diff options
Diffstat (limited to 'framebuffer/fbtk.c')
| -rw-r--r-- | framebuffer/fbtk.c | 1209 |
1 files changed, 0 insertions, 1209 deletions
diff --git a/framebuffer/fbtk.c b/framebuffer/fbtk.c deleted file mode 100644 index 56215bdd5..000000000 --- a/framebuffer/fbtk.c +++ /dev/null @@ -1,1209 +0,0 @@ -/* - * Copyright 2008 Vincent Sanders <vince@simtec.co.uk> - * - * Framebuffer windowing toolkit - * - * 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/>. - */ - -#include <sys/types.h> -#include <stdint.h> -#include <string.h> -#include <stdbool.h> - -#include <libnsfb.h> -#include <libnsfb_plot.h> -#include <libnsfb_plot_util.h> -#include <libnsfb_event.h> -#include <libnsfb_cursor.h> - -#include "utils/utils.h" -#include "utils/log.h" -#include "css/css.h" -#include "desktop/browser.h" -#include "desktop/plotters.h" - -#include "framebuffer/gui.h" -#include "framebuffer/fbtk.h" -#include "framebuffer/fbtk_widget.h" -#include "framebuffer/bitmap.h" -#include "framebuffer/image_data.h" - -static plot_font_style_t root_style = { - .family = PLOT_FONT_FAMILY_SANS_SERIF, - .size = 11 * FONT_SIZE_SCALE, - .weight = 400, - .flags = FONTF_NONE, -}; - - -/* widget list */ -struct fbtk_widget_list_s { - struct fbtk_widget_list_s *next; - struct fbtk_widget_list_s *prev; - fbtk_widget_t *widget; -} ; - -enum { - POINT_LEFTOF_REGION = 1, - POINT_RIGHTOF_REGION = 2, - POINT_ABOVE_REGION = 4, - POINT_BELOW_REGION = 8, -}; - -#define REGION(x,y,cx1,cx2,cy1,cy2) \ - (( (y) > (cy2) ? POINT_BELOW_REGION : 0) | \ - ( (y) < (cy1) ? POINT_ABOVE_REGION : 0) | \ - ( (x) > (cx2) ? POINT_RIGHTOF_REGION : 0) | \ - ( (x) < (cx1) ? POINT_LEFTOF_REGION : 0) ) - -#define SWAP(a, b) do { int t; t=(a); (a)=(b); (b)=t; } while(0) - -/* clip a rectangle to another rectangle */ -bool fbtk_clip_rect(const bbox_t * restrict clip, bbox_t * restrict box) -{ - uint8_t region1; - uint8_t region2; - - if (box->x1 < box->x0) SWAP(box->x0, box->x1); - if (box->y1 < box->y0) SWAP(box->y0, box->y1); - - region1 = REGION(box->x0, box->y0, clip->x0, clip->x1 - 1, clip->y0, clip->y1 - 1); - region2 = REGION(box->x1, box->y1, clip->x0, clip->x1 - 1, clip->y0, clip->y1 - 1); - - /* area lies entirely outside the clipping rectangle */ - if ((region1 | region2) && (region1 & region2)) - return false; - - if (box->x0 < clip->x0) - box->x0 = clip->x0; - if (box->x0 > clip->x1) - box->x0 = clip->x1; - - if (box->x1 < clip->x0) - box->x1 = clip->x0; - if (box->x1 > clip->x1) - box->x1 = clip->x1; - - if (box->y0 < clip->y0) - box->y0 = clip->y0; - if (box->y0 > clip->y1) - box->y0 = clip->y1; - - if (box->y1 < clip->y0) - box->y1 = clip->y0; - if (box->y1 > clip->y1) - box->y1 = clip->y1; - - return true; -} - -/* clip a rectangle to a widgets area rectangle */ -bool fbtk_clip_to_widget(fbtk_widget_t *widget, bbox_t * restrict box) -{ - bbox_t wbox; - wbox.x0 = 0; - wbox.y0 = 0; - wbox.x1 = widget->width; - wbox.y1 = widget->height; - return fbtk_clip_rect(&wbox, box); -} - - -/* creates a new widget of a given type */ -fbtk_widget_t * -new_widget(enum fbtk_widgettype_e type) -{ - fbtk_widget_t *neww; - neww = calloc(1, sizeof(fbtk_widget_t)); - neww->type = type; - return neww; -} - - -/* find the root widget from any widget in the toolkits hierarchy */ -fbtk_widget_t * -get_root_widget(fbtk_widget_t *widget) -{ - while (widget->parent != NULL) - widget = widget->parent; - - /* check root widget was found */ - if (widget->type != FB_WIDGET_TYPE_ROOT) { - LOG(("Widget with null parent that is not the root widget!")); - return NULL; - } - - return widget; -} - - -/* set widget to be redrawn */ -void -fbtk_request_redraw(fbtk_widget_t *widget) -{ - widget->redraw_required = true; - - if (widget->type == FB_WIDGET_TYPE_WINDOW) { - fbtk_widget_list_t *lent = widget->u.window.widgets; - - while (lent != NULL) { - lent->widget->redraw_required = true; - lent = lent->next; - } - } - - while (widget->parent != NULL) { - widget = widget->parent; - widget->redraw_required = true; - } -} - -fbtk_widget_t * -add_widget_to_window(fbtk_widget_t *window, fbtk_widget_t *widget) -{ - fbtk_widget_list_t *newent; - fbtk_widget_list_t **nextent; - fbtk_widget_list_t *prevent; /* previous entry pointer */ - - if (window->type == FB_WIDGET_TYPE_WINDOW) { - /* caller attached widget to a window */ - - nextent = &window->u.window.widgets; - prevent = NULL; - while (*nextent != NULL) { - prevent = (*nextent); - nextent = &(prevent->next); - } - - newent = calloc(1, sizeof(struct fbtk_widget_list_s)); - - newent->widget = widget; - newent->next = NULL; - newent->prev = prevent; - - *nextent = newent; - - window->u.window.widgets_end = newent; - } - widget->parent = window; - - fbtk_request_redraw(widget); - - return widget; -} - -static void -remove_widget_from_window(fbtk_widget_t *window, fbtk_widget_t *widget) -{ - fbtk_widget_list_t *lent = window->u.window.widgets; - - while ((lent != NULL) && (lent->widget != widget)) { - lent = lent->next; - } - - if (lent != NULL) { - if (lent->prev == NULL) { - window->u.window.widgets = lent->next; - } else { - lent->prev->next = lent->next; - } - if (lent->next == NULL) { - window->u.window.widgets_end = lent->prev; - } else { - lent->next->prev = lent->prev; - } - free(lent); - } -} - -static void -fbtk_redraw_widget(fbtk_widget_t *widget) -{ - nsfb_bbox_t saved_plot_ctx; - nsfb_bbox_t plot_ctx; - fbtk_widget_t *root = get_root_widget(widget); - - //LOG(("widget %p type %d", widget, widget->type)); - if (widget->redraw_required == false) - return; - - widget->redraw_required = false; - - /* ensure there is a redraw handler */ - if (fbtk_get_handler(widget, FBTK_CBT_REDRAW) == NULL) - return; - - /* get the current clipping rectangle */ - nsfb_plot_get_clip(root->u.root.fb, &saved_plot_ctx); - - plot_ctx.x0 = fbtk_get_x(widget); - plot_ctx.y0 = fbtk_get_y(widget); - plot_ctx.x1 = plot_ctx.x0 + widget->width; - plot_ctx.y1 = plot_ctx.y0 + widget->height; - - /* clip widget to the current area and redraw if its exposed */ - if (nsfb_plot_clip(&saved_plot_ctx, &plot_ctx )) { - - nsfb_plot_set_clip(root->u.root.fb, &plot_ctx); - - fbtk_post_callback(widget, FBTK_CBT_REDRAW); - - /* restore clipping rectangle */ - nsfb_plot_set_clip(root->u.root.fb, &saved_plot_ctx); - - //LOG(("OS redrawing %d,%d %d,%d", fb_plot_ctx.x0, fb_plot_ctx.y0, fb_plot_ctx.x1, fb_plot_ctx.y1)); - } - -} - -/*************** redraw widgets **************/ - -static int -fb_redraw_fill(fbtk_widget_t *widget, fbtk_callback_info *cbi) -{ - nsfb_bbox_t bbox; - fbtk_widget_t *root = get_root_widget(widget); - - fbtk_get_bbox(widget, &bbox); - - nsfb_claim(root->u.root.fb, &bbox); - - /* clear background */ - if ((widget->bg & 0xFF000000) != 0) { - /* transparent