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ICU-1428 Changes for multiple windows, open dialog.

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X-SVN-Rev: 8022
This commit is contained in:
Eric Mader 2002-03-14 22:27:32 +00:00
parent c8e85a2174
commit 22cc595c26
2 changed files with 239 additions and 82 deletions
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18
icu4c/source/samples/layout/GnomeGUISupport.cpp
View File

@ -5,19 +5,33 @@
* Corporation and others. All Rights Reserved.
*
*******************************************************************************
* file name: GnomeGUISupport.h
* file name: GnomeGUISupport.cpp
*
* created on: 11/06/2001
* created by: Eric R. Mader
*/
#if 1
#include <gnome.h>
#else
#include <stdio.h>
#endif
#include "GnomeGUISupport.h"
void GnomeGUISupport::postErrorMessage(const char *message, const char *title)
{
fprintf(stderr, "%s: %s\n", title, message);
#if 1
gchar *s;
GtkWidget *error;
s = g_strconcat(title, ":\n", message, NULL);
error = gnome_error_dialog(s);
gtk_widget_show(error);
g_free(s);
#else
fprintf(stderr, "%s: %s\n", title, message);
#endif
}

303
icu4c/source/samples/layout/gnomelayout.cpp
View File

@ -1,3 +1,4 @@
/*
****************************************************************************** *
*
@ -30,6 +31,22 @@
#define ARRAY_LENGTH(array) (sizeof array / sizeof array[0])
struct Context
{
long width;
long height;
Paragraph *paragraph;
};
static TT_Engine engine;
static GnomeGUISupport *guiSupport;
static GnomeFontMap *fontMap;
static GSList *appList = NULL;
GtkWidget *newSample(const gchar *fileName);
void closeSample(GtkWidget *sample);
void showabout(GtkWidget *widget, gpointer data)
{
GtkWidget *aboutBox;
@ -38,9 +55,9 @@ void showabout(GtkWidget *widget, gpointer data)
NULL
};
aboutBox = gnome_about_new("Gnome Layout Demo",
aboutBox = gnome_about_new("Gnome Layout Sample",
"0.1",
"Copyright (C) 1998-2001 By International Business Machines Corporation and others. All Rights Reserved.",
"Copyright (C) 1998-2002 By International Business Machines Corporation and others. All Rights Reserved.",
writtenBy,
"A simple demo of the ICU LayoutEngine.",
NULL);
@ -53,6 +70,93 @@ void notimpl(GtkObject *object, gpointer data)
gnome_ok_dialog("Not implemented...");
}
gchar *prettyTitle(const gchar *path)
{
gchar *name = g_basename(path);
gchar *title = g_strconcat("Gnome Layout Sample - ", name, NULL);
return title;
}
void openOK(GtkObject *object, gpointer data)
{
GtkFileSelection *fileselection = GTK_FILE_SELECTION(data);
GtkWidget *app = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(fileselection), "app"));
Context *context = (Context *) gtk_object_get_data(GTK_OBJECT(app), "context");
gchar *fileName = g_strdup(gtk_file_selection_get_filename(fileselection));
Paragraph *newPara;
gtk_widget_destroy(GTK_WIDGET(fileselection));
newPara = Paragraph::paragraphFactory(fileName, fontMap, guiSupport, NULL);
if (newPara != NULL) {
gchar *title = prettyTitle(fileName);
GtkWidget *area = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(app), "area"));
if (context->paragraph != NULL) {
delete context->paragraph;
}
context->paragraph = newPara;
gtk_window_set_title(GTK_WINDOW(app), title);
gtk_widget_hide(area);
