diff options
author | Peter Breitenlohner <peb@mppmu.mpg.de> | 2009-04-20 18:13:48 +0000 |
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committer | Peter Breitenlohner <peb@mppmu.mpg.de> | 2009-04-20 18:13:48 +0000 |
commit | e5786f530f9555469c01435f86039b06aa53feba (patch) | |
tree | c868e8d32282422d7d445b729db95c3fcdafb6d0 /Build/source/libs/icu/icu-xetex/samples/layout/cgnomelayout.c | |
parent | ebaa1768b43c8606d923d2e861b5286b74207b3e (diff) |
new build system: build icu libs and xetex plus misc updates
git-svn-id: svn://tug.org/texlive/trunk@12759 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/libs/icu/icu-xetex/samples/layout/cgnomelayout.c')
-rw-r--r-- | Build/source/libs/icu/icu-xetex/samples/layout/cgnomelayout.c | 342 |
1 files changed, 342 insertions, 0 deletions
diff --git a/Build/source/libs/icu/icu-xetex/samples/layout/cgnomelayout.c b/Build/source/libs/icu/icu-xetex/samples/layout/cgnomelayout.c new file mode 100644 index 00000000000..f95b7a5c6bc --- /dev/null +++ b/Build/source/libs/icu/icu-xetex/samples/layout/cgnomelayout.c @@ -0,0 +1,342 @@ + +/* + ****************************************************************************** * + * + * Copyright (C) 1999-2007, International Business Machines + * Corporation and others. All Rights Reserved. + * + ****************************************************************************** * + */ + +#include <gnome.h> +#include <ft2build.h> +#include FT_FREETYPE_H + +#include "pflow.h" + +#include "gnomeglue.h" + +#include "arraymem.h" + +struct Context +{ + long width; + long height; + pf_flow *paragraph; +}; + +typedef struct Context Context; + +static FT_Library engine; +static gs_guiSupport *guiSupport; +static fm_fontMap *fontMap; +static le_font *font; + +static GSList *appList = NULL; + +GtkWidget *newSample(const gchar *fileName); +void closeSample(GtkWidget *sample); + +static void showabout(GtkWidget *widget, gpointer data) +{ + GtkWidget *aboutBox; + const gchar *documentedBy[] = {NULL}; + const gchar *writtenBy[] = { + "Eric Mader", + NULL + }; + + aboutBox = gnome_about_new("Gnome Layout Sample", + "0.1", + "Copyright (C) 1998-2006 By International Business Machines Corporation and others. All Rights Reserved.", + "A simple demo of the ICU LayoutEngine.", + writtenBy, + documentedBy, + "", + NULL); + + gtk_widget_show(aboutBox); +} + +#if 0 +static void notimpl(GtkObject *object, gpointer data) +{ + gnome_ok_dialog("Not implemented..."); +} +#endif + +static gchar *prettyTitle(const gchar *path) +{ + const gchar *name = g_basename(path); + gchar *title = g_strconcat("Gnome Layout Sample - ", name, NULL); + + return title; +} + +static 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)); + pf_flow *newPara; + + gtk_widget_destroy(GTK_WIDGET(fileselection)); + + newPara = pf_factory(fileName, font, guiSupport); + + if (newPara != NULL) { + gchar *title = prettyTitle(fileName); + GtkWidget *area = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(app), "area")); + + if (context->paragraph != NULL) { + pf_close(context->paragraph); + } + + context->paragraph = newPara; + gtk_window_set_title(GTK_WINDOW(app), title); + + gtk_widget_hide(area); + pf_breakLines(context->paragraph, context->width, context->height); + gtk_widget_show_all(area); + + g_free(title); + } + + g_free(fileName); +} + +static 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(); +} + +static void newapp(GtkObject *object, gpointer data) +{ + GtkWidget *app = newSample("Sample.txt"); + + gtk_widget_show_all(app); +} + +static void closeapp(GtkWidget *widget, gpointer data) +{ + GtkWidget *app = GTK_WIDGET(data); + + closeSample(app); +} + +static void shutdown(GtkObject *object, gpointer data) +{ + gtk_main_quit(); +} + +GnomeUIInfo fileMenu[] = +{ + GNOMEUIINFO_MENU_NEW_ITEM((gchar *) "_New Sample", + (gchar *) "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[] = +{ + /* GNOMEUIINFO_HELP("gnomelayout"), */ + GNOMEUIINFO_MENU_ABOUT_ITEM(showabout, NULL), + GNOMEUIINFO_END +}; + +GnomeUIInfo mainMenu[] = +{ + GNOMEUIINFO_SUBTREE(N_((gchar *) "File"), fileMenu), + GNOMEUIINFO_SUBTREE(N_((gchar *) "Help"), helpMenu), + GNOMEUIINFO_END +}; + +static gint eventDelete(GtkWidget *widget, GdkEvent *event, gpointer data) +{ + closeSample(widget); + + /* indicate that closeapp already destroyed the window */ + return TRUE; +} + +static 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) { + pf_breakLines(context->paragraph, context->width, context->height); + } + } + + return TRUE; +} + +static gint eventExpose(GtkWidget *widget, GdkEvent *event, Context *context) +{ + if (context->paragraph != NULL) { + gint maxLines = pf_getLineCount(context->paragraph) - 1; + gint firstLine = 0, lastLine = context->height / pf_getLineHeight(context->paragraph); + rs_surface *surface = rs_gnomeRenderingSurfaceOpen(widget); + + pf_draw(context->paragraph, surface, firstLine, (maxLines < lastLine)? maxLines : lastLine); + + rs_gnomeRenderingSurfaceClose(surface); + } + + return TRUE; +} + +GtkWidget *newSample(const gchar *fileName) +{ + Context *context = NEW_ARRAY(Context, 1); + gchar *title; + GtkWidget *app; + GtkWidget *area; + GtkStyle *style; + int i; + + context->width = 600; + context->height = 400; + context->paragraph = pf_factory(fileName, font, guiSupport); + + 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); + + style = gtk_style_copy(gtk_widget_get_style(area)); + + for (i = 0; i < 5; i += 1) { + style->fg[i] = style->white; + } + + gtk_widget_set_style(area, style); + + 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) { + pf_close(context->paragraph); + } + + DELETE_ARRAY(context); + + appList = g_slist_remove(appList, app); + + gtk_widget_destroy(app); + + if (appList == NULL) { + gtk_main_quit(); + } +} + +int main (int argc, char *argv[]) +{ + LEErrorCode fontStatus = LE_NO_ERROR; + poptContext ptctx; + GtkWidget *app; + const char *defaultArgs[] = {"Sample.txt", NULL}; + const char **args; + int i; + + FT_Init_FreeType(&engine); + + gnome_init_with_popt_table("gnomelayout", "0.1", argc, argv, NULL, 0, &ptctx); + + guiSupport = gs_gnomeGuiSupportOpen(); + fontMap = fm_gnomeFontMapOpen(engine, "FontMap.Gnome", 24, guiSupport, &fontStatus); + font = le_scriptCompositeFontOpen(fontMap); + + if (LE_FAILURE(fontStatus)) { + FT_Done_FreeType(engine); + return 1; + } + + args = poptGetArgs(ptctx); + + if (args == NULL) { + args = defaultArgs; + } + + for (i = 0; args[i] != NULL; i += 1) { + app = newSample(args[i]); + + gtk_widget_show_all(app); + } + + poptFreeContext(ptctx); + + gtk_main(); + + le_fontClose(font); + gs_gnomeGuiSupportClose(guiSupport); + + FT_Done_FreeType(engine); + + exit(0); +} |