_list = new_gui_window_list; |
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for (i = gui_window_list_items; i < gui_window_list_items + WINDOW_LIST_CHUNK; i++) |
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gui_window_list[i].used = 0; |
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|
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i = gui_window_list_items; |
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gui_window_list_items += WINDOW_LIST_CHUNK; |
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|
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#ifdef DEBUG |
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printf("gui_get_free_window_id: increased gui_window_list_items = %i\n", gui_window_list_items); |
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fflush(stdout); |
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#endif |
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|
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assert(i < gui_window_list_items); |
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return i; |
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} |
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|
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|
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/* |
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* gui_handle_to_window_id -- convert a window handle to a window id |
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* |
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* => handle -- wimp window handle |
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* |
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* <= window id |
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*/ |
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|
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gui_window_id gui_handle_to_window_id(wimp_w handle) |
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{ |
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unsigned int i; |
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|
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for (i = 0; i < gui_window_list_items; i++) |
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{ |
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if ((gui_window_list[i].used) && (gui_window_list[i].handle == handle)) |
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{ |
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|
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#ifdef DEBUG |
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printf("gui_handle_to_window_id: handle = 0x%x, id = 0x%x\n", (unsigned int) handle, i); |
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fflush(stdout); |
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#endif |
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return i; |
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} |
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} |
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|
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return gui_WINDOW_UNKNOWN; |
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} |
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|
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|
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/* |
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* gui_remove_window -- close and destroy a window |
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* |
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* => window_id -- window id from gui_create_window |
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* |
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* <= nothing |
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*/ |
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|
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void gui_remove_window(const gui_window_id window_id) |
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{ |
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assert(window_id < gui_window_list_items && gui_window_list[window_id].used); |
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|
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#ifdef DEBUG |
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printf("gui_remove_window: window_id = 0x%x\n", window_id); |
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fflush(stdout); |
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#endif |
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|
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gui_error = xwimp_delete_window(gui_window_list[window_id].handle); |
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gui_check_error(); |
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gui_window_list[window_id].used = 0; |
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} |
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|
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|
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/* |
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* gui_refresh_window -- update a window's contents |
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* |
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* => window_id -- window id from gui_create_window |
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* |
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* <= nothing |
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*/ |
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|
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void gui_refresh_window(const gui_window_id window_id) |
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{ |
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assert(window_id < gui_window_list_items && gui_window_list[window_id].used); |
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|
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#ifdef DEBUG |
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printf("gui_refresh_window: window_id = 0x%x\n", window_id); |
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fflush(stdout); |
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#endif |
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|
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gui_refresh_box(window_id, 0, 0, 0x10000000, 0x10000000); |
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} |
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|
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|
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/* |
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* gui_refresh_box -- update part of a window's contents |
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* |
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* => window_id -- window id from gui_create_window |
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* x0, y0, x1, y1 -- area to update |
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* |
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* <= nothing |
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*/ |
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|
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void gui_refresh_box(const gui_window_id window_id, unsigned int x0, unsigned int y0, |
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unsigned int x1, unsigned int y1) |
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{ |
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unsigned int invalid[4]; |
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bool more; |
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wimp_window_state state; |
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wimp_draw update; |
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|
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assert(window_id < gui_window_list_items && gui_window_list[window_id].used); |
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|
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#ifdef DEBUG |
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printf("gui_refresh_box: window_id = 0x%x, box %i %i %i %i\n", window_id, x0, y0, x1, y1); |
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fflush(stdout); |
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#endif |
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|
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state.w = gui_window_list[window_id].handle; |
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|
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gui_error = xwimp_get_window_state(&state); |
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gui_check_error(); |
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|
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gui_window_origin_x = state.visible.x0 - state.xscroll; |
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gui_window_origin_y = state.visible.y1 - state.yscroll; |
