如何解决强制GtkListStore将列右对齐
什么是最好的(或以任何方式)强制GtkCellRenderer正确对齐列?我已经设法在gtk2.0的文档中找到了有关它的内容-在this链接下,提到PANGO_ALIGN_LEFT是“ alignment”属性的默认设置,尽管它应该可以工作,但不能使用。通过类推,应该存在一个名称为PANGO_ALIGN_RIGHT的常量,并且(如果可行)这应该可以解决我的问题。在搜索gtk源代码时,我遇到了0.0和1.0选项,它们是“对齐”的可能设置,但这也不起作用。
(gtklistview_right:25878): GLib-GObject-WARNING **: 00:17:15.109: unable to set property 'alignment' of type 'PangoAlignment' from value of type 'gchararray'
代码:
gtklistview_right.c
#include <gtk/gtk.h>
enum {
LIST_ITEM = 0,N_COLUMNS
};
void init_list(GtkWidget *list) {
GtkCellRenderer *renderer;
GtkTreeViewColumn *column;
GtkListStore *store;
renderer = gtk_cell_renderer_text_new ();
column = gtk_tree_view_column_new_with_attributes("List Items",renderer,"text",LIST_ITEM,"alignment",PANGO_ALIGN_LEFT,NULL);
gtk_tree_view_append_column(GTK_TREE_VIEW(list),column);
store = gtk_list_store_new(N_COLUMNS,G_TYPE_STRING);
gtk_tree_view_set_model(GTK_TREE_VIEW(list),GTK_TREE_MODEL(store));
g_object_unref(store);
}
void add_to_list(GtkWidget *list,const gchar *str) {
GtkListStore *store;
GtkTreeIter iter;
store = GTK_LIST_STORE(gtk_tree_view_get_model
(GTK_TREE_VIEW(list)));
gtk_list_store_append(store,&iter);
gtk_list_store_set(store,&iter,str,-1);
}
int main(int argc,char *argv[]) {
GtkWidget *window;
GtkWidget *list;
GtkWidget *vBox;
GtkWidget *label;
gtk_init(&argc,&argv);
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
list = gtk_tree_view_new();
gtk_window_set_title(GTK_WINDOW(window),"List view");
gtk_window_set_position(GTK_WINDOW(window),GTK_WIN_POS_CENTER);
gtk_container_set_border_width(GTK_CONTAINER(window),10);
gtk_window_set_default_size(GTK_WINDOW(window),270,250);
gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(list),FALSE);
vBox = gtk_vBox_new(FALSE,0);
gtk_Box_pack_start(GTK_Box(vBox),list,TRUE,5);
label = gtk_label_new("");
gtk_Box_pack_start(GTK_Box(vBox),label,FALSE,5);
gtk_container_add(GTK_CONTAINER(window),vBox);
init_list(list);
add_to_list(list,"Aliens");
add_to_list(list,"Leon");
add_to_list(list,"The Verdict");
add_to_list(list,"north Face");
add_to_list(list,"Der Untergang");
g_signal_connect(G_OBJECT (window),"destroy",G_CALLBACK(gtk_main_quit),NULL);
gtk_widget_show_all(window);
gtk_main();
return 0;
}
Makefile
CC=gcc
LIBS=`pkg-config --cflags --libs gtk+-2.0`
PROGRAMS=gtklistview_right
SRC=gtklistview_right.c
all: $(PROGRAMS)
%: %.c
$(CC) -o $@ $^ $(LIBS)
clean:
rm $(PROGRAMS)
解决方法
您正在使用'alignment'属性,如果有多个行,它们将对齐文本行。要对齐所有文本,请使用'xalign'属性。
文档是https://developer.gnome.org/gtk3/stable/GtkCellRendererText.html#GtkCellRendererText--alignment
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