-// -*- C++ -*-
/**
* \file XMiniBuffer.C
- * Copyright 1995-2002 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 Lars
- * \author Asger and Juergen
+ * \author Asger and Jürgen
+ *
+ * Full author contact details are available in file CREDITS.
*/
#include <config.h>
-#ifdef __GNUG__
-#pragma implementation
-#endif
+#include "XMiniBuffer.h"
+#include "XFormsView.h"
+
+#include "freebrowser.h"
+#include "xforms_helpers.h"
+
+#include "controllers/ControlCommandBuffer.h"
-#include "frontends/xforms/DropDown.h"
-#include "frontends/xforms/XFormsView.h"
#include "frontends/Timeout.h"
-#include "XMiniBuffer.h"
-#include "BufferView.h"
-#include "LyXAction.h"
#include "gettext.h"
-#include "support/lyxalgo.h"
-#include "support/lstrings.h"
#include <boost/bind.hpp>
-#include <vector>
-#include <cctype>
-
-#ifndef CXX_GLOBAL_CSTD
-using std::isprint;
-#endif
+using boost::shared_ptr;
using std::vector;
+using std::string;
+namespace lyx {
+namespace frontend {
namespace {
-struct prefix {
- string p;
- prefix(string const & s)
- : p(s) {}
- bool operator()(string const & s) const {
- return prefixIs(s, p);
- }
-};
+/// This creates the input widget for the minibuffer
+FL_OBJECT * create_input_box(void * parent, int type);
+
+FL_FREEBROWSER * create_freebrowser(void * parent);
-} // end of anon namespace
+} // namespace anon
-XMiniBuffer::XMiniBuffer(LyXView * o, FL_Coord x, FL_Coord y,
- FL_Coord h, FL_Coord w)
- : MiniBuffer(o)
+XMiniBuffer::XMiniBuffer(XFormsView & owner,
+ ControlCommandBuffer & control)
+ : controller_(control),
+ info_shown_(false)
{
- create_input_box(FL_NORMAL_INPUT, x, y, h, w);
+ input_ = create_input_box(this, FL_NORMAL_INPUT);
+ freebrowser_.reset(create_freebrowser(this), fl_free_freebrowser);
+
+ // The minibuffer is 25 pixels high and is embedded inside a
+ // 2 pixel deep frame.
+ int const air = 2;
+
+ BoxList & boxlist = owner.getBox(XFormsView::Bottom)->children();
+ minibuffer_ = boxlist.push_back(Box(0,0));
+ shared_ptr<Box> center = embed(input_, minibuffer_->children(), widgets_, air);
+ center->set(Box::Expand);
+ center->setMinimumDimensions(0, 25);
+
+ owner.metricsUpdated.connect(boost::bind(&WidgetMap::updateMetrics,
+ &widgets_));
+
+ info_timer_.reset(new Timeout(1500));
+ idle_timer_.reset(new Timeout(6000));
+ info_con = info_timer_->timeout.connect(boost::bind(&XMiniBuffer::info_timeout, this));
+ idle_con = idle_timer_->timeout.connect(boost::bind(&XMiniBuffer::idle_timeout, this));
+ idle_timer_->start();
messageMode();
}
-// thanks for nothing, xforms (recursive creation not allowed)
-void XMiniBuffer::dd_init()
-{
- dropdown_ = new DropDown(owner_, the_buffer);
- dropdown_->result.connect(boost::bind(&XMiniBuffer::set_complete_input, this, _1));
- dropdown_->keypress.connect(boost::bind(&XMiniBuffer::append_char, this, _1));
-}
+// This is here so that scoped ptr will not require a complete type.
