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-rw-r--r--render/form.c231
1 files changed, 227 insertions, 4 deletions
diff --git a/render/form.c b/render/form.c
index 9584aa244..71a42da4c 100644
--- a/render/form.c
+++ b/render/form.c
@@ -1,8 +1,10 @@
/*
* Copyright 2004 James Bursa <bursa@users.sourceforge.net>
* Copyright 2003 Phil Mellor <monkeyson@users.sourceforge.net>
+ * Copyright 2004 John Tytgat <joty@netsurf-browser.org>
* Copyright 2005-9 John-Mark Bell <jmb@netsurf-browser.org>
* Copyright 2009 Paul Blokus <paul_pl@users.sourceforge.net>
+ * Copyright 2010 Michael Drake <tlsa@netsurf-browser.org>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
@@ -30,9 +32,12 @@
#include <stdio.h>
#include <string.h>
#include "content/fetch.h"
+#include "content/hlcache.h"
#include "css/css.h"
#include "css/utils.h"
+#include "desktop/browser.h"
#include "desktop/gui.h"
+#include "desktop/mouse.h"
#include "desktop/knockout.h"
#include "desktop/plot_style.h"
#include "desktop/plotters.h"
@@ -40,9 +45,11 @@
#include "render/box.h"
#include "render/font.h"
#include "render/form.h"
+#include "render/html.h"
#include "render/layout.h"
#include "utils/log.h"
#include "utils/messages.h"
+#include "utils/talloc.h"
#include "utils/url.h"
#include "utils/utf8.h"
#include "utils/utils.h"
@@ -1143,7 +1150,8 @@ void form_select_menu_clicked(struct form_control *control, int x, int y)
}
if (option != NULL)
- browser_window_form_select(menu->bw, control, i);
+ form_select_process_selection(menu->bw->current_content,
+ control, i);
menu->callback(menu->client_data, 0, 0, menu->width, menu->height);
}
@@ -1215,12 +1223,25 @@ void form_select_mouse_drag_end(struct form_control *control,
browser_mouse_state mouse, int x, int y)
{
int x0, y0, x1, y1;
+ int box_x, box_y;
+ struct box *box;
struct form_select_menu *menu = control->data.select.menu;
-
+
+ box = control->box;
+
+ /* Get global coords of scrollbar */
+ box_coords(box, &box_x, &box_y);
+ box_x -= box->border[LEFT].width;
+ box_y += box->height + box->border[BOTTOM].width +
+ box->padding[BOTTOM] + box->padding[TOP];
+
+ /* Get drag end coords relative to scrollbar */
+ x = x - box_x;
+ y = y - box_y;
+
if (menu->scroll_capture) {
x -= menu->width - SCROLLBAR_WIDTH;
- scroll_mouse_drag_end(menu->scroll,
- mouse, x, y);
+ scroll_mouse_drag_end(menu->scroll, mouse, x, y);
return;
}
@@ -1286,3 +1307,205 @@ void form_select_get_dimensions(struct form_control *control,
*width = control->data.select.menu->width;
*height = control->data.select.menu->height;
}
+
+
+/**
+ * Process a selection from a form select menu.
+ *
+ * \param bw browser window with menu
+ * \param control form control with menu
+ * \param item index of item selected from the menu
+ */
+
+void form_select_process_selection(hlcache_handle *h,
+ struct form_control *control, int item)
+{
+ struct box *inline_box;
+ struct form_option *o;
+ int count;
+ struct content *current_content;
+
+ assert(control != NULL);
+ assert(h != NULL);
+
+ /** \todo Even though the form code is effectively part of the html
+ * content handler, poking around inside contents is not good */
+ current_content = hlcache_handle_get_content(h);
+
+ inline_box = control->box->children->children;
+
+ for (count = 0, o = control->data.select.items;
+ o != NULL;
+ count++, o = o->next) {
+ if (!control->data.select.multiple)
+ o->selected = false;
+ if (count == item) {
+ if (control->data.select.multiple) {
+ if (o->selected) {
+ o->selected = false;
+ control->data.select.num_selected--;
+ } else {
+ o->selected = true;
+ control->data.select.num_selected++;
+ }
+ } else {
+ o->selected = true;
+ }
+ }
+ if (o->selected)
+ control->data.select.current = o;
+ }
+
+ talloc_free(inline_box->text);
+ inline_box->text = 0;
+ if (control->data.select.num_selected == 0)
+ inline_box->text = talloc_strdup(current_content,
+ messages_get("Form_None"));
+ else if (control->data.select.num_selected == 1)
+ inline_box->text = talloc_strdup(current_content,
+ control->data.select.current->text);
+ else
+ inline_box->text = talloc_strdup(current_content,
+ messages_get("Form_Many"));
+ if (!inline_box->text) {
+ warn_user("NoMemory", 0);
+ inline_box->length = 0;
+ } else
+ inline_box->length = strlen(inline_box->text);
+ inline_box->width = control->box->width;
+
+ html_redraw_a_box(h, control->box);
+}
+
+/**
+ * Callback for the core select menu.
