mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-12-23 20:46:50 +03:00
Add frame target support to imagemaps.
svn path=/trunk/netsurf/; revision=2920
This commit is contained in:
John Mark Bell
parent
cba08bf827
commit
221e5aa2a3
@ -78,7 +78,7 @@ static void download_window_callback(fetch_msg msg, void *p, const void *data,
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static void browser_window_destroy_children(struct browser_window *bw);
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static void browser_window_destroy_internal(struct browser_window *bw);
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static struct browser_window *browser_window_find_target(struct browser_window *bw, const char *target);
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static void browser_window_find_target_internal(struct browser_window *bw, const char *target,
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static void browser_window_find_target_internal(struct browser_window *bw, const char *target,
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int depth, struct browser_window *page, int *rdepth, struct browser_window **bw_target);
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static void browser_window_mouse_action_html(struct browser_window *bw,
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browser_mouse_state mouse, int x, int y);
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@ -145,7 +145,7 @@ struct browser_window *browser_window_create(const char *url, struct browser_win
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bw->scrolling = SCROLLING_YES;
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bw->border = true;
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bw->no_resize = true;
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/* gui window */
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if ((bw->window = gui_create_browser_window(bw, clone)) == NULL) {
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browser_window_destroy(bw);
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@ -168,10 +168,10 @@ struct browser_window *browser_window_owner(struct browser_window *bw) {
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/* an iframe's parent is just the parent window */
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if (bw->browser_window_type == BROWSER_WINDOW_IFRAME)
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return bw->parent;
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/* the parent of a frameset is either a NORMAL window or an IFRAME */
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while (bw->parent) {
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switch (bw->browser_window_type) {
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switch (bw->browser_window_type) {
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case BROWSER_WINDOW_NORMAL:
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case BROWSER_WINDOW_IFRAME:
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return bw;
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@ -198,7 +198,7 @@ void browser_window_create_iframes(struct browser_window *bw,
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struct content_html_iframe *cur;
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int iframes = 0;
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int index;
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for (cur = iframe; cur; cur = cur->next)
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iframes++;
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bw->iframes = calloc(iframes, sizeof(*bw));
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@ -214,7 +214,7 @@ void browser_window_create_iframes(struct browser_window *bw,
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window->history = history_create();
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window->sel = selection_create(window);
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window->refresh_interval = -1;
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/* window characteristics */
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window->drag_type = DRAGGING_NONE;
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window->browser_window_type = BROWSER_WINDOW_IFRAME;
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@ -226,11 +226,11 @@ void browser_window_create_iframes(struct browser_window *bw,
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window->margin_height = cur->margin_height;
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if (cur->name)
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window->name = strdup(cur->name);
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/* linking */
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window->box = cur->box;
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window->parent = bw;
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/* gui window */
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window->window = gui_create_browser_window(window, bw);
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}
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@ -253,7 +253,7 @@ void browser_window_create_iframes(struct browser_window *bw,
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*
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* \param bw The browser window to reposition iframes for
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*/
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void browser_window_recalculate_iframes(struct browser_window *bw) {
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struct browser_window *window;
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struct rect rect;
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@ -261,7 +261,7 @@ void browser_window_recalculate_iframes(struct browser_window *bw) {
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int index;
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assert(bw);
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/* update window dimensions */
