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"
22 #ifndef CXX_GLOBAL_CSTD
31 extern "C" void C_CompletedCB(FL_OBJECT * ob, long)
33 DropDown * d = static_cast<DropDown*>(ob->u_vdata);
38 extern "C" int C_PeekCB(FL_FORM * form, void *xev)
40 DropDown * d = static_cast<DropDown*>(form->u_vdata);
41 return d->peek(static_cast<XEvent*>(xev));
47 DropDown::DropDown(LyXView * lv, FL_OBJECT * ob)
50 form_ = fl_bgn_form(FL_NO_BOX, ob->w, 100);
51 fl_add_box(FL_UP_BOX, 0, 0, ob->w, 100, "");
52 browser_ = fl_add_browser(FL_SELECT_BROWSER, 0, 0, ob->w, 100, "");
53 form_->u_vdata = this;
54 browser_->u_vdata = this;
55 fl_set_object_callback(browser_, C_CompletedCB, 0);
56 fl_register_raw_callback(form_, KeyPressMask|ButtonPressMask, C_PeekCB);
69 void DropDown::select(vector<string> const & choices, int x, int y, int w)
74 fl_set_form_geometry(form_, x, y-100, w, 100);
75 fl_clear_browser(browser_);
77 vector<string>::const_iterator cit = choices.begin();
78 vector<string>::const_iterator end = choices.end();
79 for (; cit != end; ++cit) {
80 fl_add_browser_line(browser_, cit->c_str());
82 fl_select_browser_line(browser_, 1);
83 fl_show_form(form_, FL_PLACE_POSITION, FL_NOBORDER, "");
84 XGrabPointer(fl_get_display(), form_->window, false,
85 ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
86 GrabModeAsync, GrabModeAsync, 0, 0, 0);
87 XFlush(fl_get_display());
91 void DropDown::line_up()
93 if (fl_get_browser(browser_) > 1)
94 fl_select_browser_line(browser_, fl_get_browser(browser_) - 1);
95 if (fl_get_browser(browser_) >= fl_get_browser_topline(browser_) +
96 fl_get_browser_screenlines(browser_))
97 fl_set_browser_topline(browser_, fl_get_browser(browser_)
98 - fl_get_browser_screenlines(browser_) + 1);
99 if (fl_get_browser(browser_) < fl_get_browser_topline(browser_))
100 fl_set_browser_topline(browser_, fl_get_browser(browser_));
104 void DropDown::line_down()
106 if (fl_get_browser(browser_) < fl_get_browser_maxline(browser_))
107 fl_select_browser_line(browser_, fl_get_browser(browser_) + 1);
108 if (fl_get_browser(browser_) >= fl_get_browser_topline(browser_) +
109 fl_get_browser_screenlines(browser_))
110 fl_set_browser_topline(browser_, fl_get_browser(browser_)
111 - fl_get_browser_screenlines(browser_) + 1);
112 if (fl_get_browser(browser_) < fl_get_browser_topline(browser_))
113 fl_set_browser_topline(browser_, fl_get_browser(browser_));
117 int DropDown::peek(XEvent * xev)
120 unsigned int keymask;
122 fl_get_mouse(&x, &y, &keymask);
124 if (xev->type == ButtonPress) {
125 if (!(x >= form_->x && x <= (form_->x + form_->w) &&
126 y >= form_->y && y << (form_->y + form_->h))) {
130 XUngrabPointer(fl_get_display(), CurrentTime);
131 } else if (xev->type == KeyPress) {
132 char s_r[10]; s_r[9] = '\0';
133 KeySym keysym_return;
134 XLookupString(&xev->xkey, s_r, 10, &keysym_return, 0);
135 switch (keysym_return) {
146 fl_deselect_browser(browser_);
150 // FIXME: if someone has a got a way to
151 // convince the event to fall back to the
152 // minibuffer, I'm glad to hear it.
153 // fl_XPutBackEvent() doesn't work.
155 // This is a bit less elegant perhaps, but works
156 // well enough. Angus 11 Jan 2002
157 if (s_r[0] && isprint(s_r[0])) {
167 void DropDown::completed()
169 XUngrabPointer(fl_get_display(), CurrentTime);
171 result(getSelectedStringFromBrowser(browser_));
175 void DropDown::key_pressed(char c)
177 XUngrabPointer(fl_get_display(), CurrentTime);