add ftk calculator

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1198 bbd45198-f89e-11dd-88c7-29a3b14d5316

examples/module/ftk_calculator/SConscript

+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/apps/common',
+		RTT_ROOT + '/components/external/ftk/ftk/src/os/rt-thread',
+		RTT_ROOT + '/components/external/ftk/ftk/src',
+		RTT_ROOT + '/components/dfs', 
+		RTT_ROOT + '/components/dfs/include',
+		RTT_ROOT + '/components/libc/newlib']
+group['CPPDEFINES'] = ''
+
+target = 'calculator.so'
+POST_ACTION = RTMLINKER + ' -l ' + TARGET + ' -o calculator.mo ' + '$TARGET'
+
+# add group to project list
+projects.append(group)
+
+src_local = Split("""
+ftk_app_calc.c
+""")
+
+env.Append(CCFLAGS = group['CCFLAGS'])
+env.Append(CPPPATH = group['CPPPATH'])
+env.Append(CPPDEFINES = group['CPPDEFINES'])
+module_env = env.Clone(CCFLAGS = ' -DRT_THREAD -mcpu=arm920t -O0 -fPIC')
+module_env.Replace(LINKFLAGS = '-z max-page-size=0x4 -shared -fPIC -e ftk_app_calc_create -nostdlib')
+module_env.Program(target, src_local) 
+module_env.AddPostAction(target, POST_ACTION) 
+

examples/module/ftk_calculator/calc.desktop

+<applications>
+<application name="calc" exec="/ftk/apps/calculator.so" init="ftk_app_calc_create" />
+</applications>

