lyx_mirror/src/LyXView.C
Jean-Marc Lasgouttes 4b2a999762 GUI-indep toolbar and menus mostly work !
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@913 a592a061-630c-0410-9148-cb99ea01b6c8
2000-07-24 13:53:19 +00:00

480 lines
10 KiB
C

/* This file is part of
* ======================================================
*
* LyX, The Document Processor
*
* Copyright 1995 Matthias Ettrich
* Copyright 1995-2000 The LyX Team.
*
* ====================================================== */
#include <config.h>
#ifdef __GNUG__
#pragma implementation
#endif
#include <sys/time.h>
#include <unistd.h>
#include "LyXView.h"
#include "lyx_main.h"
#include "lyxlookup.h"
#include "minibuffer.h"
#include "lyxfunc.h"
#include "debug.h"
#include "layout_forms.h"
#include "intl.h"
#include "lyxrc.h"
#include "support/filetools.h" // OnlyFilename()
#include "layout.h"
#include "lyxtext.h"
#include "buffer.h"
#include "frontends/Dialogs.h"
#include "frontends/Toolbar.h"
#ifdef NEW_MENUBAR
# include "frontends/Menubar.h"
# include "MenuBackend.h"
#else
# include "menus.h"
#endif
#include "ToolbarDefaults.h"
#include "lyx_gui_misc.h" // [update,Close]AllBufferRelatedDialogs
#include "bufferview_funcs.h" // CurrentState()
using std::endl;
extern FD_form_document * fd_form_document;
extern void AutoSave(BufferView *);
extern void QuitLyX();
LyXTextClass::size_type current_layout = 0;
// This is very temporary
BufferView * current_view;
extern "C" int C_LyXView_atCloseMainFormCB(FL_FORM *, void *);
#ifdef SIGC_CXX_NAMESPACES
using SigC::Connection;
using SigC::slot;
#endif
LyXView::LyXView(int width, int height)
{
create_form_form_main(width, height);
fl_set_form_atclose(form_, C_LyXView_atCloseMainFormCB, 0);
lyxerr[Debug::INIT] << "Initializing LyXFunc" << endl;
lyxfunc = new LyXFunc(this);
intl = new Intl;
// Make sure the buttons are disabled if needed.
toolbar->update();
dialogs_ = new Dialogs(this);
// temporary until all dialogs moved into Dialogs.
dialogs_->updateBufferDependent
.connect(slot(&updateAllVisibleBufferRelatedDialogs));
dialogs_->hideBufferDependent
.connect(slot(&CloseAllBufferRelatedDialogs));
}
LyXView::~LyXView()
{
#ifdef NEW_MENUBAR
delete menubar;
#else
delete menus;
#endif
delete toolbar;
delete bufferview;
delete minibuffer;
delete lyxfunc;
delete intl;
delete dialogs_;
}
/// Redraw the main form.
void LyXView::redraw() {
lyxerr[Debug::INFO] << "LyXView::redraw()" << endl;
fl_redraw_form(form_);
minibuffer->Activate();
}
/// returns the buffer currently shown in the main form.