+XMiniBuffer::~XMiniBuffer()
+{}
-XMiniBuffer::~XMiniBuffer()
+void XMiniBuffer::freebrowserCB(int action)
{
- delete dropdown_;
+ if (action < 0 || action > 1)
+ // unrecognized action
+ return;
+
+ if (action == 0)
+ // The freebrowser has been hidden
+ return;
+
+ if (freebrowser_->last_printable) {
+ // Append this char to the current input contents
+ string input = getString(input_);
+ input += freebrowser_->last_printable;
+ fl_set_input(input_, input.c_str());
+
+ } else {
+ // Fill the input widget with the selected
+ // browser entry.
+ FL_OBJECT * browser = freebrowser_->browser;
+ string const str = getString(browser);
+
+ if (!str.empty()) {
+ // add a space so the user can type
+ // an argument immediately
+ set_input(str + ' ');
+ }
+ }
}
int XMiniBuffer::peek_event(FL_OBJECT * ob, int event,
int key, XEvent * /*xev*/)
{
-#if 0
- if (dropdown_->isVisible()) {
- return dropdown_->peek(xev);
- }
-#endif
-
switch (event) {
+ case FL_FOCUS:
+ messageMode(false);
+ break;
case FL_UNFOCUS:
messageMode();
break;
case FL_KEYBOARD:
{
string input;
- if (information_displayed_) {
- information_timer_->stop();
- input = stored_input;
- restore_input();
- } else {
- char const * tmp = fl_get_input(ob);
- input = tmp ? tmp : "";
+ if (info_shown_) {
+ info_timer_->stop();
+ info_timeout();
}
+ char const * tmp = fl_get_input(ob);
+ input = tmp ? tmp : "";
switch (key) {
case XK_Down:
- if (hist_iter != history_->end()) {
- ++hist_iter;
- }
- if (hist_iter == history_->end()) {
- // no further history
- show_information(_("[End of history]"), input);
+#ifdef XK_KP_Down
+ case XK_KP_Down:
+#endif
+ {
+ string const h(controller_.historyDown());
+ if (h.empty()) {
+ show_info(_("[End of history]"), input, false);
} else {
- set_input((*hist_iter));
+ set_input(h);
}
return 1;
+ }
+
case XK_Up:
- if (hist_iter == history_->begin()) {
- // no further history
- show_information(_("[Beginning of history]"),
- input);
+#ifdef XK_KP_Up
+ case XK_KP_Up:
+#endif
+ {
+ string const h(controller_.historyUp());
+ if (h.empty()) {
+ show_info(_("[Beginning of history]"), input, false);
} else {
- --hist_iter;
- set_input((*hist_iter));
+ set_input(h);
}
return 1;
+ }
+
case 9:
case XK_Tab:
{
- // Completion handling.
+ string new_input;
+ vector<string> comp = controller_.completions(input, new_input);
- vector<string> comp;
- lyx::copy_if(completion_.begin(),
- completion_.end(),
- back_inserter(comp), prefix(input));
+ if (comp.empty() && new_input == input) {
+ show_info(_("[no match]"), input);
+ break;
+ }
if (comp.empty()) {
- // No matches
- string const tmp = input + _(" [no match]");
- show_information(tmp, input);
- } else if (comp.size() == 1) {
- // Perfect match
- string const tmp =
- comp[0] + _(" [sole completion]");
- show_information(tmp, comp[0] + " ");
- } else {
- // More that one match
- // Find maximal avaliable prefix
- string const tmp = comp[0];
- string test(input);
- if (tmp.length() > test.length())
- test += tmp[test.length()];
- while (test.length() < tmp.length()) {
- vector<string> vtmp;
- lyx::copy_if(comp.begin(),
- comp.end(),
- back_inserter(vtmp),
- prefix(test));
- if (vtmp.size() != comp.size()) {
- test.erase(test.length() - 1);
- break;
- }
- test += tmp[test.length()];
- }
- set_input(test);
-
- int x,y,w,h;
- fl_get_wingeometry(fl_get_real_object_window(the_buffer),
- &x, &y, &w, &h);
-
- // asynchronous completion
- int const air = the_buffer->x;
- x += air;
- y += h - (the_buffer->h + air);
- w = the_buffer->w;
- dropdown_->select(comp, x, y, w);
+ set_input(new_input);
+ show_info(_("[only completion]"), new_input + ' ');
+ break;
+ }
+
+ set_input(new_input);
+
+ // Fill freebrowser_'s browser with the list of
+ // available completions
+ FL_OBJECT * browser = freebrowser_->browser;
+ fl_clear_browser(browser);
+ vector<string>::const_iterator cit = comp.begin();
+ vector<string>::const_iterator end = comp.end();
+ for (; cit != end; ++cit) {
+ fl_add_browser_line(browser, cit->c_str());
}
+ fl_select_browser_line(browser, 1);
+
+ // Set the position of the freebrowser and display it.
