Avoid duplicating code
authorP. F. Chimento <philip.chimento@gmail.com>
Tue, 21 Jun 2011 20:26:18 +0000 (22:26 +0200)
committerP. F. Chimento <philip.chimento@gmail.com>
Tue, 21 Jun 2011 20:26:18 +0000 (22:26 +0200)
Move GtkBuilder and UI manager code into util.c; this now handles
looking for the proper location of the files depending on whether
DEBUG is defined or not.

player/Makefile.am
player/app.c
player/browser.c
player/player.c
player/preferences.c
player/util.c [new file with mode: 0644]
player/util.h [new file with mode: 0644]

index a8343b62ece044ebbd380d0b82a228a0eada5bc8..3964d25669d9c1f5b9c4a2fc24ea85981e0feea2 100644 (file)
@@ -21,7 +21,8 @@ chimara_SOURCES = main.c \
        error.c error.h \
        player.c player.h \
        app.c app.h \
-       browser.c browser.h
+       browser.c browser.h \
+       util.c util.h
 chimara_CPPFLAGS = $(AM_CPPFLAGS) \
        -DPACKAGE_LOCALE_DIR=\""$(prefix)/$(DATADIRNAME)/locale"\" \
        -DPACKAGE_SRC_DIR=\""$(srcdir)"\" \
index a9cf6746e8e9944300de51eed44ee144143d14b6..3d5ff08977a6ef4f4c12c87e07c2b02c77a1edd3 100644 (file)
@@ -15,6 +15,7 @@
 #include "error.h"
 #include "preferences.h"
 #include "player.h"
+#include "util.h"
 
 typedef struct _ChimaraAppPrivate {
        GtkActionGroup *action_group;
@@ -52,17 +53,6 @@ chimara_app_class_init(ChimaraAppClass *klass)
        g_type_class_add_private(klass, sizeof(ChimaraAppPrivate));
 }
 
-static GObject *
-load_object(GtkBuilder *builder, const gchar *name)
-{
-       GObject *retval;
-       if( (retval = gtk_builder_get_object(builder, name)) == NULL) {
-               error_dialog(NULL, NULL, "Error while getting object '%s'", name);
-               g_error("Error while getting object '%s'", name);
-       }
-       return retval;
-}
-
 static void
 chimara_app_init(ChimaraApp *self)
 {
@@ -89,25 +79,12 @@ chimara_app_init(ChimaraApp *self)
        g_free(keyfile);
 
        /* Build user interface */
-       GtkBuilder *builder = gtk_builder_new();
        char *object_ids[] = {
                "app_group",
                "aboutwindow",
                NULL
        };
-       
-       if( !gtk_builder_add_objects_from_file(builder, PACKAGE_DATA_DIR "/chimara.ui", object_ids, &error) ) {
-#ifdef DEBUG
-               g_error_free(error);
-               error = NULL;
-               if( !gtk_builder_add_objects_from_file(builder, PACKAGE_SRC_DIR "/chimara.ui", object_ids, &error) ) {
-#endif /* DEBUG */
-                       error_dialog(NULL, error, "Error while building interface: ");  
-                       return;
-#ifdef DEBUG
-               }
-#endif /* DEBUG */
-       }
+       GtkBuilder *builder = new_builder_with_objects(object_ids);
 
        self->aboutwindow = GTK_WIDGET(load_object(builder, "aboutwindow"));
        priv->action_group = GTK_ACTION_GROUP(load_object(builder, "app_group"));
index 4646eefddbb2169d1914916c9f20822631bf9e79..9be256afbf8cced3681c957ba3865c70d256517f 100644 (file)
@@ -3,7 +3,7 @@
 #include <gtk/gtk.h>
 #include "browser.h"
 #include "app.h"
-#include "error.h"
+#include "util.h"
 
 typedef struct _ChimaraBrowserPrivate {
        int dummy;
@@ -49,19 +49,7 @@ chimara_browser_init(ChimaraBrowser *self)
                "title", _("Chimara"),
                NULL);
 
