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author | Michael Drake <tlsa@netsurf-browser.org> | 2013-02-08 16:05:44 +0000 |
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committer | Michael Drake <tlsa@netsurf-browser.org> | 2013-02-08 16:05:44 +0000 |
commit | 59d24187f757463b1fef6c8c9ba4ebbc1952f74d (patch) | |
tree | 71f402267ac7a4e4a148a7008956a26ee95db91d /desktop | |
parent | 0a4e1a05e3a916fb13948e3801571131ffd10766 (diff) | |
download | netsurf-59d24187f757463b1fef6c8c9ba4ebbc1952f74d.tar.gz netsurf-59d24187f757463b1fef6c8c9ba4ebbc1952f74d.tar.bz2 |
Support dropping text file on textarea widget.
Diffstat (limited to 'desktop')
-rw-r--r-- | desktop/textarea.c | 46 | ||||
-rw-r--r-- | desktop/textarea.h | 10 |
2 files changed, 56 insertions, 0 deletions
diff --git a/desktop/textarea.c b/desktop/textarea.c index 25630e464..7324b821b 100644 --- a/desktop/textarea.c +++ b/desktop/textarea.c @@ -1111,6 +1111,52 @@ 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) { if (buf == NULL && len == 0) { diff --git a/desktop/textarea.h b/desktop/textarea.h index 560f1ca28..566e0cf6c 100644 --- a/desktop/textarea.h +++ b/desktop/textarea.h @@ -124,6 +124,16 @@ 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 * * \param ta Text area |