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Implement selection modification. Clicks and drags with button 2 alter the nearest end of the selection. Button 2 when there is no selection selects from caret pos to click pos.

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This commit is contained in:
Michael Drake 2013-02-12 18:20:06 +00:00
parent a846e9811e
commit 2c64e89641
1 changed files with 21 additions and 2 deletions
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23
desktop/textarea.c
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@ -2274,7 +2274,25 @@ bool textarea_mouse_action(struct textarea *ta, browser_mouse_state mouse,
ta->callback(ta->data, &msg);
}
} else if (mouse & BROWSER_MOUSE_DRAG_1) {
} else if (mouse & BROWSER_MOUSE_PRESS_2) {
c_start = textarea_get_caret(ta);
textarea_get_xy_offset(ta, x, y, &c_off);
if (ta->sel_start != -1) {
/* Adjust selection */
c_start = (ta->sel_end - ta->sel_start) / 2 +
ta->sel_start;
c_start = ((unsigned)c_start > c_off) ?
ta->sel_end : ta->sel_start;
ta->drag_start_char = c_start;
return textarea_select(ta, c_start, c_off, false);
} else {
/* Select to caret */
ta->drag_start_char = c_start;
return textarea_select(ta, c_start, c_off, false);
}
} else if (mouse & (BROWSER_MOUSE_DRAG_1 | BROWSER_MOUSE_DRAG_2)) {
/* Selection start */
textarea_get_xy_offset(ta, x, y, &c_off);
c_start = ta->drag_start_char;
@ -2289,7 +2307,8 @@ bool textarea_mouse_action(struct textarea *ta, browser_mouse_state mouse,
return textarea_select(ta, c_start, c_end, false);
} else if (mouse & BROWSER_MOUSE_HOLDING_1 &&
} else if (mouse &
(BROWSER_MOUSE_HOLDING_1 | BROWSER_MOUSE_HOLDING_2) &&
ta->drag_info.type == TEXTAREA_DRAG_SELECTION) {
/* Selection track */
int scrx = 0;