+ */
+void form_select_menu_callback(void *client_data,
+ int x, int y, int width, int height)
+{
+ struct browser_window *bw = client_data;
+ int menu_x, menu_y;
+ struct box *box;
+
+ box = bw->visible_select_menu->box;
+ box_coords(box, &menu_x, &menu_y);
+
+ menu_x -= box->border[LEFT].width;
+ menu_y += box->height + box->border[BOTTOM].width +
+ box->padding[BOTTOM] +
+ box->padding[TOP];
+ browser_window_redraw_rect(bw, menu_x + x, menu_y + y,
+ width, height);
+}
+
+
+/**
+ * Set a radio form control and clear the others in the group.
+ *
+ * \param content content containing the form, of type CONTENT_TYPE
+ * \param radio form control of type GADGET_RADIO
+ */
+
+void form_radio_set(hlcache_handle *content,
+ struct form_control *radio)
+{
+ struct form_control *control;
+
+ assert(content);
+ assert(radio);
+ if (!radio->form)
+ return;
+
+ if (radio->selected)
+ return;
+
+ for (control = radio->form->controls; control;
+ control = control->next) {
+ if (control->type != GADGET_RADIO)
+ continue;
+ if (control == radio)
+ continue;
+ if (strcmp(control->name, radio->name) != 0)
+ continue;
+
+ if (control->selected) {
+ control->selected = false;
+ html_redraw_a_box(content, control->box);
+ }
+ }
+
+ radio->selected = true;
+ html_redraw_a_box(content, radio->box);
+}
+
+
+/**
+ * Collect controls and submit a form.
+ */
+
+void form_submit(hlcache_handle *h, struct browser_window *target,
+ struct form *form, struct form_control *submit_button)
+{
+ char *data = 0, *url = 0;
+ struct fetch_multipart_data *success;
+
+ assert(form);
+ assert(content_get_type(h) == CONTENT_HTML);
+
+ if (!form_successful_controls(form, submit_button, &success)) {
+ warn_user("NoMemory", 0);
+ return;
+ }
+
+ switch (form->method) {
+ case method_GET:
+ data = form_url_encode(form, success);
+ if (!data) {
+ fetch_multipart_data_destroy(success);
+ warn_user("NoMemory", 0);
+ return;
+ }
+ url = calloc(1, strlen(form->action) +
+ strlen(data) + 2);
+ if (!url) {
+ fetch_multipart_data_destroy(success);
+ free(data);
+ warn_user("NoMemory", 0);
+ return;
+ }
+ if (form->action[strlen(form->action)-1] == '?') {
+ sprintf(url, "%s%s", form->action, data);
+ }
+ else {
+ sprintf(url, "%s?%s", form->action, data);
+ }
+ browser_window_go(target, url, content_get_url(h),
+ true);
+ break;
+
+ case method_POST_URLENC:
+ data = form_url_encode(form, success);
+ if (!data) {
+ fetch_multipart_data_destroy(success);
+ warn_user("NoMemory", 0);
+ return;
+ }
+ browser_window_go_post(target, form->action, data, 0,
+ true, content_get_url(h),
+ false, true, 0);
+ break;
+
+ case method_POST_MULTIPART:
+ browser_window_go_post(target, form->action, 0,
+ success, true, content_get_url(h),
+ false, true, 0);
+ break;
+
+ default:
+ assert(0);
+ }
+
+ fetch_multipart_data_destroy(success);
+ free(data);
+ free(url);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-24 17:59:07 +0000