3 * Copyright 2001 the LyX Team
4 * Read the file COPYING
6 * \author John Levon <moz@compsoc.man.ac.uk>
12 #include "xforms_helpers.h"
18 extern "C" void C_CompletedCB(FL_OBJECT * ob, long)
20 DropDown * d = static_cast<DropDown*>(ob->u_vdata);
25 extern "C" int C_PeekCB(FL_FORM * form, void *xev)
27 DropDown * d = static_cast<DropDown*>(form->u_vdata);
28 return d->peek(static_cast<XEvent*>(xev));
34 DropDown::DropDown(LyXView * lv, FL_OBJECT * ob)
37 form_ = fl_bgn_form(FL_NO_BOX, ob->w, 100);
38 fl_add_box(FL_UP_BOX, 0, 0, ob->w, 100, "");
39 browser_ = fl_add_browser(FL_SELECT_BROWSER, 0, 0, ob->w, 100, "");
40 form_->u_vdata = this;
41 browser_->u_vdata = this;
42 fl_set_object_callback(browser_, C_CompletedCB, 0);
43 fl_register_raw_callback(form_, KeyPressMask|ButtonPressMask, C_PeekCB);
56 void DropDown::select(std::vector<string> const & choices, int x, int y, int w)
61 fl_set_form_geometry(form_, x, y-100, w, 100);
62 fl_clear_browser(browser_);
63 for (std::vector<string>::const_iterator cit = choices.begin();
64 cit != choices.end(); ++cit) {
65 fl_add_browser_line(browser_, cit->c_str());
67 fl_select_browser_line(browser_, 1);
68 fl_show_form(form_, FL_PLACE_POSITION, FL_NOBORDER, "");
69 XGrabPointer(fl_get_display(), form_->window, false,
70 ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
71 GrabModeAsync, GrabModeAsync, 0, 0, 0);
72 XFlush(fl_get_display());
76 void DropDown::line_up()
78 if (fl_get_browser(browser_) > 1)
79 fl_select_browser_line(browser_, fl_get_browser(browser_) - 1);
80 if (fl_get_browser(browser_) >= fl_get_browser_topline(browser_) +
81 fl_get_browser_screenlines(browser_))
82 fl_set_browser_topline(browser_, fl_get_browser(browser_)
83 - fl_get_browser_screenlines(browser_) + 1);
84 if (fl_get_browser(browser_) < fl_get_browser_topline(browser_))
85 fl_set_browser_topline(browser_, fl_get_browser(browser_));
89 void DropDown::line_down()
91 if (fl_get_browser(browser_) < fl_get_browser_maxline(browser_))
92 fl_select_browser_line(browser_, fl_get_browser(browser_) + 1);
93 if (fl_get_browser(browser_) >= fl_get_browser_topline(browser_) +
94 fl_get_browser_screenlines(browser_))
95 fl_set_browser_topline(browser_, fl_get_browser(browser_)
96 - fl_get_browser_screenlines(browser_) + 1);
97 if (fl_get_browser(browser_) < fl_get_browser_topline(browser_))
98 fl_set_browser_topline(browser_, fl_get_browser(browser_));
102 int DropDown::peek(XEvent * xev)
105 unsigned int keymask;
107 fl_get_mouse(&x, &y, &keymask);
109 if (xev->type == ButtonPress) {
110 if (!(x >= form_->x && x <= (form_->x + form_->w) &&
111 y >= form_->y && y << (form_->y + form_->h))) {
115 XUngrabPointer(fl_get_display(), CurrentTime);
116 } else if (xev->type == KeyPress) {
117 char s_r[10]; s_r[9] = '\0';
118 KeySym keysym_return;
119 XLookupString(&xev->xkey, s_r, 10, &keysym_return, 0);
120 switch (keysym_return) {
131 fl_deselect_browser(browser_);
135 // FIXME: if someone has a got a way to
136 // convince the event to fall back to the
137 // minibuffer, I'm glad to hear it.
138 // fl_XPutBackEvent() doesn't work.
140 // This is a bit less elegant perhaps, but works
141 // well enough. Angus 11 Jan 2002
142 if (s_r[0] && isprint(s_r[0])) {
152 void DropDown::completed()
154 XUngrabPointer(fl_get_display(), CurrentTime);
156 result.emit(getSelectedStringFromBrowser(browser_));
160 void DropDown::key_pressed(char c)
162 XUngrabPointer(fl_get_display(), CurrentTime);