polygon filling isnt working so fake it */ - nsfb_plot_rectangle_fill(root->u.root.fb, &bbox, widget->bg); - } - - nsfb_update(root->u.root.fb, &bbox); - return 0; -} - - - -static int -fb_redraw_bitmap(fbtk_widget_t *widget, fbtk_callback_info *cbi) -{ - nsfb_bbox_t bbox; - nsfb_bbox_t rect; - fbtk_widget_t *root = get_root_widget(widget); - - fbtk_get_bbox(widget, &bbox); - - rect = bbox; - - nsfb_claim(root->u.root.fb, &bbox); - - /* clear background */ - if ((widget->bg & 0xFF000000) != 0) { - /* transparent polygon filling isnt working so fake it */ - nsfb_plot_rectangle_fill(root->u.root.fb, &bbox, widget->bg); - } - - /* plot the image */ - nsfb_plot_bitmap(root->u.root.fb, - &rect, - (nsfb_colour_t *)widget->u.bitmap.bitmap->pixdata, - widget->u.bitmap.bitmap->width, - widget->u.bitmap.bitmap->height, - widget->u.bitmap.bitmap->width, - !widget->u.bitmap.bitmap->opaque); - - nsfb_update(root->u.root.fb, &bbox); - - return 0; -} - -static int -fbtk_window_default_redraw(fbtk_widget_t *window, fbtk_callback_info *cbi) -{ - fbtk_widget_list_t *lent; - int res = 0; - - /* get the list of widgets */ - lent = window->u.window.widgets; - - while (lent != NULL) { - fbtk_redraw_widget(lent->widget); - lent = lent->next; - } - return res; -} - -static int -fbtk_window_default_move(fbtk_widget_t *window, fbtk_callback_info *cbi) -{ - fbtk_widget_list_t *lent; - fbtk_widget_t *widget; - int res = 0; - - /* get the list of widgets */ - lent = window->u.window.widgets_end; - - while (lent != NULL) { - widget = lent->widget; - - if ((cbi->x > widget->x) && - (cbi->y > widget->y) && - (cbi->x < widget->x + widget->width) && - (cbi->y < widget->y + widget->height)) { - res = fbtk_post_callback(widget, - FBTK_CBT_POINTERMOVE, - cbi->x - widget->x, - cbi->y - widget->y); - break; - } - lent = lent->prev; - } - return res; -} - -static int -fbtk_window_default_click(fbtk_widget_t *window, fbtk_callback_info *cbi) -{ - fbtk_widget_list_t *lent; - fbtk_widget_t *widget; - int res = 0; - - /* get the list of widgets */ - lent = window->u.window.widgets; - - while (lent != NULL) { - widget = lent->widget; - - if ((cbi->x > widget->x) && - (cbi->y > widget->y) && - (cbi->x < widget->x + widget->width) && - (cbi->y < widget->y + widget->height)) { - if (fbtk_get_handler(widget, FBTK_CBT_INPUT) != NULL) { - fbtk_widget_t *root = get_root_widget(widget); - root->u.root.input = widget; - } - - res = fbtk_post_callback(widget, - FBTK_CBT_CLICK, - cbi->event, - cbi->x - widget->x, - cbi->y - widget->y); - if (res != 0) - break; - - } - lent = lent->next; - } - return res; -} - -static int -fb_redraw_text(fbtk_widget_t *widget, fbtk_callback_info *cbi ) -{ - nsfb_bbox_t bbox; - nsfb_bbox_t rect; - fbtk_widget_t *root = get_root_widget(widget); - - fbtk_get_bbox(widget, &bbox); - - rect = bbox; - - nsfb_claim(root->u.root.fb, &bbox); - - /* clear background */ - if ((widget->bg & 0xFF000000) != 0) { - /* transparent polygon filling isnt working so fake it */ - nsfb_plot_rectangle_fill(root->u.root.fb, &bbox, widget->bg); - } - - - if (widget->u.text.outline) { - rect.x1--; - rect.y1--; - nsfb_plot_rectangle(root->u.root.fb, &rect, 1, 0x00000000, false, false); - } - - if (widget->u.text.text != NULL) { - root_style.background = widget->bg; - root_style.foreground = widget->fg; - - plot.text(bbox.x0 + 3, - bbox.y0 + 