add an OtkAppWidget which are "root windows", i.e. the managed child of root, to be shown on the display.

Exit when all the "root windows" are hidden.
Support the WM_DELETE protocol to hide a "root window".
This commit is contained in:
Dana Jansens 2002-11-16 14:30:18 +00:00
parent 3bc1f37469
commit 12a95bfdb3
14 changed files with 197 additions and 146 deletions

View file

@ -9,7 +9,7 @@ libotk_a_SOURCES= color.cc display.cc font.cc gccache.cc image.cc \
texture.cc timer.cc timerqueuemanager.cc style.cc \
configuration.cc util.cc widget.cc focuswidget.cc \
button.cc eventhandler.cc eventdispatcher.cc \
label.cc focuslabel.cc application.cc
label.cc focuslabel.cc application.cc appwidget.cc
MAINTAINERCLEANFILES= Makefile.in
@ -20,26 +20,51 @@ otk_test: libotk.a otk_test.cc
$(CXX) $(CPPFLAGS) -DHAVE_CONFIG_H -I. -I. -I.. -I../src $(XFT_CFLAGS) -Wall -W -pedantic -DNDEBUG -g -O2 -o otk_test otk_test.cc $(XFT_LIBS) ./libotk.a
# local dependencies
button.o: button.cc button.hh focuswidget.hh widget.hh rect.hh \
point.hh texture.hh color.hh util.hh style.hh font.hh image.hh \
screeninfo.hh timer.hh configuration.hh
application.o: application.cc application.hh eventdispatcher.hh \
eventhandler.hh display.hh configuration.hh timerqueuemanager.hh \
timerqueue.hh timer.hh image.hh color.hh screeninfo.hh rect.hh \
point.hh style.hh font.hh texture.hh util.hh widget.hh
appwidget.o: appwidget.cc appwidget.hh widget.hh rect.hh point.hh \
texture.hh color.hh util.hh style.hh font.hh image.hh screeninfo.hh \
timer.hh configuration.hh eventdispatcher.hh eventhandler.hh \
application.hh display.hh timerqueuemanager.hh timerqueue.hh
button.o: button.cc button.hh focuslabel.hh focuswidget.hh widget.hh \
rect.hh point.hh texture.hh color.hh util.hh style.hh font.hh \
image.hh screeninfo.hh timer.hh configuration.hh eventdispatcher.hh \
eventhandler.hh application.hh display.hh timerqueuemanager.hh \
timerqueue.hh
color.o: color.cc color.hh display.hh screeninfo.hh rect.hh point.hh
configuration.o: configuration.cc configuration.hh util.hh
eventdispatcher.o: eventdispatcher.cc eventdispatcher.hh \
eventhandler.hh display.hh
eventhandler.o: eventhandler.cc eventhandler.hh
focuslabel.o: focuslabel.cc focuslabel.hh focuswidget.hh widget.hh \
rect.hh point.hh texture.hh color.hh util.hh style.hh font.hh \
image.hh screeninfo.hh timer.hh configuration.hh eventdispatcher.hh \
eventhandler.hh application.hh display.hh timerqueuemanager.hh \
timerqueue.hh
focuswidget.o: focuswidget.cc focuswidget.hh widget.hh rect.hh \
point.hh texture.hh color.hh util.hh style.hh font.hh image.hh \
screeninfo.hh timer.hh configuration.hh
font.o: font.cc font.hh util.hh display.hh display.hh color.hh \
screeninfo.hh rect.hh point.hh
screeninfo.hh timer.hh configuration.hh eventdispatcher.hh \
eventhandler.hh application.hh display.hh timerqueuemanager.hh \
timerqueue.hh
font.o: font.cc font.hh util.hh display.hh color.hh screeninfo.hh \
rect.hh point.hh
gccache.o: gccache.cc gccache.hh display.hh color.hh assassin.hh \
screeninfo.hh rect.hh point.hh
image.o: image.cc display.hh gccache.hh color.hh image.hh \
screeninfo.hh rect.hh point.hh timer.hh texture.hh util.hh
imagecontrol.o: imagecontrol.cc display.hh color.hh image.hh \
screeninfo.hh rect.hh point.hh timer.hh texture.hh util.hh
otk_test.o: otk_test.cc focuswidget.hh widget.hh rect.hh point.hh \
texture.hh color.hh util.hh style.hh font.hh image.hh screeninfo.hh \
timer.hh configuration.hh button.hh display.hh timerqueuemanager.hh \
timerqueue.hh
label.o: label.cc label.hh widget.hh rect.hh point.hh texture.hh \
color.hh util.hh style.hh font.hh image.hh screeninfo.hh timer.hh \
configuration.hh eventdispatcher.hh eventhandler.hh application.hh \
display.hh timerqueuemanager.hh timerqueue.hh
otk_test.o: otk_test.cc application.hh eventdispatcher.hh \
eventhandler.hh display.hh configuration.hh timerqueuemanager.hh \
timerqueue.hh timer.hh image.hh color.hh screeninfo.hh rect.hh \
point.hh style.hh font.hh texture.hh util.hh focuswidget.hh widget.hh \
appwidget.hh button.hh focuslabel.hh
property.o: property.cc property.hh screeninfo.hh rect.hh point.hh \
display.hh
rect.o: rect.cc rect.hh point.hh
@ -56,7 +81,5 @@ timerqueuemanager.o: timerqueuemanager.cc timerqueuemanager.hh \
util.o: util.cc util.hh
widget.o: widget.cc widget.hh rect.hh point.hh texture.hh color.hh \
util.hh style.hh font.hh image.hh screeninfo.hh timer.hh \
configuration.hh display.hh assassin.hh
eventhandler.o: eventhandler.cc eventhandler.hh
eventdispatcher.o: eventdispatcher.cc eventdispatcher.hh
application.o: application.cc application.hh
configuration.hh eventdispatcher.hh eventhandler.hh application.hh \
display.hh timerqueuemanager.hh timerqueue.hh assassin.hh