+ int x,y,w,h;
+ fl_get_wingeometry(fl_get_real_object_window(input_),
+ &x, &y, &w, &h);
+
+ // asynchronous completion
+ int const air = input_->x;
+ x += air;
+ y += h - (input_->h + air);
+ w = input_->w;
+ h = 100;
+
+ fl_show_freebrowser(freebrowser_.get(), x, y-h, w, h);
return 1;
}
case 27:
case XK_Escape:
- // Abort
-#if 0
- owner_->view()->focus(true);
-#endif
- message_timeout();
messageMode();
- //escape.emit();
return 1;
case 13:
case XK_Return:
- {
-#if 0
- // This will go in again in a little while
- // we need to be able to declare what types
- // of argumetns LFUN's should have first. (Lgb)
- // First check for match
- vector<string>::const_iterator cit =
- find(completion_.begin(),
- completion_.end(),
- input);
- if (cit == completion_.end()) {
- // no such func/item
- string const tmp = input + _(" [no match]");
- show_information(tmp, input);
- } else {
-#endif
- // Return the inputted string
- messageMode();
-#if 0
- owner_->view()->focus(true);
-#endif
- if (!input.empty()) {
- history_->push_back(input);
- }
- inputReady(input);
-# if 0
- }
+#ifdef XK_KP_Enter
+ case XK_KP_Enter:
#endif
+ {
+ messageMode();
+ redraw();
+ controller_.dispatch(input);
return 1;
}
default:
}
}
default:
- //lyxerr << "Unhandled minibuffer event!" << endl;
break;
}
}
-extern "C" {
+void XMiniBuffer::freeze()
+{
+ // we must prevent peek_event, or we get an unfocus() when the
+ // containing form gets destroyed
+ fl_set_object_prehandler(input_, 0);
+}
- static
- int C_XMiniBuffer_peek_event(FL_OBJECT * ob, int event,
- FL_Coord, FL_Coord,
- int key, void * xev)
- {
- XMiniBuffer * mini = static_cast<XMiniBuffer*>(ob->u_vdata);
- return mini->peek_event(ob, event, key,
- static_cast<XEvent *>(xev));
- }
+void XMiniBuffer::show_info(string const & info, string const & input, bool append)
+{
+ stored_input_ = input;
+ info_shown_ = true;
+ if (append)
+ set_input(input + ' ' + info);
+ else
+ set_input(info);
+ info_timer_->start();
}
-FL_OBJECT * XMiniBuffer::create_input_box(int type, FL_Coord x, FL_Coord y,
- FL_Coord w, FL_Coord h)
+void XMiniBuffer::idle_timeout()
{
- FL_OBJECT * obj;
+ set_input(controller_.getCurrentState());
+}
- the_buffer = obj = fl_add_input(type, x, y, w, h, text.c_str());
- fl_set_object_boxtype(obj, FL_DOWN_BOX);
- fl_set_object_resize(obj, FL_RESIZE_ALL);
- fl_set_object_gravity(obj, SouthWestGravity, SouthEastGravity);
- fl_set_object_color(obj, FL_MCOL, FL_MCOL);
- fl_set_object_lsize(obj, FL_NORMAL_SIZE);
- // To intercept Up, Down, Table for history
- fl_set_object_prehandler(obj, C_XMiniBuffer_peek_event);
- obj->u_vdata = this;
- obj->wantkey = FL_KEY_TAB;
+void XMiniBuffer::info_timeout()
+{