17, - widget->u.text.text, - strlen(widget->u.text.text), - &root_style); - } - - nsfb_update(root->u.root.fb, &bbox); - - return 0; -} - - - - -static int -text_input(fbtk_widget_t *widget, fbtk_callback_info *cbi) -{ - int value; - if (cbi->event == NULL) { - /* gain focus */ - if (widget->u.text.text == NULL) - widget->u.text.text = calloc(1,1); - widget->u.text.idx = strlen(widget->u.text.text); - - fbtk_request_redraw(widget); - - return 0; - } - - if (cbi->event->type != NSFB_EVENT_KEY_DOWN) - return 0; - - value = cbi->event->value.keycode; - switch (value) { - case NSFB_KEY_BACKSPACE: - if (widget->u.text.idx <= 0) - break; - widget->u.text.idx--; - widget->u.text.text[widget->u.text.idx] = 0; - break; - - case NSFB_KEY_RETURN: - widget->u.text.enter(widget->u.text.pw, widget->u.text.text); - break; - - case NSFB_KEY_PAGEUP: - case NSFB_KEY_PAGEDOWN: - case NSFB_KEY_RIGHT: - case NSFB_KEY_LEFT: - case NSFB_KEY_UP: - case NSFB_KEY_DOWN: - case NSFB_KEY_RSHIFT: - case NSFB_KEY_LSHIFT: - /* Not handling any of these correctly yet, but avoid putting - * charcters in the text widget when they're pressed. */ - break; - - default: - /* allow for new character and null */ - { - char *temp = realloc(widget->u.text.text, - widget->u.text.idx + 2); - if (temp != NULL) { - widget->u.text.text = temp; - widget->u.text.text[widget->u.text.idx] = value; - widget->u.text.text[widget->u.text.idx + 1] = '\0'; - widget->u.text.idx++; - } - } - break; - } - - fbtk_request_redraw(widget); - - return 0; -} - -/* sets the enter action on a writable icon */ -void -fbtk_writable_text(fbtk_widget_t *widget, fbtk_enter_t enter, void *pw) -{ - widget->u.text.enter = enter; - widget->u.text.pw = pw; - - fbtk_set_handler(widget, FBTK_CBT_INPUT, text_input, widget); -} - - -/********** acessors ***********/ -int -fbtk_get_height(fbtk_widget_t *widget) -{ - return widget->height; -} - -int -fbtk_get_width(fbtk_widget_t *widget) -{ - return widget->width; -} - -int -fbtk_get_x(fbtk_widget_t *widget) -{ - int x = widget->x; - - while (widget->parent != NULL) { - widget = widget->parent; - x += widget->x; - } - - return x; -} - -int -fbtk_get_y(fbtk_widget_t *widget) -{ - int y = widget->y; - - while (widget->parent != NULL) { - widget = widget->parent; - y += widget->y; - } - - return y; -} - -/* get widgets bounding box in screen co-ordinates */ -bool -fbtk_get_bbox(fbtk_widget_t *widget, nsfb_bbox_t *bbox) -{ - bbox->x0 = widget->x; - bbox->y0 = widget->y; - bbox->x1 = widget->x + widget->width; - bbox->y1 = widget->y + widget->height; - - while (widget->parent != NULL) { - widget = widget->parent; - bbox->x0 += widget->x; - bbox->y0 += widget->y; - bbox->x1 += widget->x; - bbox->y1 += widget->y; - } - - return true; -} - -fbtk_callback -fbtk_get_handler(fbtk_widget_t *widget, fbtk_callback_type cbt) -{ - if ((cbt <= FBTK_CBT_START) || (cbt >= FBTK_CBT_END)) { - /* type out of range, no way to report error so return NULL */ - return NULL; - } - - return widget->callback[cbt]; -} - -fbtk_callback -fbtk_set_handler(fbtk_widget_t *widget, - fbtk_callback_type cbt, - fbtk_callback cb, - void *context) -{ - fbtk_callback prevcb; - - if ((cbt <= FBTK_CBT_START) || (cbt >= FBTK_CBT_END)) { - /* type out of range, no way to report error so return NULL */ - return NULL; - } - - prevcb = widget->callback[cbt]; - - widget->callback[cbt] = cb; - widget->callback_context[cbt] = context; - - return prevcb; -} - - -void * -fbtk_get_userpw(fbtk_widget_t *widget) -{ - if ((widget == NULL) || (widget->type != FB_WIDGET_TYPE_USER)) - return NULL; - - return widget->u.user.pw; -} - -void -fbtk_set_text(fbtk_widget_t *widget, const char *text) -{ - if ((widget == NULL) || (widget->type != FB_WIDGET_TYPE_TEXT)) - return; - if (widget->u.text.text != NULL) { - if (strcmp(widget->u.text.text, text) == 0) - return; /* text is being set to the same thing */ - free(widget->u.text.text); - } - widget->u.text.text = strdup(text); - widget->u.text.idx = strlen(text); - - fbtk_request_redraw(widget); -} - - -void -fbtk_set_bitmap(fbtk_widget_t *widget, struct bitmap *image) -{ - if ((widget == NULL) || (widget->type != FB_WIDGET_TYPE_BITMAP)) - return; - - widget->u.bitmap.bitmap = image; - - fbtk_request_redraw(widget); -} - -void -fbtk_set_pos_and_size(fbtk_widget_t *widget, int x, int y, int width, int height) -{ - if ((widget->x != x) || - (widget->y != y) || - (widget->width != width) || - (widget->height != height)) { - widget->x = x; - widget->y = y; - widget->width = width; - widget->height = height; - fbtk_request_redraw(widget); - LOG(("%d,%d %d,%d",x,y,width,height)); - } -} - -int -fbtk_count_children(fbtk_widget_t *widget) -{ - int count = 0; - fbtk_widget_list_t *lent; - - if (widget->type != FB_WIDGET_TYPE_WINDOW) { - if (widget->type != FB_WIDGET_TYPE_ROOT) - return -1; - widget = widget->u.root.rootw; - } - - lent = widget->u.window.widgets; - - while (lent != NULL) { - count++; - lent = lent->next; - } - - return count; -} - - -void -fbtk_input(fbtk_widget_t *root, nsfb_event_t *event) -{ - fbtk_widget_t *input; - - root = get_root_widget(root); - - /* obtain widget with input focus */ - input = root->u.root.input; - if (input == NULL) - return; /* no widget with input */ - - fbtk_post_callback(input, FBTK_CBT_INPUT, event); -} - -void -fbtk_click(fbtk_widget_t *widget, nsfb_event_t *event) -{ - fbtk_widget_t *root; - nsfb_bbox_t cloc; - - /* ensure we have the root widget */ - root = get_root_widget(widget); - - nsfb_cursor_loc_get(root->u.root.fb, &cloc); - - - /* post the click */ - fbtk_post_callback(root->u.root.rootw, FBTK_CBT_CLICK, event, cloc.x0, cloc.y0); -} - - - -void -fbtk_move_pointer(fbtk_widget_t *widget, int x, int y, bool relative) -{ - fbtk_widget_t *root; - nsfb_bbox_t cloc; - - /* ensure we have the root widget */ - root = get_root_widget(widget); - - if (relative) { - nsfb_cursor_loc_get(root->u.root.fb, &cloc); - cloc.x0 += x; - cloc.y0 += y; - } else { - cloc.x0 = x; - cloc.y0 = y; - } - - root->redraw_required = true; - - /* update the pointer cursor */ - nsfb_cursor_loc_set(root->u.root.fb, &cloc); - - /* post the movement */ - fbtk_post_callback(root->u.root.rootw, FBTK_CBT_POINTERMOVE, cloc.x0, cloc.y0); - -} - -bool -fbtk_redraw_pending(fbtk_widget_t *widget) -{ - fbtk_widget_t *root; - - /* ensure we have the root widget */ - root = get_root_widget(widget); - - return root->redraw_required; -} - -int -fbtk_redraw(fbtk_widget_t *widget) -{ - fbtk_widget_t *root; - - /* ensure we have the root widget */ - root = get_root_widget(widget); - - if (!root->redraw_required) - return 0; - - fbtk_post_callback(root->u.root.rootw, FBTK_CBT_REDRAW); - - widget->redraw_required = false; - - return 1; -} - -/****** widget