View file

@ -3,8 +3,6 @@
#include "widget.hh"
extern "C" {
#include <X11/Xlib.h>
#ifdef HAVE_STDLIB_H
# include <stdlib.h>
#endif
@ -15,13 +13,16 @@ extern "C" {
namespace otk {
OtkApplication::OtkApplication(int argc, char **argv)
: OtkEventDispatcher(), _main_widget(0), _dockable(false)
: OtkEventDispatcher(),
_dockable(false),
_appwidget_count(0)
{
argc = argc;
argv = argv;
OBDisplay::initialize(0);
const ScreenInfo *s_info = OBDisplay::screenInfo(DefaultScreen(OBDisplay::display));
const ScreenInfo *s_info =
OBDisplay::screenInfo(DefaultScreen(OBDisplay::display));
_timer_manager = new OBTimerQueueManager();
_img_ctrl = new BImageControl(_timer_manager, s_info, True, 4, 5, 200);
@ -55,36 +56,17 @@ void OtkApplication::loadStyle(void)
void OtkApplication::exec(void)
{
if (!_main_widget) {
std::cerr << "ERROR: No main widget set. You must create a main " <<
"OtkWidget for the OtkApplication before calling " <<
if (_appwidget_count <= 0) {
std::cerr << "ERROR: No main widgets exist. You must create and show() " <<
"an OtkAppWidget for the OtkApplication before calling " <<
"OtkApplication::exec().\n";
::exit(1);
}
while (1) {
while (_appwidget_count > 0) {
dispatchEvents();
_timer_manager->fire(); // fire pending events
}
}
bool OtkApplication::setMainWidget(const OtkWidget *main_widget)
{
// ignore it if it has already been set
if (_main_widget) {
std::cerr << "WARNING: More than one main OtkWidget being created for " <<
"the OtkApplication!\n";
return false;
}
_main_widget = main_widget;
// set WM Protocols on the window
Atom protocols[2];
protocols[0] = XInternAtom(OBDisplay::display, "WM_PROTOCOLS", false);
protocols[1] = XInternAtom(OBDisplay::display, "WM_DELETE_WINDOW", false);
XSetWMProtocols(OBDisplay::display, _main_widget->getWindow(), protocols, 2);
return true;
}
}