Buffer * LyXView::buffer() const
{
return bufferview->buffer();
}
BufferView * LyXView::view() const
{
return bufferview;
}
FL_FORM * LyXView::getForm() const
{
return form_;
}
Toolbar * LyXView::getToolbar() const
{
return toolbar;
}
void LyXView::setLayout(int layout)
{
toolbar->setLayout(layout);
}
LyXFunc * LyXView::getLyXFunc() const
{
return lyxfunc;
}
MiniBuffer * LyXView::getMiniBuffer() const
{
return minibuffer;
}
#ifdef NEW_MENUBAR
Menubar * LyXView::getMenubar() const
{
return menubar;
}
void LyXView::updateMenubar()
{
if ((!view() || !view()->buffer())
&& menubackend.hasMenu("main_nobuffer"))
menubar->set("main_nobuffer");
else
menubar->set("main");
}
#else
Menus * LyXView::getMenus() const
{
return menus;
}
#endif
Intl * LyXView::getIntl() const
{
return intl;
}
// Callback for autosave timer
void LyXView::AutoSave()
{
lyxerr[Debug::INFO] << "Running AutoSave()" << endl;
if (view()->available())
::AutoSave(view());
}
/// Reset autosave timer
void LyXView::resetAutosaveTimer()
{
if (lyxrc.autosave)
autosave_timeout.restart();
}
// Callback for close main form from window manager
int LyXView::atCloseMainFormCB(FL_FORM *, void *)
{
QuitLyX();
return FL_IGNORE;
}
// Wrapper for the above
extern "C" int C_LyXView_atCloseMainFormCB(FL_FORM * form, void * p)
{
return LyXView::atCloseMainFormCB(form, p);
}
void LyXView::setPosition(int x, int y)
{
fl_set_form_position(form_, x, y);
}
void LyXView::show(int place, int border, char const * title)
{
fl_show_form(form_, place, border, title);
minibuffer->Init();
InitLyXLookup(fl_display, form_->window);
}
void LyXView::create_form_form_main(int width, int height)
/* to make this work as it should, .lyxrc should have been
* read first; OR maybe this one should be made dynamic.
* Hmmmm. Lgb.
* We will probably not have lyxrc before the main form is
* initialized, because error messages from lyxrc parsing
* are presented (and rightly so) in GUI popups. Asger.
*/
{
// the main form
form_ = fl_bgn_form(FL_NO_BOX, width, height);
form_->u_vdata = this;
FL_OBJECT * obj = fl_add_box(FL_FLAT_BOX, 0, 0, width, height, "");
fl_set_object_color(obj, FL_MCOL, FL_MCOL);
// Parameters for the appearance of the main form
int const air = 2;
int const bw = abs(fl_get_border_width());
//
// THE MENUBAR
//
#ifdef NEW_MENUBAR
menubar = new Menubar(this, menubackend);
#else
menus = new Menus(this, air);
#endif
//
// TOOLBAR
//
toolbar = new Toolbar(this, air, 30 + air + bw, toolbardefaults);
// Setup the toolbar
toolbar->set(true);
//
// WORKAREA
//
int const ywork = 60 + 2 * air + bw;
int const workheight = height - ywork - (25 + 2 * air);
::current_view = bufferview = new BufferView(this, air, ywork,
width - 3 * air,
workheight);
//
// MINIBUFFER
//
minibuffer = new MiniBuffer(this, air, height - (25 + air),
width - (2 * air), 25);
//
// TIMERS
//
autosave_timeout.timeout.connect(slot(this, &LyXView::AutoSave));
//
// Misc
//
// assign an icon to main form
string iconname = LibFileSearch("images", "lyx", "xpm");
if (!iconname.empty()) {
unsigned int w, h;
Pixmap lyx_p, lyx_mask;
lyx_p = fl_read_pixmapfile(fl_root,
iconname.c_str(),
&w,
&h,
&lyx_mask,
0,
0,
0); // this leaks
fl_set_form_icon(form_, lyx_p, lyx_mask);
}
// set min size
fl_set_form_minsize(form_, 50, 50);
fl_end_form();
}
extern "C"
int C_LyXView_KeyPressMask_raw_callback(FL_FORM * fl, void * xev);
void LyXView::init()
{
// Set the textclass choice
invalidateLayoutChoice();
updateLayoutChoice();
UpdateDocumentClassChoice();
#ifdef NEW_MENUBAR
updateMenubar();
#endif
// Start autosave timer
if (lyxrc.autosave) {
autosave_timeout.setTimeout(lyxrc.autosave * 1000);
autosave_timeout.start();
}
// Install the raw callback for keyboard events
fl_register_raw_callback(form_,
KeyPressMask,
C_LyXView_KeyPressMask_raw_callback);
intl->InitKeyMapper(lyxrc.use_kbmap);
}
void LyXView::invalidateLayoutChoice()
{
last_textclass = -1;
}
void LyXView::updateLayoutChoice()
{
// This has a side-effect that the layouts are not showed when no
// document is loaded.