destruction ********/ -int fbtk_destroy_widget(fbtk_widget_t *widget) -{ - if (widget->type == FB_WIDGET_TYPE_WINDOW) { - /* TODO: walk child widgets and destroy them */ - } - - remove_widget_from_window(widget->parent, widget); - free(widget); - - return 0; -} - - -/************** Widget creation *************/ -fbtk_widget_t * -fbtk_create_text(fbtk_widget_t *window, - int x, int y, - int width, int height, - colour bg, colour fg, - bool outline) -{ - fbtk_widget_t *newt = new_widget(FB_WIDGET_TYPE_TEXT); - - newt->x = x; - newt->y = y; - newt->width = width; - newt->height = height; - newt->u.text.outline = outline; - - newt->fg = fg; - newt->bg = bg; - - fbtk_set_handler(newt, FBTK_CBT_REDRAW, fb_redraw_text, NULL); - - return add_widget_to_window(window, newt); -} - -fbtk_widget_t * -fbtk_create_bitmap(fbtk_widget_t *window, int x, int y, colour c, struct bitmap *image) -{ - fbtk_widget_t *newb = new_widget(FB_WIDGET_TYPE_BITMAP); - - newb->x = x; - newb->y = y; - newb->width = image->width; - newb->height = image->height; - newb->bg = c; - - newb->u.bitmap.bitmap = image; - - fbtk_set_handler(newb, FBTK_CBT_REDRAW, fb_redraw_bitmap, NULL); - - return add_widget_to_window(window, newb); -} - -static void -fbtk_width_height(fbtk_widget_t *parent, int x, int y, int *width, int *height) -{ - /* make widget fit inside parent */ - if (*width == 0) { - *width = parent->width - x; - } else if (*width < 0) { - *width = parent->width + *width; - } - if ((*width + x) > parent->width) { - *width = parent->width - x; - } - - if (*height == 0) { - *height = parent->height - y; - } else if (*height < 0) { - *height = parent->height + *height; - } - if ((*height + y) > parent->height) { - *height = parent->height - y; - } -} - -fbtk_widget_t * -fbtk_create_fill(fbtk_widget_t *window, int x, int y, int width, int height, colour c) -{ - fbtk_widget_t *neww = new_widget(FB_WIDGET_TYPE_FILL); - - neww->x = x; - neww->y = y; - neww->width = width; - neww->height = height; - - fbtk_width_height(window, x, y, &neww->width, &neww->height); - - neww->bg = c; - - fbtk_set_handler(neww, FBTK_CBT_REDRAW, fb_redraw_fill, NULL); - - return add_widget_to_window(window, neww); -} - -/* set pointer to bitmap in context on cursor move */ -static int -fbtk_set_ptr_move(fbtk_widget_t *widget, fbtk_callback_info *cbi) -{ - fbtk_widget_t *root = get_root_widget(widget); - struct bitmap *bm = cbi->context; - - nsfb_cursor_set(root->u.root.fb, - (nsfb_colour_t *)bm->pixdata, - bm->width, - bm->height, - bm->width); - - return 0; -} - -fbtk_widget_t * -fbtk_create_button(fbtk_widget_t *window, - int x, int y, - colour c, - struct bitmap *image, - fbtk_callback click, - void *pw) -{ - fbtk_widget_t *newb = fbtk_create_bitmap(window, x, y, c, image); - - fbtk_set_handler(newb, FBTK_CBT_CLICK, click, pw); - fbtk_set_handler(newb, FBTK_CBT_POINTERMOVE, fbtk_set_ptr_move, &hand_image); - - return newb; -} - -fbtk_widget_t * -fbtk_create_writable_text(fbtk_widget_t *window, - int x, int y, - int width, int height, - colour bg, colour fg, - bool outline, - fbtk_enter_t enter, void *pw) -{ - fbtk_widget_t *newt = fbtk_create_text(window, x, y, width, height, bg,fg,outline); - newt->u.text.enter = enter; - newt->u.text.pw = pw; - - fbtk_set_handler(newt, FBTK_CBT_INPUT, text_input, newt); - - return newt; -} - -/* create user widget - * - * @param x coord relative to parent - */ -fbtk_widget_t * -fbtk_create_user(fbtk_widget_t *window, - int x, int y, - int width, int height, - void *pw) -{ - fbtk_widget_t *newu = new_widget(FB_WIDGET_TYPE_USER); - - - /* make new window fit inside parent */ - if (width == 0) { - width = window->width - x; - } else if (width < 0) { - width = window->width + width; - } - if ((width + x) > window->width) { - width = window->width - x; - } - - if (height == 0) { - height = window->height - y; - } else if (height < 0) { - height = window->height + height; - } - if ((height + y) > window->height) { - height = window->height - y; - } - - newu->x = x; - newu->y = y; - newu->width = width; - newu->height = height; - - newu->u.user.pw = pw; - - return add_widget_to_window(window, newu); -} - - -/* create new window - * - * @param x coord relative to parent - */ -fbtk_widget_t * -fbtk_create_window(fbtk_widget_t *parent, - int x, int y, int width, int height) -{ - fbtk_widget_t *newwin; - - LOG(("Creating window %p %d,%d %d,%d",parent,x,y,width,height)); - if (parent == NULL) - return NULL; - - if ((parent->type == FB_WIDGET_TYPE_ROOT) && - (parent->u.root.rootw != NULL)) { - LOG(("Using root window")); - parent = parent->u.root.rootw; - } - - newwin = new_widget(FB_WIDGET_TYPE_WINDOW); - - /* make new window fit inside parent */ - if (width == 0) { - width = parent->width - x; - } else if (width < 0) { - width = parent->width + width; - } - if ((width + x) > parent->width) { - width = parent->width - x; - } - - if (height == 0) { - height = parent->height - y; - } else if (height < 0) { - height = parent->height + height; - } - if ((height + y) > parent->height) { - height = parent->height - y; - } - - newwin->x = x; - newwin->y = y; - newwin->width = width; - newwin->height = height; - - fbtk_set_handler(newwin, FBTK_CBT_REDRAW, fbtk_window_default_redraw, NULL); - fbtk_set_handler(newwin, FBTK_CBT_POINTERMOVE, fbtk_window_default_move, NULL); - fbtk_set_handler(newwin, FBTK_CBT_CLICK, fbtk_window_default_click, NULL); - LOG(("Created window %p %d,%d %d,%d",newwin,x,y,width,height)); - - return add_widget_to_window(parent, newwin); -} - -int -fbtk_post_callback(fbtk_widget_t *widget, fbtk_callback_type cbt, ...) -{ - fbtk_callback_info cbi; - int ret = 0; - va_list ap; - - if (widget->callback[cbt] != NULL) { - cbi.type = cbt; - cbi.context = widget->callback_context[cbt]; - - va_start(ap, cbt); - - switch (cbt) { - case FBTK_CBT_SCROLLX: - cbi.x = va_arg(ap,int); - break; - - case FBTK_CBT_SCROLLY: - cbi.y = va_arg(ap,int); - break; - - case FBTK_CBT_CLICK: - cbi.event = va_arg(ap, void *); - cbi.x = va_arg(ap, int); - cbi.y = va_arg(ap, int); - break; - - case FBTK_CBT_INPUT: - cbi.event = va_arg(ap, void *); - break; - - case FBTK_CBT_POINTERMOVE: - cbi.x = va_arg(ap, int); - cbi.y = va_arg(ap, int); - break; - - case FBTK_CBT_REDRAW: - break; - - case FBTK_CBT_USER: - break; - - default: - break; - } - va_end(ap); - - ret = (widget->callback[cbt])(widget, &cbi); - } - - return ret; -} - -bool fbtk_event(fbtk_widget_t *root, nsfb_event_t *event, int timeout) -{ - bool unused = false; /* is the event available */ - - /* ensure we have the root widget */ - root = get_root_widget(root); - - //LOG(("Reading event with timeout %d",timeout)); - - if (nsfb_event(root->u.root.fb, event, timeout) == false) - return