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gui_window_get_dimensions(bw->window, &bw_width, &bw_height);
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if (!bw->parent) {
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@ -270,13 +270,13 @@ void browser_window_recalculate_iframes(struct browser_window *bw) {
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bw->x1 = bw_width;
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bw->y1 = bw_height;
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}
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for (index = 0; index < bw->iframe_count; index++) {
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window = &(bw->iframes[index]);
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box_bounds(window->box, &rect);
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gui_window_position_frame(window->window, rect.x0, rect.y0,
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rect.x1, rect.y1);
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}
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rect.x1, rect.y1);
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}
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}
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@ -300,7 +300,7 @@ void browser_window_create_frameset(struct browser_window *bw,
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/* create children */
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assert(bw->children == NULL);
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assert(frameset->cols + frameset->rows != 0);
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bw->children = calloc((frameset->cols * frameset->rows), sizeof(*bw));
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if (!bw->children)
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return;
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@ -311,7 +311,7 @@ void browser_window_create_frameset(struct browser_window *bw,
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index = (row * bw->cols) + col;
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frame = &frameset->children[index];
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window = &bw->children[index];
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/* content */
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window->history = history_create();
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window->sel = selection_create(window);
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@ -336,18 +336,18 @@ void browser_window_create_frameset(struct browser_window *bw,
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/* linking */
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window->parent = bw;
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/* gui window */
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window->window = gui_create_browser_window(window, bw);
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if (frame->children)
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browser_window_create_frameset(window, frame);
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}
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}
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/* calculate dimensions */
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gui_window_update_extent(bw->window);
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browser_window_recalculate_frameset(bw);
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/* launch content */
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for (row = 0; row < bw->rows; row++) {
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for (col = 0; col < bw->cols; col++) {
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@ -367,7 +367,7 @@ void browser_window_create_frameset(struct browser_window *bw,
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*
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* \param bw The browser window to reposition framesets for
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*/
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void browser_window_recalculate_frameset(struct browser_window *bw) {
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int widths[bw->cols][bw->rows];
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int heights[bw->cols][bw->rows];
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@ -380,7 +380,7 @@ void browser_window_recalculate_frameset(struct browser_window *bw) {
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int x, y;
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assert(bw);
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/* window dimensions */
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if (!bw->parent) {
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gui_window_get_dimensions(bw->window, &bw_width, &bw_height);
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@ -423,7 +423,7 @@ void browser_window_recalculate_frameset(struct browser_window *bw) {
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}
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avail_width -= widths[col][row];
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}
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/* try to distribute remainder to relative values in preference */
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if ((relative > 0) && (avail_width > 0)) {
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for (col = 0; col < bw->cols; col++) {
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@ -443,7 +443,7 @@ void browser_window_recalculate_frameset(struct browser_window *bw) {
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for (col = 0; col < bw->cols; col++) {
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index = (row * bw->cols) + col;
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window = &bw->children[index];
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if (col == bw->cols - 1) {
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widths[col][row] = bw_width;
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} else {