View file

@ -10,7 +10,7 @@
namespace otk {
class OtkWidget;
class OtkAppWidget;
class OtkApplication : public OtkEventDispatcher {
@ -28,20 +28,18 @@ public:
inline Style *getStyle(void) const { return _style; }
// more accessors
protected:
bool setMainWidget(const OtkWidget *main_widget);
private:
void loadStyle(void);
const OtkWidget *_main_widget;
OBTimerQueueManager *_timer_manager;
BImageControl *_img_ctrl;
Configuration *_style_conf;
Style *_style;
bool _dockable;
friend class OtkWidget; // for access to setMainWidget
int _appwidget_count;
friend class OtkAppWidget;
};
}

53
otk/appwidget.cc Normal file
View file

@ -0,0 +1,53 @@
#include "appwidget.hh"
#include "application.hh"
extern "C" {
#include <X11/Xlib.h>
}
namespace otk {
OtkAppWidget::OtkAppWidget(OtkApplication *app, Direction direction,
Cursor cursor, int bevel_width)
: OtkWidget(app, app->getStyle(), direction, cursor, bevel_width),
_application(app)
{
assert(app);
_wm_protocols = XInternAtom(OBDisplay::display, "WM_PROTOCOLS", false);
_wm_delete = XInternAtom(OBDisplay::display, "WM_DELETE_WINDOW", false);
// set WM Protocols on the window
Atom protocols[2];
protocols[0] = _wm_protocols;
protocols[1] = _wm_delete;
XSetWMProtocols(OBDisplay::display, getWindow(), protocols, 2);
}
OtkAppWidget::~OtkAppWidget()
{
}
void OtkAppWidget::show(void)
{
OtkWidget::show();
_application->_appwidget_count++;
}
void OtkAppWidget::hide(void)
{
OtkWidget::hide();
_application->_appwidget_count--;
}
void OtkAppWidget::clientMessageHandler(const XClientMessageEvent &e)
{
OtkEventHandler::clientMessageHandler(e);
if (e.message_type == _wm_protocols &&
static_cast<Atom>(e.data.l[0]) == _wm_delete)
hide();
}
}

31
otk/appwidget.hh Normal file
View file

@ -0,0 +1,31 @@
#ifndef __appwidget_hh
#define __appwidget_hh
#include "widget.hh"
namespace otk {
class OtkApplication;
class OtkAppWidget : public OtkWidget {
public:
OtkAppWidget(OtkApplication *app, Direction direction = Horizontal,
Cursor cursor = 0, int bevel_width = 1);
virtual ~OtkAppWidget();
virtual void show(void);
virtual void hide(void);
virtual void clientMessageHandler(const XClientMessageEvent &e);
private:
OtkApplication *_application;
Atom _wm_protocols;
Atom _wm_delete;
};
}
#endif // __appwidget_hh

View file

@ -51,18 +51,18 @@ void OtkButton::setUnfocusTexture(BTexture *texture)
_unpr_unfocus_tx = texture;
}
int OtkButton::buttonPressHandler(const XButtonEvent &e)
void OtkButton::buttonPressHandler(const XButtonEvent &e)
{
press(e.button);
update();
return OtkFocusWidget::buttonPressHandler(e);
OtkFocusWidget::buttonPressHandler(e);
}
int OtkButton::buttonReleaseHandler(const XButtonEvent &e)
void OtkButton::buttonReleaseHandler(const XButtonEvent &e)
{
release(e.button);
update();
return OtkFocusWidget::buttonReleaseHandler(e);
OtkFocusWidget::buttonReleaseHandler(e);
}
}

View file

@ -29,8 +29,8 @@ public:
void press(unsigned int mouse_button);
void release(unsigned int mouse_button);
int buttonPressHandler(const XButtonEvent &e);
int buttonReleaseHandler(const XButtonEvent &e);
void buttonPressHandler(const XButtonEvent &e);
void buttonReleaseHandler(const XButtonEvent &e);
private:

View file

@ -13,7 +13,7 @@ OtkEventHandler::~OtkEventHandler()
}
int OtkEventHandler::handle(const XEvent &e)
void OtkEventHandler::handle(const XEvent &e)
{
switch(e.type){
case KeyPress:
@ -79,7 +79,6 @@ int OtkEventHandler::handle(const XEvent &e)
case SelectionRequest:
return selectionRequestHandler(e.xselectionrequest);
};
return 0;
}
}