+ info_shown_ = false;
+ set_input(stored_input_);
+}
- set_input(text);
- return obj;
+bool XMiniBuffer::isEditingMode() const
+{
+ return input_->focus;
}
-bool XMiniBuffer::isEditingMode() const
+void XMiniBuffer::messageMode(bool on)
{
- return the_buffer->focus;
+ set_input("");
+ if (!on) {
+ fl_activate_object(input_);
+ fl_set_focus_object(input_->form, input_);
+ redraw();
+ idle_timer_->stop();
+ } else {
+ if (isEditingMode()) {
+ // focus back to the workarea
+ fl_set_focus_object(input_->form, 0);
+ idle_timer_->start();
+ }
+ }
}
-void XMiniBuffer::editingMode()
+void XMiniBuffer::redraw()
{
- fl_activate_object(the_buffer);
- fl_set_focus_object(static_cast<XFormsView *>(owner_)->getForm(),
- the_buffer);
- redraw();
+ fl_redraw_object(input_);
+ XFlush(fl_display);
}
-void XMiniBuffer::messageMode()
+void XMiniBuffer::message(string const & str)
{
- fl_deactivate_object(the_buffer);
- redraw();
+ if (!isEditingMode())
+ set_input(str);
}
-void XMiniBuffer::redraw()
+void XMiniBuffer::set_input(string const & str)
{
- fl_redraw_object(the_buffer);
- XFlush(fl_display);
+ fl_set_input(input_, str.c_str());
+}
+
+
+namespace {
+
+extern "C"
+int C_XMiniBuffer_peek_event(FL_OBJECT * ob, int event,
+ FL_Coord, FL_Coord,
+ int key, void * xev)
+{
+ XMiniBuffer * mini = static_cast<XMiniBuffer*>(ob->u_vdata);
+ return mini->peek_event(ob, event, key, static_cast<XEvent *>(xev));
}
-void XMiniBuffer::append_char(char c)
+extern "C"
+void C_freebrowserCB(FL_FREEBROWSER * fb, int action)
{
- if (!c || !isprint(c))
+ if (!fb || !fb->parent)
return;
- char const * tmp = fl_get_input(the_buffer);
- string str = tmp ? tmp : "";
+ XMiniBuffer * ptr = static_cast<XMiniBuffer *>(fb->parent);
+ ptr->freebrowserCB(action);
+}
+
+
+FL_OBJECT * create_input_box(void * parent, int type)
+{
+ FL_OBJECT * obj = fl_add_input(type, 0, 0, 0, 0, "");
+ fl_set_object_boxtype(obj, FL_DOWN_BOX);
+ fl_set_object_resize(obj, FL_RESIZE_ALL);
+ fl_set_object_gravity(obj, SouthWestGravity, SouthEastGravity);
+ fl_set_object_color(obj, FL_MCOL, FL_MCOL);
+ fl_set_object_lsize(obj, FL_NORMAL_SIZE);
- str += c;
+ // To intercept Up, Down, Table for history
+ fl_set_object_prehandler(obj, C_XMiniBuffer_peek_event);
+ obj->u_vdata = parent;
+ obj->wantkey = FL_KEY_TAB;
- fl_set_input(the_buffer, str.c_str());
+ return obj;
}
-void XMiniBuffer::set_input(string const & str)
+FL_FREEBROWSER * create_freebrowser(void * parent)
{
- fl_set_input(the_buffer, str.c_str());
+ FL_FREEBROWSER * fb = fl_create_freebrowser(parent);
+ fb->want_printable = 1;
+ fb->callback = C_freebrowserCB;
+ return fb;
}
+
+} // namespace anon
+
+} // namespace frontend
+} // namespace lyx