if (!view() || !view()->buffer()) {
toolbar->clearLayoutList();
return;
}
// Update the layout display
if (last_textclass != int(buffer()->params.textclass)) {
toolbar->updateLayoutList(true);
last_textclass = int(buffer()->params.textclass);
current_layout = 0;
} else
toolbar->updateLayoutList(false);
LyXTextClass::size_type layout =
bufferview->text->cursor.par()->GetLayout();
if (layout != current_layout){
toolbar->setLayout(layout);
current_layout = layout;
}
}
void LyXView::UpdateDocumentClassChoice()
{
// Update the document class display in the document form
if (fd_form_document) {
fl_clear_choice(fd_form_document->choice_class);
for (LyXTextClassList::const_iterator cit = textclasslist.begin();
cit != textclasslist.end(); ++cit) {
fl_addto_choice(fd_form_document->choice_class,
(*cit).description().c_str());
}
}
}
// This is necessary, since FL_FREE-Objects doesn't get all keypress events
// as FL_KEYBOARD events :-( Matthias 280596
int LyXView::KeyPressMask_raw_callback(FL_FORM * fl, void * xev)
{
LyXView * view = static_cast<LyXView*>(fl->u_vdata);
int retval = 0; // 0 means XForms should have a look at this event
XKeyEvent * xke = static_cast<XKeyEvent*>(xev);
static Time last_time_pressed = 0;
static Time last_time_released = 0;
static unsigned int last_key_pressed = 0;
static unsigned int last_key_released = 0;
static unsigned int last_state_pressed = 0;
static unsigned int last_state_released = 0;
// funny. Even though the raw_callback is registered with KeyPressMask,
// also KeyRelease-events are passed through:-(
// [It seems that XForms puts them in pairs... (JMarc)]
if (static_cast<XEvent*>(xev)->type == KeyPress
&& view->bufferview->focus()
&& view->bufferview->active())
{
last_time_pressed = xke->time;
last_key_pressed = xke->keycode;
last_state_pressed = xke->state;
retval = view->getLyXFunc()
->processKeyEvent(static_cast<XEvent*>(xev));
}
else if (static_cast<XEvent*>(xev)->type == KeyRelease
&& view->bufferview->focus()
&& view->bufferview->active())
{
last_time_released = xke->time;
last_key_released = xke->keycode;
last_state_released = xke->state;
}
if (last_key_released == last_key_pressed
&& last_state_released == last_state_pressed
&& last_time_released == last_time_pressed) {
// When the diff between last_time_released and
// last_time_pressed is 0, that sinifies an autoreapeat
// at least on my system. It like some feedback from
// others, especially from user running LyX remote.
//lyxerr << "Syncing - purging X events." << endl;
XSync(fl_get_display(), 1);
// This purge make f.ex. scrolling stop imidiatly when
// releaseing the PageDown button. The question is if this
// purging of XEvents can cause any harm...after some testing
// I can see no problems, but I'd like other reports too.
}
return retval;
}
// wrapper for the above
extern "C"
int C_LyXView_KeyPressMask_raw_callback(FL_FORM * fl, void * xev)
{
return LyXView::KeyPressMask_raw_callback(fl, xev);
}
// Updates the title of the window with the filename of the current document
void LyXView::updateWindowTitle()
{
static string last_title = "LyX";
string title = "LyX";
if (view()->available()) {
string cur_title = buffer()->fileName();
if (!cur_title.empty()){
title += ": " + OnlyFilename(cur_title);
if (!buffer()->isLyxClean())
title += _(" (Changed)");
if (buffer()->isReadonly())
title += _(" (read only)");
}
}
// Don't update title if it's the same as last time
if (title != last_title) {
fl_set_form_title(form_, title.c_str());
last_title = title;
}
}
void LyXView::showState()
{
getMiniBuffer()->Set(CurrentState(view()));
getToolbar()->update();
}