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@ -508,7 +508,7 @@ void browser_window_recalculate_frameset(struct browser_window *bw) {
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for (row = 0; row < bw->rows; row++) {
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index = (row * bw->cols) + col;
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window = &bw->children[index];
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if (row == bw->rows - 1) {
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heights[col][row] = bw_height;
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} else {
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@ -533,7 +533,7 @@ void browser_window_recalculate_frameset(struct browser_window *bw) {
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y+= heights[col][row2];
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gui_window_position_frame(window->window, x, y,
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x + widths[col][row] - 1,
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y + heights[col][row] - 1);
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y + heights[col][row] - 1);
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x += widths[col][row];
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if (window->children)
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browser_window_recalculate_frameset(window);
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@ -547,13 +547,13 @@ void browser_window_recalculate_frameset(struct browser_window *bw) {
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*
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* \param bw The browser window to resize
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*/
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void browser_window_resize_frame(struct browser_window *bw, int x, int y) {
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struct browser_window *parent;
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struct browser_window *sibling;
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int col = -1, row = -1, i;
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bool change = false;
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parent = bw->parent;
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assert(parent);
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@ -565,7 +565,7 @@ void browser_window_resize_frame(struct browser_window *bw, int x, int y) {
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}
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}
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assert((col >= 0) && (row >= 0));
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sibling = NULL;
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if (bw->drag_resize_left)
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sibling = &parent->children[row * parent->cols + (col - 1)];
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@ -573,7 +573,7 @@ void browser_window_resize_frame(struct browser_window *bw, int x, int y) {
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sibling = &parent->children[row * parent->cols + (col + 1)];
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if (sibling)
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change |= browser_window_resolve_frame_dimension(bw, sibling, x, y, true, false);
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sibling = NULL;
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if (bw->drag_resize_up)
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sibling = &parent->children[(row - 1) * parent->cols + col];
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@ -596,7 +596,7 @@ bool browser_window_resolve_frame_dimension(struct browser_window *bw, struct br
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int frame_size;
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assert(!(width && height));
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/* extend/shrink the box to the pointer */
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if (width) {
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if (bw->drag_resize_left)
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@ -620,7 +620,7 @@ bool browser_window_resolve_frame_dimension(struct browser_window *bw, struct br
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frame_size = bw->parent->y1 - bw->parent->y0;
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}
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sibling_dimension = bw_pixels + sibling_pixels - bw_dimension;
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/* check for no change or no frame size*/
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if ((bw_dimension == bw_pixels) || (frame_size == 0))
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return false;
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@ -678,11 +678,11 @@ bool browser_window_resolve_frame_dimension(struct browser_window *bw, struct br
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bw_d->value = (bw_d->value * sibling_pixels) / sibling_dimension;
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else
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bw_d->value = (bw_d->value * bw_dimension) / bw_pixels;
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/* todo: the availble resize may have changed, update the drag box */
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return true;
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}
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/* finally we have a pixel/percentage mix. unlike relative values, percentages
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* can easily be backwards-calculated as they can simply be scaled like pixel
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* values
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@ -755,7 +755,7 @@ void browser_window_go_post(struct browser_window *bw, const char *url,
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LOG(("bw %p, url %s", bw, url));