context->paragraph->breakLines(context->width, context->height);
gtk_widget_show_all(area);
g_free(title);
}
g_free(fileName);
}
void openfile(GtkObject *object, gpointer data)
{
GtkWidget *app = GTK_WIDGET(data);
GtkWidget *fileselection;
GtkWidget *okButton;
GtkWidget *cancelButton;
fileselection =
gtk_file_selection_new("Open File");
gtk_object_set_data(GTK_OBJECT(fileselection), "app", app);
okButton =
GTK_FILE_SELECTION(fileselection)->ok_button;
cancelButton =
GTK_FILE_SELECTION(fileselection)->cancel_button;
gtk_signal_connect(GTK_OBJECT(fileselection), "destroy",
GTK_SIGNAL_FUNC(gtk_main_quit), NULL);
gtk_signal_connect(GTK_OBJECT(okButton), "clicked",
GTK_SIGNAL_FUNC(openOK), fileselection);
gtk_signal_connect_object(GTK_OBJECT(cancelButton), "clicked",
GTK_SIGNAL_FUNC(gtk_widget_destroy), GTK_OBJECT(fileselection));
gtk_window_set_modal(GTK_WINDOW(fileselection), TRUE);
gtk_widget_show(fileselection);
gtk_main();
}
void newapp(GtkObject *object, gpointer data)
{
GtkWidget *app = newSample("Sample.txt");
gtk_widget_show_all(app);
}
void closeapp(GtkWidget *widget, gpointer data)
{
GtkWidget *app = GTK_WIDGET(data);
closeSample(app);
}
void shutdown(GtkObject *object, gpointer data)
{
gtk_main_quit();
@ -60,10 +164,15 @@ void shutdown(GtkObject *object, gpointer data)
GnomeUIInfo fileMenu[] =
{
GNOMEUIINFO_MENU_OPEN_ITEM(notimpl, NULL),
GNOMEUIINFO_SEPARATOR,
GNOMEUIINFO_MENU_EXIT_ITEM(shutdown, NULL),
GNOMEUIINFO_END
GNOMEUIINFO_MENU_NEW_ITEM("_New Sample",
"Create a new Gnome Layout Sample",
newapp, NULL),
GNOMEUIINFO_MENU_OPEN_ITEM(openfile, NULL),
GNOMEUIINFO_SEPARATOR,
GNOMEUIINFO_MENU_CLOSE_ITEM(closeapp, NULL),
GNOMEUIINFO_MENU_EXIT_ITEM(shutdown, NULL),
GNOMEUIINFO_END
};
GnomeUIInfo helpMenu[] =
@ -80,120 +189,154 @@ GnomeUIInfo mainMenu[] =
GNOMEUIINFO_END
};
struct Context
{
long width;
long height;
Paragraph *paragraph;
};
gint eventDelete(GtkWidget *widget, GdkEvent *event, gpointer data)
{
return FALSE;
}
closeSample(widget);
gint eventDestroy(GtkWidget *widget, GdkEvent *event, Context *context)
{
shutdown(GTK_OBJECT(widget), context);
return 0;
// indicate that closeapp already destroyed the window
return TRUE;
}
gint eventConfigure(GtkWidget *widget, GdkEventConfigure *event, Context *context)
{
if (context->paragraph != NULL) {
context->width = event->width;
context->height = event->height;
if (context->width > 0 && context->height > 0) {
context->paragraph->breakLines(context->width, context->height);
}
}
return TRUE;
return TRUE;
}
gint eventExpose(GtkWidget *widget, GdkEvent *event, Context *context)
{
if (context->paragraph != NULL) {
gint maxLines = context->paragraph->getLineCount() - 1;
gint firstLine = 0, lastLine = context->height / context->paragraph->getLineHeight();
context->paragraph->draw(widget, firstLine, (maxLines < lastLine)? maxLines : lastLine);
}
return TRUE;
return TRUE;
}
GtkWidget *newSample(const gchar *fileName)
{
gchar *title = NULL;
GtkWidget *app = NULL;
GtkWidget *area = NULL;
Context *context = new Context();
context->width = 600;
context->height = 400;
context->paragraph = Paragraph::paragraphFactory(fileName, fontMap, guiSupport, NULL);
if (context->paragraph != NULL) {
GtkStyle *style;
gchar *title = prettyTitle(fileName);
app = gnome_app_new("gnomeLayout", title);