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|
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#ifdef DEBUG |
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printf("gui_refresh_box: redraw origin %i %i\n", gui_window_origin_x, gui_window_origin_y); |
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fflush(stdout); |
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#endif |
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|
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update.w = state.w; |
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update.box.x0 = x0; |
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update.box.y0 = -y1; |
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update.box.x1 = x1; |
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update.box.y1 = -y0; |
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gui_error = xwimp_update_window(&update, &more); |
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gui_check_error(); |
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|
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while (more) |
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{ |
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invalid[0] = update.clip.x0 - gui_window_origin_x; |
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invalid[1] = gui_window_origin_y - update.clip.y1; |
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invalid[2] = update.clip.x1 - gui_window_origin_x; |
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invalid[3] = gui_window_origin_y - update.clip.y0; |
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|
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#ifdef DEBUG |
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printf("gui_refresh_box: redraw invalid %i %i %i %i\n", |
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invalid[0], invalid[1], invalid[2], invalid[3]); |
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fflush(stdout); |
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#endif |
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|
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gui_window_list[window_id].redraw_fn(window_id, invalid); |
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|
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gui_error = xwimp_get_rectangle(&update, &more); |
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gui_check_error(); |
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} |
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} |
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|
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|
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/* |
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* gui_window_extent -- set window size |
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* |
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* => window_id -- window id from gui_create_window |
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* width, height -- new dimensions of window |
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* |
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* <= nothing |
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*/ |
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|
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void gui_window_extent(const gui_window_id window_id, unsigned int width, unsigned int height) |
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{ |
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os_box box = {0, 0, 0, 0}; |
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box.y0 = (height == 0 ? 0x80000000 : -height); |
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box.x1 = (width == 0 ? 0x7fffffff : width); |
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|
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assert(window_id < gui_window_list_items && gui_window_list[window_id].used); |
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|
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#ifdef DEBUG |
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printf("gui_window_extent: window_id = 0x%x, extent = %i x %i\n", window_id, width, height); |
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fflush(stdout); |
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#endif |
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|
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gui_error = xwimp_set_extent(gui_window_list[window_id].handle, &box); |
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gui_check_error(); |
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|
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gui_window_list[window_id].width = width; |
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gui_window_list[window_id].height = height; |
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} |
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|
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|
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/* |
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* gui_fill -- fill a rectangular area during window redraw |
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* |
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* => colour -- 0xbbggrr format colour |
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* x0, y0, x1, y1 -- coordinates of rectangle |
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*/ |
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|
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void gui_fill(unsigned int colour, unsigned int x0, unsigned int y0, unsigned int x1, unsigned int y1) |
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{ |
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gui_error = xcolourtrans_set_gcol((os_colour) colour << 8, 0, os_ACTION_OVERWRITE, NULL, NULL); |
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gui_check_error(); |
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|
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gui_error = xos_plot(os_MOVE_TO, (signed int) (gui_window_origin_x + x0), (signed int) (gui_window_origin_y - y0)); |
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gui_check_error(); |
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|
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gui_error = xos_plot(os_PLOT_RECTANGLE | os_PLOT_TO, |
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(signed int) (gui_window_origin_x + x1), (signed int) (gui_window_origin_y - y1)); |
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gui_check_error(); |
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} |
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|
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|
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/* |
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* gui_move_box -- copy a rectangular area within a window |
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* |
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* => window_id -- window id from gui_create_window |
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* x0, y0, x1, y1 -- source area |
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* x2, y2 -- destination |
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*/ |
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|
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void gui_move_box(const gui_window_id window_id, unsigned int x0, unsigned int y0, |
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unsigned int x1, unsigned int y1, unsigned int x2, unsigned int y2) |
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{ |
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|
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assert(window_id < gui_window_list_items && gui_window_list[window_id].used); |
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|
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#ifdef DEBUG |
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printf("gui_move_box: window_id = 0x%x, box = %i %i %i %i, dest = %i %i\n", |
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window_id, x0, y0, x1, y1, x2, y2); |
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fflush(stdout); |
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#endif |
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|
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gui_error = xwimp_block_copy(gui_window_list[window_id].handle, (signed int) x0, (signed int) -y1, |
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(signed int) x1, (signed int) -y0, (signed int) x2, (signed int) -(y1 + (y2 - y0))); |
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gui_check_error(); |
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} |
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