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assert(bw);
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assert(url);
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/* don't allow massively nested framesets */
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for (cur = bw; cur->parent; cur = cur->parent)
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depth++;
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@ -1137,10 +1137,10 @@ void browser_window_start_throbber(struct browser_window *bw)
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void browser_window_stop_throbber(struct browser_window *bw)
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{
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bw->throbbing = false;
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while (bw->parent)
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bw = bw->parent;
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if (!browser_window_check_throbber(bw))
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gui_window_stop_throbber(bw->window);
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}
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@ -1148,10 +1148,10 @@ void browser_window_stop_throbber(struct browser_window *bw)
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bool browser_window_check_throbber(struct browser_window *bw)
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{
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int children, index;
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if (bw->throbbing)
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return true;
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if (bw->children) {
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children = bw->rows * bw->cols;
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for (index = 0; index < children; index++) {
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@ -1216,7 +1216,7 @@ void browser_window_update(struct browser_window *bw,
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void browser_window_stop(struct browser_window *bw)
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{
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int children, index;
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if (bw->loading_content) {
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content_remove_user(bw->loading_content,
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browser_window_callback, (intptr_t) bw, 0);
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@ -1231,7 +1231,7 @@ void browser_window_stop(struct browser_window *bw)
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}
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schedule_remove(browser_window_refresh, bw);
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if (bw->children) {
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children = bw->rows * bw->cols;
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for (index = 0; index < children; index++)
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@ -1400,14 +1400,14 @@ void browser_window_destroy_internal(struct browser_window *bw)
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* \param bw the browser_window to search all relatives of
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* \param target the target to locate
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*/
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struct browser_window *browser_window_find_target(struct browser_window *bw, const char *target)
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{
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struct browser_window *bw_target;
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struct browser_window *top;
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struct content *c;
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int rdepth;
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/* use the base target if we don't have one */
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c = bw->current_content;
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if (!target && c && c->data.html.base_target)
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@ -1438,13 +1438,13 @@ struct browser_window *browser_window_find_target(struct browser_window *bw, con
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return bw;
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return bw_target;
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}
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/* find frame according to B.8, ie using the following priorities:
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*
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* 1) current frame
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* 2) closest to front
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*/
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rdepth = -1;
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bw_target = bw;
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for (top = bw; top->parent; top = top->parent);
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@ -1452,11 +1452,11 @@ struct browser_window *browser_window_find_target(struct browser_window *bw, con
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return bw_target;
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}
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void browser_window_find_target_internal(struct browser_window *bw, const char *target,
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void browser_window_find_target_internal(struct browser_window *bw, const char *target,
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int depth, struct browser_window *page, int *rdepth, struct browser_window **bw_target)
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{
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int i;
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if ((bw->name) && (!strcasecmp(bw->name, target))) {
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if ((bw == page) || (depth > *rdepth)) {