View file

@ -10,104 +10,103 @@ namespace otk {
class OtkEventHandler{
public:
//! Dispatches events to one of the other handlers based on their type.
virtual int handle(const XEvent &e);
virtual void handle(const XEvent &e);
//! Called whenever any key is pressed.
virtual int keyPressHandler(const XKeyEvent &) {return 1;}
virtual void keyPressHandler(const XKeyEvent &) {}
//! Called whenever any key is released.
virtual int keyReleaseHandler(const XKeyEvent &) {return 1;}
virtual void keyReleaseHandler(const XKeyEvent &) {}
//! Called whenever a button of the pointer is pressed.
virtual int buttonPressHandler(const XButtonEvent &) {return 1;}
virtual void buttonPressHandler(const XButtonEvent &) {}
//! Called whenever a button of the pointer is released.
virtual int buttonReleaseHandler(const XButtonEvent &) {return 1;}
virtual void buttonReleaseHandler(const XButtonEvent &) {}
//! Called whenever the pointer enters a window.
virtual int enterHandler(const XCrossingEvent &) {return 1;}
virtual void enterHandler(const XCrossingEvent &) {}
//! Called whenever the pointer leaves a window.
virtual int leaveHandler(const XCrossingEvent &) {return 1;}
virtual void leaveHandler(const XCrossingEvent &) {}
//! Called when a window gains focus.
virtual int focusHandler(const XFocusChangeEvent &) {return 1;}
virtual void focusHandler(const XFocusChangeEvent &) {}
//! Called when a window looses focus.
virtual int unfocusHandler(const XFocusChangeEvent &) {return 1;}
virtual void unfocusHandler(const XFocusChangeEvent &) {}
//! Called when a window becomes visible to the user.
virtual int exposeHandler(const XExposeEvent &) {return 1;}
virtual void exposeHandler(const XExposeEvent &) {}
//! Called to handle GraphicsExpose events.
virtual int graphicsExposeHandler(const XGraphicsExposeEvent &) {return 1;}
virtual void graphicsExposeHandler(const XGraphicsExposeEvent &) {}
//! Called to handle NoExpose events.
virtual int noExposeEventHandler(const XNoExposeEvent &) {return 1;}
virtual void noExposeEventHandler(const XNoExposeEvent &) {}
//! Called when the window requests a change in its z-order.
virtual int circulateRequestHandler(const XCirculateRequestEvent &)
{return 1;}
virtual void circulateRequestHandler(const XCirculateRequestEvent &)
{}
//! Called when a different client initiates a configure window request.
virtual int configureRequestHandler(const XConfigureRequestEvent &)
{return 1;}
virtual void configureRequestHandler(const XConfigureRequestEvent &)
{}
//! Called when a different client tries to map a window.
virtual int mapRequestHandler(const XMapRequestEvent &) {return 1;}
virtual void mapRequestHandler(const XMapRequestEvent &) {}
//! Called when another client attemps to change the size of a window.
virtual int resizeRequestHandler(const XResizeRequestEvent &) {return 1;}
virtual void resizeRequestHandler(const XResizeRequestEvent &) {}
//! Called when the z-order of the window has changed.
virtual int circulateHandler(const XCirculateEvent &) {return 1;}
virtual void circulateHandler(const XCirculateEvent &) {}
//! Called when the window as been reconfigured.
virtual int configureHandler(const XConfigureEvent &) {return 1;}
virtual void configureHandler(const XConfigureEvent &) {}
//! Called when a window is created.
virtual int createHandler(const XCreateWindowEvent &) {return 1;}
virtual void createHandler(const XCreateWindowEvent &) {}
//! Called when a window is destroyed.
virtual int destroyHandler(const XDestroyWindowEvent &) {return 1;}
virtual void destroyHandler(const XDestroyWindowEvent &) {}
//! Called when a window is moved because of a change in the size of its
//! parent.
virtual int gravityHandler(const XGravityEvent &) {return 1;}
virtual void gravityHandler(const XGravityEvent &) {}
//! Called when a window is mapped.
virtual int mapHandler(const XMapEvent &) {return 1;}
virtual void mapHandler(const XMapEvent &) {}
//! Called when the server generats a MappingNotify event
virtual int mappingHandler(const XMappingEvent &) {return 1;}
virtual void mappingHandler(const XMappingEvent &) {}
//! Called when a window is reparented
virtual int reparentHandler(const XReparentEvent &) {return 1;}
virtual void reparentHandler(const XReparentEvent &) {}
//! Called when a window is unmapped
virtual int unmapHandler(const XUnmapEvent &) {return 1;}
virtual void unmapHandler(const XUnmapEvent &) {}
//! Called when a the visibilty of a window changes
virtual int visibilityHandler(const XVisibilityEvent &) {return 1;}
virtual void visibilityHandler(const XVisibilityEvent &) {}
//! Called when the colormap changes, or is installed or unistalled
virtual int colorMapHandler(const XColormapEvent &) {return 1;}
virtual void colorMapHandler(const XColormapEvent &) {}
//! Called when a client calls XSendEvent
virtual int clientMessageHandler(const XClientMessageEvent &) {return 1;}
virtual void clientMessageHandler(const XClientMessageEvent &) {}
//! Called when a property of a window changes
virtual int propertyHandler(const XPropertyEvent &) {return 1;}
virtual void propertyHandler(const XPropertyEvent &) {}
//! Called when the client loses ownership of a selection
virtual int selectionClearHandler(const XSelectionClearEvent &) {return 1;}
virtual void selectionClearHandler(const XSelectionClearEvent &) {}
//! Called when a ConvertSelection protocol request is sent
virtual int selectionHandler(const XSelectionEvent &) {return 1;}
virtual void selectionHandler(const XSelectionEvent &) {}
//! Called when a SelectionEvent occurs
virtual int selectionRequestHandler(const XSelectionRequestEvent &)
{return 1;}
virtual void selectionRequestHandler(const XSelectionRequestEvent &) {}
virtual ~OtkEventHandler();

