add ftk label demo.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1190 bbd45198-f89e-11dd-88c7-29a3b14d5316

examples/module/ftk_label/SConscript

@@ -0,0 +1,34 @@
+Import('env')
+Import('projects')
+Import('RTT_ROOT')
+Import('rtconfig')
+Import('TARGET')
+
+RTMLINKER = RTT_ROOT + '/tools/rtmlinker.exe '
+
+# group definitions
+group = {}
+group['CCFLAGS'] = ''
+group['CPPPATH'] = [RTT_ROOT + '/include',
+		RTT_ROOT + '/examples/module',
+		RTT_ROOT + '/components/external/ftk/ftk/src']
+group['CPPDEFINES'] = ''
+
+target = 'label.so'
+POST_ACTION = RTMLINKER + ' -l ' + TARGET + ' -o label.mo ' + '$TARGET'
+
+# add group to project list
+projects.append(group)
+
+src_local = Split("""
+demo_label.c
+""")
+
+env.Append(CCFLAGS = group['CCFLAGS'])
+env.Append(CPPPATH = group['CPPPATH'])
+env.Append(CPPDEFINES = group['CPPDEFINES'])
+module_env = env.Clone(CCFLAGS = ' -mcpu=arm920t -O0 -fPIC')
+module_env.Replace(LINKFLAGS = '-z max-page-size=0x4 -shared -fPIC -e main -nostdlib -s')
+module_env.Program(target, src_local) 
+module_env.AddPostAction(target, POST_ACTION) 
+

examples/module/ftk_label/demo_label.c

@@ -0,0 +1,93 @@
+#include "ftk.h"
+
+typedef struct _TimerInfo
+{
+	int times;
+	FtkWidget* label;
+}TimerInfo;
+
+static Ret timeout(void* ctx)
+{
+	TimerInfo* info = ctx;
+	char buffer[32] = {0};
+	if(info->times > 0)
+	{
+		snprintf(buffer, sizeof(buffer), "Quit after %d seconds", info->times);
+		ftk_widget_set_text(info->label, buffer);
+		info->times--;
+
+		return RET_OK;
+	}
+	else
+	{
+		ftk_widget_unref(ftk_widget_toplevel(info->label));
+		ftk_logd("%s: timeout and quit.\n", __func__);
+		FTK_FREE(info);
+		FTK_QUIT();
+		return RET_REMOVE;
+	}
+}
+
+#ifdef FTK_AS_PLUGIN
+#include "ftk_app_demo.h"
+FTK_HIDE int FTK_MAIN(int argc, char* argv[]);
+FtkApp* ftk_app_demo_label_create()
+{
+	return ftk_app_demo_create(_("label"), ftk_main);
+}
+#else
+#define FTK_HIDE extern
+#endif /*FTK_AS_PLUGIN*/
+
+FTK_HIDE int FTK_MAIN(int argc, char* argv[])
+{
+	int width = 0;
+	int height = 0;
+	FtkGc gc = {.mask = FTK_GC_BG};
+	TimerInfo* info = NULL;
+
+	FTK_INIT(argc, argv);
+	info = (TimerInfo*)FTK_ZALLOC(sizeof(TimerInfo));
+	info->times = 5;
+		
+	FtkSource* timer = ftk_source_timer_create(1000, timeout, info);
+	FtkWidget* win = ftk_app_window_create();
+
+	width = ftk_widget_width(win);
+	height = ftk_widget_height(win);
+
+	FtkWidget* label = ftk_label_create(win, 10, 10, width - 20, 20);
+	ftk_widget_set_text(label, "中文文本");
+	
+	label = ftk_label_create(win, 10, 40, width - 20, 20);
+	ftk_widget_set_text(label, "English Text(center)");
+	ftk_label_set_alignment(label, FTK_ALIGN_CENTER);
+	assert(strcmp(ftk_widget_get_text(label), "English Text(center)") == 0);
+	
+	label = ftk_label_create(win, 10, 70, width - 20, 20);
+	ftk_widget_set_text(label, "English Text(right)");
+	ftk_label_set_alignment(label, FTK_ALIGN_RIGHT);
+
+	gc.bg.a = 0xff;
+	gc.bg.r = 0xF0;
+	gc.bg.g = 0xF0;
+	gc.bg.b = 0x80;
+	label = ftk_label_create(win, 10, height/2, width - 20, 120);
+	ftk_widget_set_gc(label, FTK_WIDGET_INSENSITIVE, &gc);
+	ftk_widget_unset_attr(label, FTK_ATTR_TRANSPARENT);
+	ftk_widget_set_text(label, "中英文混合多行文本显示:the linux mobile development.带有背景颜色。");
+	
+	label = ftk_label_create(win, 50, height/2-30, width, 20);
+	info->label = label;
+	
+	ftk_widget_set_text(win, "label demo");
+	ftk_widget_show_all(win, 1);
+
+	ftk_widget_set_attr(win, FTK_ATTR_IGNORE_CLOSE);
+	ftk_main_loop_add_source(ftk_default_main_loop(), timer);
+
+	FTK_RUN();
+
+	return 0;
+}
+

examples/module/rtconfig.h

@@ -37,4 +37,8 @@
 
 /* name length of RTGUI object */
 #define RTGUI_NAME_MAX		16
+
+/* Using newlib as libc */
+#define RT_USING_NEWLIB
+
 #endif