gtk_object_set_data(GTK_OBJECT(app), "context", context);
gtk_window_set_default_size(GTK_WINDOW(app), 600 - 24, 400);
gnome_app_create_menus_with_data(GNOME_APP(app), mainMenu, app);
gtk_signal_connect(GTK_OBJECT(app), "delete_event",
GTK_SIGNAL_FUNC(eventDelete), NULL);
area = gtk_drawing_area_new();
gtk_object_set_data(GTK_OBJECT(app), "area", area);
#if 1
style = gtk_style_copy(gtk_widget_get_style(area));
for (int i = 0; i < 5; i += 1) {
style->fg[i] =style->white;
}
gtk_widget_set_style(area, style);
#endif
gnome_app_set_contents(GNOME_APP(app), area);
gtk_signal_connect(GTK_OBJECT(area),
"expose_event",
GTK_SIGNAL_FUNC(eventExpose),
context);
gtk_signal_connect(GTK_OBJECT(area),
"configure_event",
GTK_SIGNAL_FUNC(eventConfigure),
context);
appList = g_slist_prepend(appList, app);
}
g_free(title);
return app;
}
void closeSample(GtkWidget *app)
{
Context *context = (Context *) gtk_object_get_data(GTK_OBJECT(app), "context");
if (context->paragraph != NULL) {
delete context->paragraph;
}
delete context;
appList = g_slist_remove(appList, app);
gtk_widget_destroy(app);
if (appList == NULL) {
gtk_main_quit();
}
}
int main (int argc, char *argv[])
{
GtkWidget *app;
GtkWidget *area;
GtkStyle *style;
unsigned short status = 0;
Context context = {600, 400, NULL};
TT_Engine engine;
RFIErrorCode fontStatus = RFI_NO_ERROR;
GtkWidget *app;
TT_Init_FreeType(&engine);
RFIErrorCode fontStatus = RFI_NO_ERROR;
GnomeGUISupport *guiSupport = new GnomeGUISupport();
GnomeFontMap *fontMap = new GnomeFontMap(engine, "FontMap.Gnome", 24, guiSupport, fontStatus);
gnome_init("gnomelayout", "0.1", argc, argv);
guiSupport = new GnomeGUISupport();
fontMap = new GnomeFontMap(engine, "FontMap.Gnome", 24, guiSupport, fontStatus);
if (LE_FAILURE(fontStatus)) {
TT_Done_FreeType(engine);
return 1;
}
// FIXME: is it cheating to pass NULL for surface, since we know that
// GnomeFontInstance won't use it?
context.paragraph = Paragraph::paragraphFactory("Sample.txt", fontMap, guiSupport, NULL);
if (context.paragraph != NULL) {
gnome_init("gnomelayout", "1.0", argc, argv);
app = gnome_app_new("gnomelayout", "Gnome Layout");
gtk_window_set_default_size(GTK_WINDOW(app), 600 - 24, 400);
gnome_app_create_menus(GNOME_APP(app), mainMenu);
gtk_signal_connect(GTK_OBJECT(app),
"delete_event",
GTK_SIGNAL_FUNC(eventDelete),
NULL);
gtk_signal_connect(GTK_OBJECT(app),
"destroy",
GTK_SIGNAL_FUNC(eventDestroy),
&context);
area = gtk_drawing_area_new();
#if 1
style = gtk_style_copy(gtk_widget_get_style(area));
for (int i = 0; i < 5; i += 1) {
style->fg[i] =style->white;
}
gtk_widget_set_style(area, style);
#if 0
app = newSample("Sample.txt");
gtk_widget_show_all(app);
#else
if (argc <= 1) {
app = newSample("Sample.txt");
gtk_widget_show_all(app);
} else {
for (int i = 1; i < argc; i += 1) {
app = newSample(argv[i]);
gtk_widget_show_all(app);
}
}
#endif
gnome_app_set_contents(GNOME_APP(app), area);
gtk_signal_connect(GTK_OBJECT(area),
"expose_event",
GTK_SIGNAL_FUNC(eventExpose),
&context);
gtk_signal_connect(GTK_OBJECT(area),
"configure_event",
GTK_SIGNAL_FUNC(eventConfigure),
&context);
gtk_widget_show_all(app);
gtk_main();
delete context.paragraph;
}
gtk_main();
delete fontMap;
delete guiSupport;
TT_Done_FreeType(engine);