3 * Copyright 2001 the LyX Team
4 * Read the file COPYING
6 * \author John Levon, moz@compsoc.man.ac.uk
12 #pragma implementation
16 #include "xforms_helpers.h"
27 extern "C" void C_CompletedCB(FL_OBJECT * ob, long)
29 DropDown * d = static_cast<DropDown*>(ob->u_vdata);
34 extern "C" int C_PeekCB(FL_FORM * form, void *xev)
36 DropDown * d = static_cast<DropDown*>(form->u_vdata);
37 return d->peek(static_cast<XEvent*>(xev));
43 DropDown::DropDown(LyXView * lv, FL_OBJECT * ob)
46 form_ = fl_bgn_form(FL_NO_BOX, ob->w, 100);
47 fl_add_box(FL_UP_BOX, 0, 0, ob->w, 100, "");
48 browser_ = fl_add_browser(FL_SELECT_BROWSER, 0, 0, ob->w, 100, "");
49 form_->u_vdata = this;
50 browser_->u_vdata = this;
51 fl_set_object_callback(browser_, C_CompletedCB, 0);
52 fl_register_raw_callback(form_, KeyPressMask|ButtonPressMask, C_PeekCB);
65 void DropDown::select(vector<string> const & choices, int x, int y, int w)
70 fl_set_form_geometry(form_, x, y-100, w, 100);
71 fl_clear_browser(browser_);
73 vector<string>::const_iterator cit = choices.begin();
74 vector<string>::const_iterator end = choices.end();
75 for (; cit != end; ++cit) {
76 fl_add_browser_line(browser_, cit->c_str());
78 fl_select_browser_line(browser_, 1);
79 fl_show_form(form_, FL_PLACE_POSITION, FL_NOBORDER, "");
80 XGrabPointer(fl_get_display(), form_->window, false,
81 ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
82 GrabModeAsync, GrabModeAsync, 0, 0, 0);
83 XFlush(fl_get_display());
87 void DropDown::line_up()
89 if (fl_get_browser(browser_) > 1)
90 fl_select_browser_line(browser_, fl_get_browser(browser_) - 1);
91 if (fl_get_browser(browser_) >= fl_get_browser_topline(browser_) +
92 fl_get_browser_screenlines(browser_))
93 fl_set_browser_topline(browser_, fl_get_browser(browser_)
94 - fl_get_browser_screenlines(browser_) + 1);
95 if (fl_get_browser(browser_) < fl_get_browser_topline(browser_))
96 fl_set_browser_topline(browser_, fl_get_browser(browser_));
100 void DropDown::line_down()
102 if (fl_get_browser(browser_) < fl_get_browser_maxline(browser_))
103 fl_select_browser_line(browser_, fl_get_browser(browser_) + 1);
104 if (fl_get_browser(browser_) >= fl_get_browser_topline(browser_) +
105 fl_get_browser_screenlines(browser_))
106 fl_set_browser_topline(browser_, fl_get_browser(browser_)
107 - fl_get_browser_screenlines(browser_) + 1);
108 if (fl_get_browser(browser_) < fl_get_browser_topline(browser_))
109 fl_set_browser_topline(browser_, fl_get_browser(browser_));
113 int DropDown::peek(XEvent * xev)
116 unsigned int keymask;
118 fl_get_mouse(&x, &y, &keymask);
120 if (xev->type == ButtonPress) {
121 if (!(x >= form_->x && x <= (form_->x + form_->w) &&
122 y >= form_->y && y << (form_->y + form_->h))) {
126 XUngrabPointer(fl_get_display(), CurrentTime);
127 } else if (xev->type == KeyPress) {
128 char s_r[10]; s_r[9] = '\0';
129 KeySym keysym_return;
130 XLookupString(&xev->xkey, s_r, 10, &keysym_return, 0);
131 switch (keysym_return) {
142 fl_deselect_browser(browser_);
146 // FIXME: if someone has a got a way to
147 // convince the event to fall back to the
148 // minibuffer, I'm glad to hear it.
149 // fl_XPutBackEvent() doesn't work.
151 // This is a bit less elegant perhaps, but works
152 // well enough. Angus 11 Jan 2002
153 if (s_r[0] && isprint(s_r[0])) {
163 void DropDown::completed()
165 XUngrabPointer(fl_get_display(), CurrentTime);
167 result.emit(getSelectedStringFromBrowser(browser_));
171 void DropDown::key_pressed(char c)
173 XUngrabPointer(fl_get_display(), CurrentTime);