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"
19 extern "C" void C_CompletedCB(FL_OBJECT * ob, long)
21 DropDown * d = static_cast<DropDown*>(ob->u_vdata);
26 extern "C" int C_PeekCB(FL_FORM * form, void *xev)
28 DropDown * d = static_cast<DropDown*>(form->u_vdata);
29 return d->peek(static_cast<XEvent*>(xev));
35 DropDown::DropDown(LyXView * lv, FL_OBJECT * ob)
38 form_ = fl_bgn_form(FL_NO_BOX, ob->w, 100);
39 fl_add_box(FL_UP_BOX, 0, 0, ob->w, 100, "");
40 browser_ = fl_add_browser(FL_SELECT_BROWSER, 0, 0, ob->w, 100, "");
41 form_->u_vdata = this;
42 browser_->u_vdata = this;
43 fl_set_object_callback(browser_, C_CompletedCB, 0);
44 fl_register_raw_callback(form_, KeyPressMask|ButtonPressMask, C_PeekCB);
57 void DropDown::select(std::vector<string> const & choices, int x, int y, int w)
62 fl_set_form_geometry(form_, x, y-100, w, 100);
63 fl_clear_browser(browser_);
64 for (std::vector<string>::const_iterator cit = choices.begin();
65 cit != choices.end(); ++cit) {
66 fl_add_browser_line(browser_, cit->c_str());
68 fl_select_browser_line(browser_, 1);
69 fl_show_form(form_, FL_PLACE_POSITION, FL_NOBORDER, "");
70 XGrabPointer(fl_get_display(), form_->window, false,
71 ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
72 GrabModeAsync, GrabModeAsync, 0, 0, 0);
73 XFlush(fl_get_display());
77 void DropDown::line_up()
79 if (fl_get_browser(browser_) > 1)
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 void DropDown::line_down()
92 if (fl_get_browser(browser_) < fl_get_browser_maxline(browser_))
93 fl_select_browser_line(browser_, fl_get_browser(browser_) + 1);
94 if (fl_get_browser(browser_) >= fl_get_browser_topline(browser_) +
95 fl_get_browser_screenlines(browser_))
96 fl_set_browser_topline(browser_, fl_get_browser(browser_)
97 - fl_get_browser_screenlines(browser_) + 1);
98 if (fl_get_browser(browser_) < fl_get_browser_topline(browser_))
99 fl_set_browser_topline(browser_, fl_get_browser(browser_));
103 int DropDown::peek(XEvent * xev)
106 unsigned int keymask;
108 fl_get_mouse(&x, &y, &keymask);
110 if (xev->type == ButtonPress) {
111 if (!(x >= form_->x && x <= (form_->x + form_->w) &&
112 y >= form_->y && y << (form_->y + form_->h))) {
116 XUngrabPointer(fl_get_display(), CurrentTime);
117 } else if (xev->type == KeyPress) {
118 char s_r[10]; s_r[9] = '\0';
119 KeySym keysym_return;
120 XLookupString(&xev->xkey, s_r, 10, &keysym_return, 0);
121 switch (keysym_return) {
132 fl_deselect_browser(browser_);
136 // FIXME: if someone has a got a way to
137 // convince the event to fall back to the
138 // minibuffer, I'm glad to hear it.
139 // fl_XPutBackEvent() doesn't work.
141 // This is a bit less elegant perhaps, but works
142 // well enough. Angus 11 Jan 2002
143 if (s_r[0] && isprint(s_r[0])) {
153 void DropDown::completed()
155 XUngrabPointer(fl_get_display(), CurrentTime);
157 result.emit(getSelectedStringFromBrowser(browser_));
161 void DropDown::key_pressed(char c)
163 XUngrabPointer(fl_get_display(), CurrentTime);