/**
* \file DropDown.C
- * Copyright 2001 the LyX Team
- * Read the file COPYING
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
*
- * \author John Levon <moz@compsoc.man.ac.uk>
+ * \author John Levon
+ *
+ * Full author contact details are available in file CREDITS
*/
+#include <config.h>
+
+#ifdef __GNUG__
+#pragma implementation
+#endif
+
#include "DropDown.h"
+#include "xforms_helpers.h"
+
+#include FORMS_H_LOCATION
#include <iostream>
-
-extern "C" void C_DropDownCompletedCB(FL_OBJECT * ob, long)
+#include <cctype>
+
+#ifndef CXX_GLOBAL_CSTD
+using std::isprint;
+#endif
+
+using std::vector;
+
+
+namespace {
+
+extern "C" void C_CompletedCB(FL_OBJECT * ob, long)
{
- DropDown * d = static_cast<DropDown*>(ob->form->u_vdata);
+ DropDown * d = static_cast<DropDown*>(ob->u_vdata);
d->completed();
}
-
-extern "C" int C_DropDownPeekEventCB(FL_FORM * form, void *xev)
+
+extern "C" int C_PeekCB(FL_FORM * form, void *xev)
{
DropDown * d = static_cast<DropDown*>(form->u_vdata);
return d->peek(static_cast<XEvent*>(xev));
}
-
-
-DropDown::DropDown(LyXView * lv, FL_OBJECT * ob)
- : lv_(lv)
+
+} // namespace anon
+
+
+DropDown::DropDown(FL_OBJECT * ob)
{
form_ = fl_bgn_form(FL_NO_BOX, ob->w, 100);
fl_add_box(FL_UP_BOX, 0, 0, ob->w, 100, "");
browser_ = fl_add_browser(FL_SELECT_BROWSER, 0, 0, ob->w, 100, "");
form_->u_vdata = this;
- fl_set_browser_dblclick_callback(browser_, C_DropDownCompletedCB, 0);
- fl_register_raw_callback(form_, KeyPressMask|ButtonPressMask, C_DropDownPeekEventCB);
+ browser_->u_vdata = this;
+ fl_set_object_callback(browser_, C_CompletedCB, 0);
+ fl_register_raw_callback(form_, KeyPressMask|ButtonPressMask, C_PeekCB);
fl_end_form();
}
-
+
DropDown::~DropDown()
{
- if (form_->visible)
+ if (form_->visible)
fl_hide_form(form_);
fl_free_form(form_);
}
-
-void DropDown::select(std::vector<string> const & choices, int x, int y, int w)
+
+void DropDown::select(vector<string> const & choices, int x, int y, int w)
{
- fl_set_form_geometry(form_, x, y, w, 100);
+ if (choices.empty())
+ return;
+
+ fl_set_form_geometry(form_, x, y - 100, w, 100);
fl_clear_browser(browser_);
- for (std::vector<string>::const_iterator cit = choices.begin();
- cit != choices.end(); ++cit) {
+
+ vector<string>::const_iterator cit = choices.begin();
+ vector<string>::const_iterator end = choices.end();
+ for (; cit != end; ++cit) {
fl_add_browser_line(browser_, cit->c_str());
}
+ fl_select_browser_line(browser_, 1);
fl_show_form(form_, FL_PLACE_POSITION, FL_NOBORDER, "");
XGrabPointer(fl_get_display(), form_->window, false,
ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
if (fl_get_browser(browser_) > 1)
fl_select_browser_line(browser_, fl_get_browser(browser_) - 1);
if (fl_get_browser(browser_) >= fl_get_browser_topline(browser_) +
- fl_get_browser_screenlines(browser_))
- fl_set_browser_topline(browser_, fl_get_browser(browser_)
- - fl_get_browser_screenlines(browser_) + 1);
+ fl_get_browser_screenlines(browser_))
+ fl_set_browser_topline(browser_, fl_get_browser(browser_)
+ - fl_get_browser_screenlines(browser_) + 1);
if (fl_get_browser(browser_) < fl_get_browser_topline(browser_))
fl_set_browser_topline(browser_, fl_get_browser(browser_));
}
if (fl_get_browser(browser_) < fl_get_browser_maxline(browser_))
fl_select_browser_line(browser_, fl_get_browser(browser_) + 1);
if (fl_get_browser(browser_) >= fl_get_browser_topline(browser_) +
- fl_get_browser_screenlines(browser_))
- fl_set_browser_topline(browser_, fl_get_browser(browser_)
- - fl_get_browser_screenlines(browser_) + 1);
+ fl_get_browser_screenlines(browser_))
+ fl_set_browser_topline(browser_, fl_get_browser(browser_)
+ - fl_get_browser_screenlines(browser_) + 1);
if (fl_get_browser(browser_) < fl_get_browser_topline(browser_))
fl_set_browser_topline(browser_, fl_get_browser(browser_));
}
-
+
int DropDown::peek(XEvent * xev)
{
unsigned int keymask;
fl_get_mouse(&x, &y, &keymask);
-
+
if (xev->type == ButtonPress) {
if (!(x >= form_->x && x <= (form_->x + form_->w) &&
- y >= form_->y && y << (form_->y + form_->h))) {
+ y >= form_->y && y << (form_->y + form_->h))) {
fl_hide_form(form_);
return 1;
}
KeySym keysym_return;
XLookupString(&xev->xkey, s_r, 10, &keysym_return, 0);
switch (keysym_return) {
- case XK_Down:
- line_down();
- return 1;
- case XK_Up:
- line_up();
- return 1;
- case XK_Return:
- completed();
- return 1;
- case XK_Escape:
- fl_select_browser_line(browser_, 0);
- completed();
- return 1;
- default:
- // FIXME: if someone has a got a way to
- // convince the event to fall back to the
- // minibuffer, I'm glad to hear it.
- // fl_XPutBackEvent() doesn't work.
- fl_select_browser_line(browser_, 0);
- completed();
+ case XK_Down:
+#ifdef XK_KP_Down
+ case XK_KP_Down:
+#endif
+ line_down();
+ return 1;
+ case XK_Up:
+#ifdef XK_KP_Up
+ case XK_KP_Up:
+#endif
+ line_up();
+ return 1;
+ case XK_Return:
+#ifdef XK_KP_Enter
+ case XK_KP_Enter:
+#endif
+ completed();
+ return 1;
+ case XK_Escape:
+ fl_deselect_browser(browser_);
+ completed();
+ return 1;
+ default:
+ // FIXME: if someone has a got a way to
+ // convince the event to fall back to the
+ // minibuffer, I'm glad to hear it.
+ // fl_XPutBackEvent() doesn't work.
+
+ // This is a bit less elegant perhaps, but works
+ // well enough. Angus 11 Jan 2002
+ if (s_r[0] && isprint(s_r[0])) {
+ key_pressed(s_r[0]);
return 1;
+ }
}
}
- return 0;
+ return 0;
}
-
+
void DropDown::completed()
{
XUngrabPointer(fl_get_display(), CurrentTime);
- string selection;
- int i = fl_get_browser(browser_);
- if (i < 1)
- selection = "";
- else
- selection = fl_get_browser_line(browser_, i);
fl_hide_form(form_);
+ result(getString(browser_));
+}
- result.emit(selection);
+
+void DropDown::key_pressed(char c)
+{
+ XUngrabPointer(fl_get_display(), CurrentTime);
+ fl_hide_form(form_);
+ keypress(c);
}
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