-       GtkUIManager *uimanager = gtk_ui_manager_new();
-       if( !gtk_ui_manager_add_ui_from_file(uimanager, PACKAGE_DATA_DIR "/browser.menus", &error) ) {
-#ifdef DEBUG
-               g_error_free(error);
-               error = NULL;
-               if( !gtk_ui_manager_add_ui_from_file(uimanager, PACKAGE_SRC_DIR "/browser.menus", &error) ) {
-#endif /* DEBUG */
-                       error_dialog(NULL, error, "Error while building interface: ");
-                       return;
-#ifdef DEBUG
-               }
-#endif /* DEBUG */
-       }
+       GtkUIManager *uimanager = new_ui_manager("browser.menus");
 
        gtk_ui_manager_insert_action_group(uimanager, chimara_app_get_action_group(theapp), 0);
        GtkWidget *menubar = gtk_ui_manager_get_widget(uimanager, "/browser_menu");
index d8b094f236d90096be492ebbea1efdb7a4e5e9eb..19cbe453063980b1a1ba387220dd1e391f1d69c3 100644 (file)
@@ -5,6 +5,7 @@
 #include "player.h"
 #include "error.h"
 #include "app.h"
+#include "util.h"
 
 typedef struct _ChimaraPlayerPrivate {
        int dummy;
@@ -15,17 +16,6 @@ typedef struct _ChimaraPlayerPrivate {
 
 G_DEFINE_TYPE(ChimaraPlayer, chimara_player, GTK_TYPE_WINDOW);
 
-static GObject *
-load_object(GtkBuilder *builder, const gchar *name)
-{
-       GObject *retval;
-       if( (retval = gtk_builder_get_object(builder, name)) == NULL) {
-               error_dialog(NULL, NULL, "Error while getting object '%s'", name);
-               g_error("Error while getting object '%s'", name);
-       }
-       return retval;
-}
-
 static void
 change_window_title(ChimaraGlk *glk, GParamSpec *pspec, GtkWindow *window)
 {
@@ -93,6 +83,7 @@ static void
 chimara_player_init(ChimaraPlayer *self)
 {      
        GError *error = NULL;
+       ChimaraApp *theapp = chimara_app_get();
 
        /* Set parent properties */
        g_object_set(self,
@@ -102,76 +93,38 @@ chimara_player_init(ChimaraPlayer *self)
                NULL);
 
        /* Construct user interface */
-       GtkBuilder *builder = gtk_builder_new();
        char *object_ids[] = {
                "actiongroup",
                "player-vbox",
                NULL
        };
-       
-       if( !gtk_builder_add_objects_from_file(builder, PACKAGE_DATA_DIR "/chimara.ui", object_ids, &error) ) {
-#ifdef DEBUG
-               g_error_free(error);
-               error = NULL;
-               if( !gtk_builder_add_objects_from_file(builder, PACKAGE_SRC_DIR "/chimara.ui", object_ids, &error) ) {
-#endif /* DEBUG */
-                       error_dialog(NULL, error, "Error while building interface: ");  
-                       return;
-#ifdef DEBUG
-               }
-#endif /* DEBUG */
-       }
-       
+       GtkBuilder *builder = new_builder_with_objects(object_ids);
+
        GtkActionGroup *actiongroup = GTK_ACTION_GROUP(load_object(builder, "actiongroup"));
-       
+
        /* Set the default value of the "View/Toolbar" menu item upon creation of a
         new window to the "show-toolbar-default" setting, but bind the setting
         one-way only - we don't want toolbars to disappear suddenly */
        GtkToggleAction *toolbar_action = GTK_TOGGLE_ACTION(load_object(builder, "toolbar"));
        //gtk_toggle_action_set_active(toolbar_action, g_settings_get_boolean(state_settings, "show-toolbar-default"));
        //g_settings_bind(state_settings, "show-toolbar-default", toolbar_action, "active", G_SETTINGS_BIND_SET);
-               
-       GtkUIManager *uimanager = gtk_ui_manager_new();
-       if( !gtk_ui_manager_add_ui_from_file(uimanager, PACKAGE_DATA_DIR "/player.menus", &error) ) {
-#ifdef DEBUG
-               g_error_free(error);
-               error = NULL;
-               if( !gtk_ui_manager_add_ui_from_file(uimanager, PACKAGE_SRC_DIR "/player.menus", &error) ) {
-#endif /* DEBUG */
-                       error_dialog(NULL, error, "Error while building interface: ");
-                       return;
-#ifdef DEBUG
-               }
-#endif /* DEBUG */
-       }
-       
+
        self->glk = chimara_if_new();
        g_object_set(self->glk,
                                 "ignore-errors", TRUE,
                                 /*"interpreter-number", CHIMARA_IF_ZMACHINE_TANDY_COLOR,*/
                                 NULL);
-       if( !chimara_glk_set_css_from_file(CHIMARA_GLK(self->glk), PACKAGE_DATA_DIR "/style.css", &error) ) {
-#ifdef DEBUG
-               g_error_free(error);
-               error = NULL;
-               if( !chimara_glk_set_css_from_file(CHIMARA_GLK(self->glk), PACKAGE_SRC_DIR "/style.css", &error) ) {
-#endif /* DEBUG */
-                       error_dialog(NULL, error, "Couldn't open CSS file: ");
-                       return;
-#ifdef DEBUG
-               }
-#endif /* DEBUG */
+       char *default_css = get_data_file_path("style.css");
+       if( !chimara_glk_set_css_from_file(CHIMARA_GLK(self->glk), default_css, &error) ) {
+               error_dialog(self, error, "Couldn't open default CSS file: ");
        }
        
