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Support dropping text file on textarea widget.

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This commit is contained in:
Michael Drake 2013-02-08 16:05:44 +00:00
parent 0a4e1a05e3
commit 59d24187f7
3 changed files with 63 additions and 7 deletions
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46
desktop/textarea.c
View File

@ -1110,6 +1110,52 @@ bool textarea_set_text(struct textarea *ta, const char *text)
}
/* exported interface, documented in textarea.h */
bool textarea_drop_text(struct textarea *ta, const char *text,
size_t text_length)
{
struct textarea_msg msg;
unsigned int caret_pos;
size_t text_chars;
if (ta->flags & TEXTAREA_READONLY)
return false;
if (text == NULL)
return false;
text_chars = utf8_bounded_length(text, text_length);
caret_pos = textarea_get_caret(ta);
if (ta->sel_start != -1) {
if (!textarea_replace_text(ta, ta->sel_start, ta->sel_end,
text, text_length, false))
return false;
caret_pos = ta->sel_start + text_chars;
ta->sel_start = ta->sel_end = -1;
} else {
if (!textarea_replace_text(ta, caret_pos, caret_pos,
text, text_length, false))
return false;
caret_pos += text_chars;
}
textarea_set_caret(ta, caret_pos);
msg.ta = ta;
msg.type = TEXTAREA_MSG_REDRAW_REQUEST;
msg.data.redraw.x0 = 0;
msg.data.redraw.y0 = 0;
msg.data.redraw.x1 = ta->vis_width;
msg.data.redraw.y1 = ta->vis_height;
ta->callback(ta->data, &msg);
return true;
}
/* exported interface, documented in textarea.h */
int textarea_get_text(struct textarea *ta, char *buf, unsigned int len)
{

10
desktop/textarea.h
View File

@ -123,6 +123,16 @@ void textarea_destroy(struct textarea *ta);
*/
bool textarea_set_text(struct textarea *ta, const char *text);
/**
* Insert the text in a text area at the caret, replacing any selection.
*
* \param ta Text area
* \param text UTF-8 text to set text area's contents to
* \return true on success, false on memory exhaustion or if ta lacks caret
*/
bool textarea_drop_text(struct textarea *ta, const char *text,
size_t text_length);
/**
* Extract the text from a text area
*

14
render/html.c
View File

@ -2796,7 +2796,7 @@ static bool html_drop_file_at_point(struct content *c, int x, int y, char *file)
/* Redraw box. */
html__redraw_a_box(html, file_box);
} else if (html->bw != NULL) {
} else {
/* File dropped on text input */
size_t file_len;
@ -2805,7 +2805,7 @@ static bool html_drop_file_at_point(struct content *c, int x, int y, char *file)
char *utf8_buff;
utf8_convert_ret ret;
unsigned int size;
struct browser_window *bw;
int bx, by;
/* Open file */
fp = fopen(file, "rb");
@ -2861,13 +2861,13 @@ static bool html_drop_file_at_point(struct content *c, int x, int y, char *file)
size = strlen(utf8_buff);
/* Simulate a click over the input box, to place caret */
browser_window_mouse_click(html->bw,
BROWSER_MOUSE_PRESS_1, x, y);
bw = browser_window_get_root(html->bw);
box_coords(text_box, &bx, &by);
textarea_mouse_action(text_box->gadget->data.text.ta,
BROWSER_MOUSE_PRESS_1, x - bx, y - by);
/* Paste the file as text */
browser_window_paste_text(bw, utf8_buff, size, true);
textarea_drop_text(text_box->gadget->data.text.ta,
utf8_buff, size);
free(utf8_buff);
}