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Added support for form with multiple submit buttons.

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Forms with multiple submit buttons are rather rare but nevertheless the most popular web page (www.google.com) contains one with the two submit buttons "Google Search" and "I'm Feeling Lucky". So we want to support that - incl. the usual feature to the interpret first button as default button used when the user presses the ENTER key.
This commit is contained in:
Oliver Schmidt 2015-06-07 00:29:29 +02:00
parent e8b4befd1e
commit 47bf797864
1 changed files with 24 additions and 12 deletions
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36
apps/webbrowser/www.c
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@ -196,7 +196,7 @@ PROCESS(www_process, "Web browser");
AUTOSTART_PROCESSES(&www_process);
static void CC_FASTCALL formsubmit(struct formattrib *form);
static void CC_FASTCALL formsubmit(struct inputattrib *trigger);
/*-----------------------------------------------------------------------------------*/
/* make_window()
@ -564,9 +564,8 @@ PROCESS_THREAD(www_process, ev, data)
#if WWW_CONF_FORMS
} else {
/* Assume form widget. */
struct inputattrib *input = (struct inputattrib *)
(((char *)w) - offsetof(struct inputattrib, widget));
formsubmit(input->formptr);
formsubmit((struct inputattrib *)
(((char *)w) - offsetof(struct inputattrib, widget)));
#endif /* WWW_CONF_FORMS */
}
} else if(ev == ctk_signal_hyperlink_activate) {
@ -964,23 +963,36 @@ add_query(char delimiter, char *string)
}
/*-----------------------------------------------------------------------------------*/
static void CC_FASTCALL
formsubmit(struct formattrib *form)
formsubmit(struct inputattrib *trigger)
{
struct inputattrib *inputptr;
struct inputattrib *input;
struct formattrib *form = trigger->formptr;
char delimiter = ISO_questionmark;
set_link(form->action);
for(inputptr = form->nextptr; inputptr != NULL; inputptr = inputptr->nextptr) {
/* No button pressed so prepare to look for default button. */
if(trigger->widget.type == CTK_WIDGET_TEXTENTRY) {
trigger = NULL;
}
for(input = form->nextptr; input != NULL; input = input->nextptr) {
char *name;
char *value;
if(inputptr->widget.type == CTK_WIDGET_BUTTON) {
name = ((struct submitattrib *)inputptr)->name;
value = ((struct submitattrib *)inputptr)->button.text;
if(input->widget.type == CTK_WIDGET_TEXTENTRY) {
name = ((struct textattrib *)input)->name;
value = ((struct textattrib *)input)->textentry.text;
} else {
name = ((struct textattrib *)inputptr)->name;
value = ((struct textattrib *)inputptr)->textentry.text;
/* Consider first button as default button. */
if(trigger == NULL) {
trigger = input;
}
if(input != trigger) {
continue;
}
name = ((struct submitattrib *)input)->name;
value = ((struct submitattrib *)input)->button.text;
}
add_query(delimiter, name);