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*rdepth = depth;
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@ -1466,7 +1466,7 @@ void browser_window_find_target_internal(struct browser_window *bw, const char *
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if ((!bw->children) && (!bw->iframes))
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return;
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depth++;
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for (i = 0; i < (bw->cols * bw->rows); i++) {
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if ((bw->children[i].name) && (!strcasecmp(bw->children[i].name, target))) {
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@ -1591,7 +1591,7 @@ void browser_window_mouse_action_html(struct browser_window *bw,
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{
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char *base_url = 0;
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char *title = 0;
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char *url = 0;
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const char *url = 0;
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const char *target = 0;
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char status_buffer[200];
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const char *status = 0;
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@ -1643,7 +1643,7 @@ void browser_window_mouse_action_html(struct browser_window *bw,
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if (box->usemap)
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url = imagemap_get(content, box->usemap,
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box_x, box_y, x, y);
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box_x, box_y, x, y, &target);
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if (box->gadget) {
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gadget_content = content;
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@ -1864,14 +1864,14 @@ void browser_window_mouse_action_html(struct browser_window *bw,
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} else {
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bool done = false;
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/* frame resizing */
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if (bw->parent) {
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struct browser_window *parent;
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for (parent = bw->parent; parent->parent; parent = parent->parent);
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browser_window_resize_frames(parent, mouse, x + bw->x0, y + bw->y0,
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&pointer, &status, &done);
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}
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}
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/* if clicking in the main page, remove the selection from any text areas */
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if (!done) {
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@ -1906,7 +1906,7 @@ void browser_window_mouse_action_html(struct browser_window *bw,
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}
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}
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}
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if (!done) {
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if (title)
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status = title;
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@ -1948,10 +1948,10 @@ bool browser_window_resize_frames(struct browser_window *bw, browser_mouse_state
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gui_pointer_shape *pointer, const char **status, bool *action) {
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bool left, right, up, down;
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int i, resize_margin;
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if ((x < bw->x0) || (x > bw->x1) || (y < bw->y0) || (y > bw->y1))
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return false;
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if ((!bw->no_resize) && (bw->parent)) {
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resize_margin = FRAME_RESIZE;
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if (resize_margin * 2 > (bw->x1 - bw->x0))
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@ -1963,7 +1963,7 @@ bool browser_window_resize_frames(struct browser_window *bw, browser_mouse_state
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resize_margin = (bw->y1 - bw->y0) / 2;
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up = (y < bw->y0 + resize_margin);
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down = (y > bw->y1 - resize_margin);
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/* check if the edges can actually be moved */
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if (left || right || up || down) {
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int row = -1, col = -1;
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@ -1984,7 +1984,7 @@ bool browser_window_resize_frames(struct browser_window *bw, browser_mouse_state
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}
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}
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assert((row >= 0) && (col >= 0));
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left &= (col > 0);
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right &= (col < bw->parent->cols - 1) & (!left);
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up &= (row > 0);
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@ -2042,7 +2042,7 @@ bool browser_window_resize_frames(struct browser_window *bw, browser_mouse_state
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}
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return false;
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}
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@ -28,6 +28,7 @@ typedef enum {
