3 * Copyright 2001 the LyX Team
4 * Read the file COPYING
6 * \author John Levon <moz@compsoc.man.ac.uk>
13 extern "C" void C_DropDownCompletedCB(FL_OBJECT * ob, long)
15 DropDown * d = static_cast<DropDown*>(ob->form->u_vdata);
20 extern "C" int C_DropDownPeekEventCB(FL_FORM * form, void *xev)
22 DropDown * d = static_cast<DropDown*>(form->u_vdata);
23 return d->peek(static_cast<XEvent*>(xev));
27 DropDown::DropDown(LyXView * lv, FL_OBJECT * ob)
30 form_ = fl_bgn_form(FL_NO_BOX, ob->w, 100);
31 fl_add_box(FL_UP_BOX, 0, 0, ob->w, 100, "");
32 browser_ = fl_add_browser(FL_SELECT_BROWSER, 0, 0, ob->w, 100, "");
33 form_->u_vdata = this;
34 fl_set_browser_dblclick_callback(browser_, C_DropDownCompletedCB, 0);
35 fl_register_raw_callback(form_, KeyPressMask|ButtonPressMask, C_DropDownPeekEventCB);
48 void DropDown::select(std::vector<string> const & choices, int x, int y, int w)
50 fl_set_form_geometry(form_, x, y, w, 100);
51 fl_clear_browser(browser_);
52 for (std::vector<string>::const_iterator cit = choices.begin();
53 cit != choices.end(); ++cit) {
54 fl_add_browser_line(browser_, cit->c_str());
56 fl_show_form(form_, FL_PLACE_POSITION, FL_NOBORDER, "");
57 XGrabPointer(fl_get_display(), form_->window, false,
58 ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
59 GrabModeAsync, GrabModeAsync, 0, 0, 0);
60 XFlush(fl_get_display());
64 void DropDown::line_up()
66 if (fl_get_browser(browser_) > 1)
67 fl_select_browser_line(browser_, fl_get_browser(browser_) - 1);
68 if (fl_get_browser(browser_) >= fl_get_browser_topline(browser_) +
69 fl_get_browser_screenlines(browser_))
70 fl_set_browser_topline(browser_, fl_get_browser(browser_)
71 - fl_get_browser_screenlines(browser_) + 1);
72 if (fl_get_browser(browser_) < fl_get_browser_topline(browser_))
73 fl_set_browser_topline(browser_, fl_get_browser(browser_));
77 void DropDown::line_down()
79 if (fl_get_browser(browser_) < fl_get_browser_maxline(browser_))
80 fl_select_browser_line(browser_, fl_get_browser(browser_) + 1);
81 if (fl_get_browser(browser_) >= fl_get_browser_topline(browser_) +
82 fl_get_browser_screenlines(browser_))
83 fl_set_browser_topline(browser_, fl_get_browser(browser_)
84 - fl_get_browser_screenlines(browser_) + 1);
85 if (fl_get_browser(browser_) < fl_get_browser_topline(browser_))
86 fl_set_browser_topline(browser_, fl_get_browser(browser_));
90 int DropDown::peek(XEvent * xev)
95 fl_get_mouse(&x, &y, &keymask);
97 if (xev->type == ButtonPress) {
98 if (!(x >= form_->x && x <= (form_->x + form_->w) &&
99 y >= form_->y && y << (form_->y + form_->h))) {
103 XUngrabPointer(fl_get_display(), CurrentTime);
104 } else if (xev->type == KeyPress) {
105 char s_r[10]; s_r[9] = '\0';
106 KeySym keysym_return;
107 XLookupString(&xev->xkey, s_r, 10, &keysym_return, 0);
108 switch (keysym_return) {
119 fl_select_browser_line(browser_, 0);
123 // FIXME: if someone has a got a way to
124 // convince the event to fall back to the
125 // minibuffer, I'm glad to hear it.
126 // fl_XPutBackEvent() doesn't work.
127 fl_select_browser_line(browser_, 0);
136 void DropDown::completed()
138 XUngrabPointer(fl_get_display(), CurrentTime);
140 int i = fl_get_browser(browser_);
144 selection = fl_get_browser_line(browser_, i);
147 result.emit(selection);