        /* DON'T UNCOMMENT THIS your eyes will burn
         but it is a good test of programmatically altering just one style
         chimara_glk_set_css_from_string(CHIMARA_GLK(glk),
         "buffer.normal { font-family: 'Comic Sans MS'; }");*/
-       
-       GtkBox *vbox = GTK_BOX(load_object(builder, "player-vbox"));    
-
-       ChimaraApp *theapp = chimara_app_get();
 
+       GtkUIManager *uimanager = new_ui_manager("player.menus");
        gtk_ui_manager_insert_action_group(uimanager, actiongroup, 0);
        gtk_ui_manager_insert_action_group(uimanager, chimara_app_get_action_group(theapp), 1);
        GtkWidget *menubar = gtk_ui_manager_get_widget(uimanager, "/player_menu");
@@ -185,7 +138,8 @@ chimara_player_init(ChimaraPlayer *self)
        /* Connect the accelerators */
        GtkAccelGroup *accels = gtk_ui_manager_get_accel_group(uimanager);
        gtk_window_add_accel_group(GTK_WINDOW(self), accels);
-       
+
+       GtkBox *vbox = GTK_BOX(load_object(builder, "player-vbox"));
        gtk_box_pack_end(vbox, self->glk, TRUE, TRUE, 0);
        g_object_ref(self->glk); /* add an extra reference to keep it alive while
                                                          the Glk program shuts down */
@@ -197,8 +151,8 @@ chimara_player_init(ChimaraPlayer *self)
        g_signal_connect(self->glk, "notify::program-name", G_CALLBACK(change_window_title), self);
        g_signal_connect(self->glk, "notify::story-name", G_CALLBACK(change_window_title), self);
 
-       g_object_unref( G_OBJECT(builder) );
-       g_object_unref( G_OBJECT(uimanager) );
+       g_object_unref(builder);
+       g_object_unref(uimanager);
 }
 
 /* PUBLIC FUNCTIONS */
index e03e81bee70fd23575208fce80e3ec4f3566d767..b5f2583e2bf3dc6a997a6bc2b3948d06592f244f 100644 (file)
@@ -41,6 +41,7 @@
 #include "error.h"
 #include "app.h"
 #include "preferences.h"
+#include "util.h"
 
 typedef struct _ChimaraPrefsPrivate {
        int dummy;
@@ -83,17 +84,6 @@ chimara_prefs_class_init(ChimaraPrefsClass *klass)
        g_type_class_add_private(klass, sizeof(ChimaraPrefsPrivate));
 }
 
-static GObject *
-load_object(GtkBuilder *builder, const gchar *name)
-{
-       GObject *retval;
-       if( (retval = gtk_builder_get_object(builder, name)) == NULL) {
-               error_dialog(NULL, NULL, "Error while getting object '%s'", name);
-               g_error("Error while getting object '%s'", name);
-       }
-       return retval;
-}
-
 /* Internal functions to convert from human-readable names in the config file
 to enums and back. Later: replace with plugin functions. */
 static ChimaraIFFormat
@@ -202,7 +192,6 @@ chimara_prefs_init(ChimaraPrefs *self)
                NULL);
        