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struct mapentry {
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imagemap_entry_type type; /**< type of shape */
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char *url; /**< absolute url to go to */
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char *target; /**< target frame (if any) */
|
||||
union {
|
||||
struct {
|
||||
int x; /**< x coordinate of centre */
|
||||
@ -71,9 +72,9 @@ static int imagemap_point_in_poly(int num, float *xpt, float *ypt,
|
||||
/**
|
||||
* Add an imagemap to the hashtable, creating it if it doesn't exist
|
||||
*
|
||||
* @param c The containing content
|
||||
* @param key The name of the imagemap
|
||||
* @param list List of map regions
|
||||
* \param c The containing content
|
||||
* \param key The name of the imagemap
|
||||
* \param list List of map regions
|
||||
* \return true on succes, false otherwise
|
||||
*/
|
||||
bool imagemap_add(struct content *c, const char *key, struct mapentry *list)
|
||||
@ -108,7 +109,7 @@ bool imagemap_add(struct content *c, const char *key, struct mapentry *list)
|
||||
/**
|
||||
* Create hashtable of imagemaps
|
||||
*
|
||||
* @param c The containing content
|
||||
* \param c The containing content
|
||||
* \return true on success, false otherwise
|
||||
*/
|
||||
bool imagemap_create(struct content *c)
|
||||
@ -130,7 +131,7 @@ bool imagemap_create(struct content *c)
|
||||
/**
|
||||
* Destroy hashtable of imagemaps
|
||||
*
|
||||
* @param c The containing content
|
||||
* \param c The containing content
|
||||
*/
|
||||
void imagemap_destroy(struct content *c)
|
||||
{
|
||||
@ -160,7 +161,7 @@ void imagemap_destroy(struct content *c)
|
||||
/**
|
||||
* Dump imagemap data to the log
|
||||
*
|
||||
* @param c The containing content
|
||||
* \param c The containing content
|
||||
*/
|
||||
void imagemap_dump(struct content *c)
|
||||
{
|
||||
@ -219,8 +220,8 @@ void imagemap_dump(struct content *c)
|
||||
/**
|
||||
* Extract all imagemaps from a document tree
|
||||
*
|
||||
* @param node Root node of tree
|
||||
* @param c The containing content
|
||||
* \param node Root node of tree
|
||||
* \param c The containing content
|
||||
* \return false on memory exhaustion, true otherwise
|
||||
*/
|
||||
bool imagemap_extract(xmlNode *node, struct content *c)
|
||||
@ -314,7 +315,7 @@ bool imagemap_extract_map(xmlNode *node, struct content *c,
|
||||
*/
|
||||
bool imagemap_addtolist(xmlNode *n, char *base_url, struct mapentry **entry)
|
||||
{
|
||||
char *shape, *coords = 0, *href, *val;
|
||||
char *shape, *coords = 0, *href, *val, *target = 0;
|
||||
int num;
|
||||
struct mapentry *new_map, *temp;
|
||||
|
||||
@ -332,6 +333,9 @@ bool imagemap_addtolist(xmlNode *n, char *base_url, struct mapentry **entry)
|
||||
if ((href = (char*)xmlGetProp(n, (const xmlChar*)"href")) == NULL) {
|
||||
return true;
|
||||
}
|
||||
|
||||
target = (char *)xmlGetProp(n, (const xmlChar *)"target");
|
||||
|
||||
/* no shape -> shape is a rectangle */
|
||||
if ((shape = (char*)xmlGetProp(n, (const xmlChar*)"shape")) == NULL) {
|
||||
shape = (char*)xmlMemStrdup("rect");
|
||||
@ -339,6 +343,8 @@ bool imagemap_addtolist(xmlNode *n, char *base_url, struct mapentry **entry)
|
||||
if (strcasecmp(shape, "default") != 0) {
|
||||
/* no coords -> ignore */
|
||||
if ((coords = (char*)xmlGetProp(n, (const xmlChar*)"coords")) == NULL) {
|
||||
if (target)
|
||||
xmlFree(target);
|
||||
xmlFree(href);
|
||||
xmlFree(shape);
|
||||
return true;
|
||||
@ -347,6 +353,12 @@ bool imagemap_addtolist(xmlNode *n, char *base_url, struct mapentry **entry)
|
||||
|
||||
new_map = calloc(1, sizeof(*new_map));
|
||||
if (!new_map) {
|
||||
if (target)
|
||||
xmlFree(target);
|
||||
xmlFree(href);
|
||||
xmlFree(shape);
|
||||
if (coords)
|
||||
xmlFree(coords);
|
||||
return false;
|
||||
}
|
||||
|
||||
@ -367,29 +379,55 @@ bool imagemap_addtolist(xmlNode *n, char *base_url, struct mapentry **entry)
|
||||
}
|
||||
else { /* unknown shape -> bail */
|
||||
free(new_map);
|
||||
if (target)
|
||||
xmlFree(target);
|
||||
xmlFree(href);
|
||||
xmlFree(shape);
|
||||
xmlFree(coords);
|
||||
if (coords)
|
||||
xmlFree(coords);
|
||||
return true;
|
||||
}
|
||||
|
||||
if (!box_extract_link(href, base_url, &new_map->url)) {
|
||||
free(new_map);
|
||||
if (target)
|
||||
xmlFree(target);
|
||||
xmlFree(href);
|
||||
xmlFree(shape);
|
||||
xmlFree(coords);
|
||||
if (coords)
|
||||
xmlFree(coords);
|
||||
return false;
|
||||
}
|
||||
|
||||
if (!new_map->url) {
|
||||
/* non-fatal error -> ignore this entry */
|
||||
free(new_map);
|
||||
if (target)
|
||||
xmlFree(target);
|
||||
xmlFree(href);
|
||||
xmlFree(shape);
|
||||
xmlFree(coords);
|
||||
if (coords)
|
||||
xmlFree(coords);
|
||||
return true;
|
||||
}
|
||||
|
||||
if (target) {
|
||||
new_map->target = strdup(target);
|
||||
if (!new_map->target) {
|
||||
free(new_map->url);
|
||||
free(new_map);
|
||||
xmlFree(target);
|
||||
xmlFree(href);
|
||||
xmlFree(shape);
|
||||
if (coords)
|
||||
xmlFree(coords);
|
||||
return false;
|
||||
}
|
||||
|
||||
/* no longer needed */
|
||||
xmlFree(target);
|
||||
}
|
||||
|
||||
if (new_map->type != IMAGEMAP_DEFAULT) {
|
||||
/* coordinates are a comma-separated list of values */
|
||||
val = strtok(coords, ",");
|
||||
@ -439,17 +477,20 @@ bool imagemap_addtolist(xmlNode *n, char *base_url, struct mapentry **entry)
|
||||
new_map->bounds.poly.xcoords =
|
||||
calloc(0, sizeof(*new_map->bounds.poly.xcoords));
|
||||
if (!new_map->bounds.poly.xcoords) {
|
||||
free(new_map->target);
|
||||
free(new_map->url);
|
||||
free(new_map);
|
||||
xmlFree(href);
|
||||
xmlFree(shape);
|
||||
xmlFree(coords);
|
||||
if (coords)
|
||||
xmlFree(coords);
|
||||
return false;
|
||||
}
|
||||
new_map->bounds.poly.ycoords =
|
||||
calloc(0, sizeof(*new_map->bounds.poly.ycoords));
|
||||
if (!new_map->bounds.poly.ycoords) {
|
||||
free(new_map->bounds.poly.xcoords);
|
||||
free(new_map->target);
|
||||
free(new_map->url);
|
||||
free(new_map);
|
||||
xmlFree(href);
|
||||
@ -471,6 +512,7 @@ bool imagemap_addtolist(xmlNode *n, char *base_url, struct mapentry **entry)
|
||||
if (!xcoords) {
|
||||