false; - - switch (event->type) { - case NSFB_EVENT_KEY_DOWN: - case NSFB_EVENT_KEY_UP: - if ((event->value.controlcode >= NSFB_KEY_MOUSE_1) && - (event->value.controlcode <= NSFB_KEY_MOUSE_5)) { - fbtk_click(root, event); - } else { - fbtk_input(root, event); - } - break; - - case NSFB_EVENT_CONTROL: - unused = true; - break; - - case NSFB_EVENT_MOVE_RELATIVE: - fbtk_move_pointer(root, event->value.vector.x, event->value.vector.y, true); - break; - - case NSFB_EVENT_MOVE_ABSOLUTE: - fbtk_move_pointer(root, event->value.vector.x, event->value.vector.y, false); - break; - - default: - break; - - } - return unused; -} - - -nsfb_t * -fbtk_get_nsfb(fbtk_widget_t *widget) -{ - fbtk_widget_t *root; - - /* ensure we have the root widget */ - root = get_root_widget(widget); - - return root->u.root.fb; -} - -/* Initialise toolkit for use */ -fbtk_widget_t * -fbtk_init(nsfb_t *fb) -{ - fbtk_widget_t *root = new_widget(FB_WIDGET_TYPE_ROOT); - - nsfb_get_geometry(fb, &root->width, &root->height, NULL); - - LOG(("width %d height %d",root->width, root->height)); - root->u.root.fb = fb; - root->x = 0; - root->y = 0; - root->u.root.rootw = fbtk_create_window(root, 0, 0, 0, 0); - - return root; -} - -static int keymap[] = { - /* 0 1 2 3 4 5 6 7 8 9 */ - -1, -1, -1, -1, -1, -1, -1, -1, 8, 9, /* 0 - 9 */ - -1, -1, -1, 13, -1, -1, -1, -1, -1, -1, /* 10 - 19 */ - -1, -1, -1, -1, -1, -1, -1, 27, -1, -1, /* 20 - 29 */ - -1, -1, ' ', '!', '"', '#', '$', -1, '&','\'', /* 30 - 39 */ - '(', ')', '*', '+', ',', '-', '.', '/', '0', '1', /* 40 - 49 */ - '2', '3', '4', '5', '6', '7', '8', '9', ':', ';', /* 50 - 59 */ - '<', '=', '>', '?', '@', -1, -1, -1, -1, -1, /* 60 - 69 */ - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 70 - 79 */ - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 80 - 89 */ - -1, '[','\\', ']', '~', '_', '`', 'a', 'b', 'c', /* 90 - 99 */ - 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', /* 100 - 109 */ - 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', /* 110 - 119 */ - 'x', 'y', 'z', -1, -1, -1, -1, -1, -1, -1, /* 120 - 129 */ -}; - -static int sh_keymap[] = { - /* 0 1 2 3 4 5 6 7 8 9 */ - -1, -1, -1, -1, -1, -1, -1, -1, 8, 9, /* 0 - 9 */ - -1, -1, -1, 13, -1, -1, -1, -1, -1, -1, /* 10 - 19 */ - -1, -1, -1, -1, -1, -1, -1, 27, -1, -1, /* 20 - 29 */ - -1, -1, ' ', '!', '"', '~', '$', -1, '&', '@', /* 30 - 39 */ - '(', ')', '*', '+', '<', '_', '>', '?', ')', '!', /* 40 - 49 */ - '"', 243, '$', '%', '^', '&', '*', '(', ';', ':', /* 50 - 59 */ - '<', '+', '>', '?', '@', -1, -1, -1, -1, -1, /* 60 - 69 */ - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 70 - 79 */ - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 80 - 89 */ - -1, '{', '|', '}', '~', '_', 254, 'A', 'B', 'C', /* 90 - 99 */ - 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', /* 100 - 109 */ - 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', /* 110 - 119 */ - 'X', 'Y', 'Z', -1, -1, -1, -1, -1, -1, -1, /* 120 - 129 */ -}; - - -/* performs character mapping */ -int fbtk_keycode_to_ucs4(int code, uint8_t mods) -{ - int ucs4 = -1; - - if (mods) { - if ((code >= 0) && (code < (int) NOF_ELEMENTS(sh_keymap))) - ucs4 = sh_keymap[code]; - } else { - if ((code >= 0) && (code < (int) NOF_ELEMENTS(keymap))) - ucs4 = keymap[code]; - } - return ucs4; -} - -/* - * Local Variables: - * c-basic-offset:8 - * End: - */ |