View file

@ -8,20 +8,6 @@ OtkFocusWidget::OtkFocusWidget(OtkWidget *parent, Direction direction)
_focus_texture = parent->getTexture();
}
OtkFocusWidget::OtkFocusWidget(OtkApplication *app, Direction direction,
Cursor cursor, int bevel_width)
: OtkWidget(app, direction, cursor, bevel_width),
_unfocus_texture(0), _focused(true)
{
}
OtkFocusWidget::OtkFocusWidget(Style *style, Direction direction,
Cursor cursor, int bevel_width)
: OtkWidget(style, direction, cursor, bevel_width),
_unfocus_texture(0), _focused(true)
{
}
OtkFocusWidget::~OtkFocusWidget()
{
}

View file

@ -11,10 +11,6 @@ class OtkFocusWidget : public OtkWidget {
public:
OtkFocusWidget(OtkWidget *parent, Direction = Horizontal);
OtkFocusWidget(OtkApplication *app, Direction direction = Horizontal,
Cursor cursor = 0, int bevel_width = 1);
OtkFocusWidget(Style *style, Direction direction = Horizontal,
Cursor cursor = 0, int bevel_width = 1);
virtual ~OtkFocusWidget();
virtual void focus(void);

View file

@ -1,15 +1,16 @@
#include "application.hh"
#include "focuswidget.hh"
#include "appwidget.hh"
#include "button.hh"
int main(int argc, char **argv) {
otk::OtkApplication app(argc, argv);
otk::OtkFocusWidget foo(&app);
otk::OtkAppWidget foo(&app);
foo.resize(600, 500);
foo.setTexture(app.getStyle()->getTitleFocus());
foo.setUnfocusTexture(app.getStyle()->getTitleUnfocus());
// foo.setUnfocusTexture(app.getStyle()->getTitleUnfocus());
foo.setBevelWidth(2);
foo.setDirection(otk::OtkWidget::Horizontal);