        /* Build user interface */
-       GtkBuilder *builder = gtk_builder_new();
        char *object_ids[] = {
                "prefs-notebook",
                "available_interpreters",
@@ -210,19 +199,7 @@ chimara_prefs_init(ChimaraPrefs *self)
                "style-list",
                NULL
        };
-       
-       if( !gtk_builder_add_objects_from_file(builder, PACKAGE_DATA_DIR "/chimara.ui", object_ids, &error) ) {
-#ifdef DEBUG
-               g_error_free(error);
-               error = NULL;
-               if( !gtk_builder_add_objects_from_file(builder, PACKAGE_SRC_DIR "/chimara.ui", object_ids, &error) ) {
-#endif /* DEBUG */
-                       error_dialog(NULL, error, "Error while building interface: ");  
-                       return;
-#ifdef DEBUG
-               }
-#endif /* DEBUG */
-       }
+       GtkBuilder *builder = new_builder_with_objects(object_ids);
 
        GtkWidget *notebook = GTK_WIDGET( load_object(builder, "prefs-notebook") );
        GtkWidget *content_area = gtk_dialog_get_content_area( GTK_DIALOG(self) );
diff --git a/player/util.c b/player/util.c
new file mode 100644 (file)
index 0000000..5cd1598
--- /dev/null
@@ -0,0 +1,76 @@
+#include <gtk/gtk.h>
+#include <config.h>
+#include "util.h"
+#include "error.h"
+
+const char *
+get_data_file_path(const char *filename)
+{
+       char *path = g_build_filename(PACKAGE_DATA_DIR, filename);
+       if(g_file_test(path, G_FILE_TEST_EXISTS))
+               return path;
+#ifdef DEBUG
+       g_free(path);
+       path = g_build_filename(PACKAGE_SRC_DIR, filename);
+       if(g_file_test(path, G_FILE_TEST_EXISTS))
+               return path;
+#endif /* DEBUG */
+       g_error("Could not find data file: %s", filename);
+}
+
+GtkBuilder *
+new_builder_with_objects(char **object_ids)
+{
+       GError *error = NULL;
+       GtkBuilder *builder = gtk_builder_new();
+       
+       if( !gtk_builder_add_objects_from_file(builder, PACKAGE_DATA_DIR "/chimara.ui", object_ids, &error) ) {
+#ifdef DEBUG
+               g_error_free(error);
+               error = NULL;
+               if( !gtk_builder_add_objects_from_file(builder, PACKAGE_SRC_DIR "/chimara.ui", object_ids, &error) )
+#endif /* DEBUG */
+                       goto fail;
+       }
+       return builder;
+
+fail:
+       error_dialog(NULL, error, _("Error while building interface: "));
+       return NULL;
+}
+
+GObject *
+load_object(GtkBuilder *builder, const char *name)
+{
+       GObject *retval;
+       if( (retval = gtk_builder_get_object(builder, name)) == NULL) {
+               error_dialog(NULL, NULL, "Error while getting object '%s'", name);
+               g_error("Error while getting object '%s'", name);
+       }
+       return retval;
+}
+
+GtkUIManager *
+new_ui_manager(const char *filename)
+{
+       GError *error = NULL;
+       GtkUIManager *uimanager = gtk_ui_manager_new();
+       char *path = g_build_filename(PACKAGE_DATA_DIR, filename, NULL);
+       
+       if( !gtk_ui_manager_add_ui_from_file(uimanager, path, &error) ) {
+#ifdef DEBUG
+               g_free(path);
+               path = g_build_filename(PACKAGE_SRC_DIR, filename, NULL);
+               g_error_free(error);
+               error = NULL;
+               if( !gtk_ui_manager_add_ui_from_file(uimanager, path, &error) )
+#endif /* DEBUG */
+                       goto fail;
+       }
+       return uimanager;
+
+fail:
+       error_dialog(NULL, error, _("Error while building interface: "));
+       return NULL;
+}
+
diff --git a/player/util.h b/player/util.h
new file mode 100644 (file)
index 0000000..1ce0d7b
--- /dev/null
@@ -0,0 +1,15 @@
+#ifndef __UTIL_H__
+#define __UTIL_H__
+
+#include <gtk/gtk.h>
+
+G_BEGIN_DECLS
+
+const char *get_data_file_path(const char *filename);
+GtkBuilder *new_builder_with_objects(char **object_ids);
+GObject *load_object(GtkBuilder *builder, const char *name);
+GtkUIManager *new_ui_manager(const char *filename);
+
+G_END_DECLS
+
+#endif /* __UTIL_H__ */