free(new_map->bounds.poly.ycoords);
|
||||
free(new_map->bounds.poly.xcoords);
|
||||
free(new_map->target);
|
||||
free(new_map->url);
|
||||
free(new_map);
|
||||
xmlFree(href);
|
||||
@ -483,6 +525,7 @@ bool imagemap_addtolist(xmlNode *n, char *base_url, struct mapentry **entry)
|
||||
if (!ycoords) {
|
||||
free(new_map->bounds.poly.ycoords);
|
||||
free(new_map->bounds.poly.xcoords);
|
||||
free(new_map->target);
|
||||
free(new_map->url);
|
||||
free(new_map);
|
||||
xmlFree(href);
|
||||
@ -522,7 +565,8 @@ bool imagemap_addtolist(xmlNode *n, char *base_url, struct mapentry **entry)
|
||||
|
||||
xmlFree(href);
|
||||
xmlFree(shape);
|
||||
xmlFree(coords);
|
||||
if (coords)
|
||||
xmlFree(coords);
|
||||
|
||||
return true;
|
||||
}
|
||||
@ -530,7 +574,7 @@ bool imagemap_addtolist(xmlNode *n, char *base_url, struct mapentry **entry)
|
||||
/**
|
||||
* Free list of imagemap entries
|
||||
*
|
||||
* @param list Pointer to head of list
|
||||
* \param list Pointer to head of list
|
||||
*/
|
||||
void imagemap_freelist(struct mapentry *list)
|
||||
{
|
||||
@ -543,6 +587,8 @@ void imagemap_freelist(struct mapentry *list)
|
||||
while (entry != 0) {
|
||||
prev = entry;
|
||||
free(entry->url);
|
||||
if (entry->target)
|
||||
free(entry->target);
|
||||
if (entry->type == IMAGEMAP_POLY) {
|
||||
free(entry->bounds.poly.xcoords);
|
||||
free(entry->bounds.poly.ycoords);
|
||||
@ -555,17 +601,19 @@ void imagemap_freelist(struct mapentry *list)
|
||||
/**
|
||||
* Retrieve url associated with imagemap entry
|
||||
*
|
||||
* @param c The containing content
|
||||
* @param key The map name to search for
|
||||
* @param x The left edge of the containing box
|
||||
* @param y The top edge of the containing box
|
||||
* @param click_x The horizontal location of the click
|
||||
* @param click_y The vertical location of the click
|
||||
* @return The url associated with this area, or NULL if not found
|
||||
* \param c The containing content
|
||||
* \param key The map name to search for
|
||||
* \param x The left edge of the containing box
|
||||
* \param y The top edge of the containing box
|
||||
* \param click_x The horizontal location of the click
|
||||
* \param click_y The vertical location of the click
|
||||
* \param target Pointer to location to receive target pointer (if any)
|
||||
* \return The url associated with this area, or NULL if not found
|
||||
*/
|
||||
char *imagemap_get(struct content *c, const char *key, unsigned long x,
|
||||
unsigned long y, unsigned long click_x,
|
||||
unsigned long click_y)
|
||||
const char *imagemap_get(struct content *c, const char *key,
|
||||
unsigned long x, unsigned long y,
|
||||
unsigned long click_x, unsigned long click_y,
|
||||
const char **target)
|
||||
{
|
||||
unsigned int slot = 0;
|
||||
struct imagemap *map;
|
||||
@ -590,6 +638,8 @@ char *imagemap_get(struct content *c, const char *key, unsigned long x,
|
||||
switch (entry->type) {
|
||||
case IMAGEMAP_DEFAULT:
|
||||
/* just return the URL. no checks required */
|
||||
if (target)
|
||||
*target = entry->target;
|
||||
return entry->url;
|
||||
break;
|
||||
case IMAGEMAP_RECT:
|
||||
@ -597,6 +647,8 @@ char *imagemap_get(struct content *c, const char *key, unsigned long x,
|
||||
click_x <= x + entry->bounds.rect.x1 &&
|
||||
click_y >= y + entry->bounds.rect.y0 &&
|
||||
click_y <= y + entry->bounds.rect.y1) {
|
||||
if (target)
|
||||
*target = entry->target;
|
||||
return entry->url;
|
||||
}
|
||||
break;
|
||||
@ -606,6 +658,8 @@ char *imagemap_get(struct content *c, const char *key, unsigned long x,
|
||||
if ((cx * cx + cy * cy) <=
|
||||
(unsigned long)(entry->bounds.circle.r *
|
||||
entry->bounds.circle.r)) {
|
||||
if (target)
|
||||
*target = entry->target;
|
||||
return entry->url;
|
||||
}
|
||||
break;
|
||||
@ -614,20 +668,25 @@ char *imagemap_get(struct content *c, const char *key, unsigned long x,
|
||||
entry->bounds.poly.xcoords,
|
||||
entry->bounds.poly.ycoords, x, y,
|
||||
click_x, click_y)) {
|
||||
if (target)
|
||||
*target = entry->target;
|
||||
return entry->url;
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (target)
|
||||
*target = NULL;
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/**
|
||||
* Hash function
|
||||
*
|
||||
* @param key The key to hash
|
||||
* @return The hashed value
|
||||
* \param key The key to hash
|
||||
* \return The hashed value
|
||||
*/
|
||||
unsigned int imagemap_hash(const char *key)
|
||||
{
|
||||
@ -646,14 +705,14 @@ unsigned int imagemap_hash(const char *key)
|
||||
* Test if a point lies within an arbitrary polygon
|
||||
* Modified from comp.graphics.algorithms FAQ 2.03
|
||||
*
|
||||
* @param num Number of vertices
|
||||
* @param xpt Array of x coordinates
|
||||
* @param ypt Array of y coordinates
|
||||
* @param x Left hand edge of containing box
|
||||
* @param y Top edge of containing box
|
||||
* @param click_x X coordinate of click
|
||||
* @param click_y Y coordinate of click
|
||||
* @return 1 if point is in polygon, 0 if outside. 0 or 1 if on boundary
|
||||
* \param num Number of vertices
|
||||
* \param xpt Array of x coordinates
|
||||
* \param ypt Array of y coordinates
|
||||
* \param x Left hand edge of containing box
|
||||
* \param y Top edge of containing box
|
||||
* \param click_x X coordinate of click
|
||||
* \param click_y Y coordinate of click
|
||||
* \return 1 if point is in polygon, 0 if outside. 0 or 1 if on boundary
|
||||
*/
|
||||
int imagemap_point_in_poly(int num, float *xpt, float *ypt, unsigned long x,
|
||||
unsigned long y, unsigned long click_x,
|
||||
|
||||
@ -15,7 +15,9 @@ struct content;
|
||||
void imagemap_destroy(struct content *c);
|
||||
void imagemap_dump(struct content *c);
|
||||
bool imagemap_extract(xmlNode *node, struct content *c);
|
||||
char *imagemap_get(struct content *c, const char *key, unsigned long x,
|
||||
unsigned long y, unsigned long click_x, unsigned long click_y);
|
||||
const char *imagemap_get(struct content *c, const char *key,
|
||||
unsigned long x, unsigned long y,
|
||||
unsigned long click_x, unsigned long click_y,
|
||||
const char **target);
|
||||
|
||||
#endif
|
||||
|
||||
Loading…
Reference in New Issue
Block a user