View file

@ -18,33 +18,16 @@ OtkWidget::OtkWidget(OtkWidget *parent, Direction direction)
_grabbed_keyboard(false), _stretchable_vert(false),
_stretchable_horz(false), _texture(0), _bg_pixmap(0), _bg_pixel(0),
_screen(parent->getScreen()), _fixed_width(false), _fixed_height(false),
_event_dispatcher(parent->getEventDispatcher())
_event_dispatcher(parent->getEventDispatcher()), _application(0)
{
assert(parent);
parent->addChild(this);
create();
_event_dispatcher->registerHandler(_window, this);
}
OtkWidget::OtkWidget(OtkApplication *app, Direction direction,
Cursor cursor, int bevel_width)
: OtkEventHandler(),
_dirty(false),
_parent(0), _style(app->getStyle()), _direction(direction), _cursor(cursor),
_bevel_width(bevel_width), _ignore_config(0), _visible(false),
_focused(false), _grabbed_mouse(false), _grabbed_keyboard(false),
_stretchable_vert(false), _stretchable_horz(false), _texture(0),
_bg_pixmap(0), _bg_pixel(0), _screen(app->getStyle()->getScreen()),
_fixed_width(false), _fixed_height(false),
_event_dispatcher(app)
{
assert(app);
create();
_event_dispatcher->registerHandler(_window, this);
app->setMainWidget(this);
}
OtkWidget::OtkWidget(Style *style, Direction direction,
Cursor cursor, int bevel_width)
OtkWidget::OtkWidget(OtkEventDispatcher *event_dispatcher, Style *style,
Direction direction, Cursor cursor, int bevel_width)
: OtkEventHandler(),
_dirty(false),
_parent(0), _style(style), _direction(direction), _cursor(cursor),
@ -52,10 +35,13 @@ OtkWidget::OtkWidget(Style *style, Direction direction,
_focused(false), _grabbed_mouse(false), _grabbed_keyboard(false),
_stretchable_vert(false), _stretchable_horz(false), _texture(0),
_bg_pixmap(0), _bg_pixel(0), _screen(style->getScreen()),
_fixed_width(false), _fixed_height(false)
_fixed_width(false), _fixed_height(false),
_event_dispatcher(event_dispatcher), _application(0)
{
assert(event_dispatcher);
assert(style);
create();
_event_dispatcher->registerHandler(_window, this);
}
OtkWidget::~OtkWidget()
@ -427,15 +413,14 @@ void OtkWidget::setEventDispatcher(OtkEventDispatcher *disp)
_event_dispatcher->registerHandler(_window, this);
}
int OtkWidget::exposeHandler(const XExposeEvent &e)
void OtkWidget::exposeHandler(const XExposeEvent &e)
{
OtkEventHandler::exposeHandler(e);
_dirty = true;
update();
return true;
}
int OtkWidget::configureHandler(const XConfigureEvent &e)
void OtkWidget::configureHandler(const XConfigureEvent &e)
{
OtkEventHandler::configureHandler(e);
if (_ignore_config) {
@ -447,8 +432,6 @@ int OtkWidget::configureHandler(const XConfigureEvent &e)
}
update();
}
return true;
}
}

View file

@ -8,7 +8,7 @@
#include "point.hh"
#include "texture.hh"
#include "style.hh"
#include "eventhandler.hh"
#include "eventdispatcher.hh"
#include "application.hh"
namespace otk {
@ -22,17 +22,16 @@ public:
typedef std::list<OtkWidget *> OtkWidgetList;
OtkWidget(OtkWidget *parent, Direction = Horizontal);
OtkWidget(OtkApplication *app, Direction direction = Horizontal,
Cursor cursor = 0, int bevel_width = 1);
OtkWidget(Style *style, Direction direction = Horizontal,
Cursor cursor = 0, int bevel_width = 1);
OtkWidget(OtkEventDispatcher *event_dispatcher, Style *style,
Direction direction = Horizontal, Cursor cursor = 0,
int bevel_width = 1);
virtual ~OtkWidget();
virtual void update(void);
int exposeHandler(const XExposeEvent &e);
int configureHandler(const XConfigureEvent &e);
void exposeHandler(const XExposeEvent &e);
void configureHandler(const XConfigureEvent &e);
inline Window getWindow(void) const { return _window; }
inline const OtkWidget *getParent(void) const { return _parent; }
@ -144,6 +143,7 @@ private:
bool _fixed_height;
OtkEventDispatcher *_event_dispatcher;
OtkApplication *_application;
};
}