examples/module/ftk_calculator/ftk_app_calc.c

+#include "ftk_xul.h"
+#include "ftk_expr.h"
+#include "ftk_app_calc.h"
+#include "ftk_animator_expand.h"
+
+typedef struct _PrivInfo
+{
+	FtkBitmap* icon;
+}PrivInfo;
+
+#define IDC_ENTRY 100
+
+static Ret ftk_calc_on_button_clicked(void* ctx, void* obj);
+
+const char* ftk_translate_path(const char* path, char out_path[FTK_MAX_PATH+1])
+{
+	snprintf(out_path, FTK_MAX_PATH, "%s/%s", APP_DATA_DIR, path);
+	if(access(out_path, R_OK) < 0)
+	{
+		snprintf(out_path, FTK_MAX_PATH, "%s/%s", APP_LOCAL_DATA_DIR, path);
+	}
+	ftk_logd("%s->%s\n", path, out_path);
+
+	return out_path;
+}
+
+const char* buttons[] =
+{
+	"0",
+	"1",
+	"2",
+	"3",
+	"4",
+	"5",
+	"6",
+	"7",
+	"8",
+	"9",
+	".",
+	"+",
+	"-",
+	"*",
+	"/",
+	"(",
+	")",
+	"=",
+	"<--",
+	"Quit"
+};
+
+static FtkWidget* ftk_calc_create_window(void)
+{
+	int i = 0;
+	int j = 0;
+	int x = 0;
+	int y = 0;
+	int row = 0;
+	int col = 0;
+	int small = 0;
+	int xoffset = 0;
+	int yoffset = 0;
+	int width   = 0;
+	int height  = 0;
+	int v_margin  = 5;
+	int h_margin  = 5;
+	int item_width = 0;
+	int item_height = 0;
+	FtkGc gc = {0};
+	FtkWidget* entry = NULL;
+	FtkWidget* button = NULL;
+	FtkBitmap* bitmap_normal = NULL;
+	FtkBitmap* bitmap_active = NULL;
+	FtkBitmap* bitmap_focus = NULL;
+	char path[FTK_MAX_PATH+1] = {0};
+	FtkWidget* win =  ftk_app_window_create();
+	width = ftk_widget_width(win);
+	height = ftk_widget_height(win);
+	entry = ftk_entry_create(win, 0, 0, width, 30);
+	ftk_widget_set_id(entry, IDC_ENTRY);
+	height -= ftk_widget_height(entry);
+
+	row = width > height ? 4 : 5;
+	col = width > height ? 5 : 4;
+
+	item_width = width / col;
+	item_height = height /row;
+	small = (item_width < 60 || item_height < 60) ? 1 : 0;
+
+	item_width = item_height = small ? 36 : 60;
+	
+	h_margin = width/col - item_width;
+	h_margin = h_margin > 5 ? 5 : h_margin;
+
+	v_margin = height/row - item_height;
+	v_margin = v_margin > 5 ? 5 : v_margin;
+
+	xoffset = (width - (h_margin + item_width) * col) >> 1;
+	yoffset = (height - (v_margin + item_height) * row) >> 1;
+
+	xoffset = xoffset < 0 ? 0 : xoffset;
+	yoffset = yoffset < 0 ? 0 : yoffset;
+
+	yoffset += ftk_widget_height(entry);
+	gc.mask = FTK_GC_BITMAP;
+	if(small)
+	{
+		bitmap_normal =  ftk_bitmap_factory_load(ftk_default_bitmap_factory(), ftk_translate_path("icons/button-small.png", path));
+		bitmap_active =  ftk_bitmap_factory_load(ftk_default_bitmap_factory(), ftk_translate_path("icons/button-pressed-small.png", path));
+		bitmap_focus =  ftk_bitmap_factory_load(ftk_default_bitmap_factory(), ftk_translate_path("icons/button-selected-small.png", path));
+	}
+	else
+	{
+		bitmap_normal =  ftk_bitmap_factory_load(ftk_default_bitmap_factory(), ftk_translate_path("icons/button.png", path));
+		bitmap_active =  ftk_bitmap_factory_load(ftk_default_bitmap_factory(), ftk_translate_path("icons/button-pressed.png", path));
+		bitmap_focus =  ftk_bitmap_factory_load(ftk_default_bitmap_factory(), ftk_translate_path("icons/button-selected.png", path));
+	}
+
+	for(i = 0; i < row; i++)
+	{
+		y = yoffset + i * (item_height + v_margin);
+		for(j = 0; j < col; j++)
+		{
+			const char* text = buttons[i * col + j];
+			if(text != NULL)
+			{
+				x = xoffset + j * (item_width + h_margin);
+				button = ftk_button_create(win, x, y, item_width, item_height);
+				ftk_widget_set_text(button, text);
+				ftk_button_set_clicked_listener(button, ftk_calc_on_button_clicked, win);
+				gc.bitmap = bitmap_normal;
+				ftk_widget_set_gc(button, FTK_WIDGET_NORMAL, &gc);
+				
+				gc.bitmap = bitmap_focus;
+				ftk_widget_set_gc(button, FTK_WIDGET_FOCUSED, &gc);
+				
+				gc.bitmap = bitmap_active;
+				ftk_widget_set_gc(button, FTK_WIDGET_ACTIVE, &gc);
+			}
+		}
+	}
+
+	ftk_bitmap_unref(bitmap_normal);
+	ftk_bitmap_unref(bitmap_active);
+	ftk_bitmap_unref(bitmap_focus);
+
+	return win;
+}
+
+static Ret ftk_calc_on_shutdown(void* ctx, void* obj)
+{
+	ftk_widget_unref(ctx);
+
+	return RET_OK;
+}
+
+static Ret ftk_calc_on_prepare_options_menu(void* ctx, FtkWidget* menu_panel)
+{
+	FtkWidget* item = ftk_menu_item_create(menu_panel);
+	ftk_widget_set_text(item, _("Quit"));
+	ftk_menu_item_set_clicked_listener(item, ftk_calc_on_shutdown, ctx);
+	ftk_widget_show(item, 1);
+
+	return RET_OK;
+}
+
+static Ret ftk_calc_on_button_clicked(void* ctx, void* obj)
+{
+	FtkWidget* entry = ftk_widget_lookup(ctx, IDC_ENTRY);
+	const char* text = ftk_widget_get_text(obj);
+	return_val_if_fail(text != NULL && entry != NULL, RET_FAIL);
+	
+	if(text[0] == '=')
+	{
+		char buff[32] = {0};
+		double val = ftk_expr_eval(ftk_entry_get_text(entry));
+		ftk_snprintf(buff, sizeof(buff), "%lf", val);
+		ftk_entry_set_text(entry, buff);
+	}
+	else if(text[0] == '<')
+	{
+		ftk_entry_set_text(entry, "");
+	}
+	else if(text[0] == 'Q' || strcmp(text, _("Quit")) == 0)
+	{
+		ftk_widget_unref(ctx);
+	}
+	else
+	{
+		ftk_entry_insert_text(entry, -1, text);
+	}
+
+	return RET_OK;
+}
+
+static FtkBitmap* ftk_app_calc_get_icon(FtkApp* thiz)
+{
+	DECL_PRIV(thiz, priv);
+	const char* name="calc.png";
+	char file_name[FTK_MAX_PATH + 1] = {0};
+	return_val_if_fail(priv != NULL, NULL);
+	
+	if(priv->icon != NULL) return priv->icon;
+	
+	snprintf(file_name, FTK_MAX_PATH, "%s/icons/%s", APP_DATA_DIR, name);
+	priv->icon = ftk_bitmap_factory_load(ftk_default_bitmap_factory(), file_name);
+	if(priv->icon != NULL) return priv->icon;
+
+	snprintf(file_name, FTK_MAX_PATH, "%s/icons/%s", APP_LOCAL_DATA_DIR, name);
+	priv->icon = ftk_bitmap_factory_load(ftk_default_bitmap_factory(), file_name);
+
+	return priv->icon;
+}
+
+static const char* ftk_app_calc_get_name(FtkApp* thiz)
+{
+	return _("Calculator");
+}
+
+static Ret ftk_app_calc_run(FtkApp* thiz, int argc, char* argv[])
+{
+	DECL_PRIV(thiz, priv);
+	FtkWidget* win = NULL;
+	return_val_if_fail(priv != NULL, RET_FAIL);
+
+	win = ftk_calc_create_window();
+	ftk_app_window_set_on_prepare_options_menu(win, ftk_calc_on_prepare_options_menu, win);
+	ftk_widget_show_all(win, 1);
+
+#ifdef HAS_MAIN
+	FTK_QUIT_WHEN_WIDGET_CLOSE(win);
+#endif	
+
+	return RET_OK;
+}
+
+static void ftk_app_calc_destroy(FtkApp* thiz)
+{
+	if(thiz != NULL)
+	{
+		DECL_PRIV(thiz, priv);
+		ftk_bitmap_unref(priv->icon);
+		FTK_FREE(thiz);
+	}
+
+	return;
+}
+
+FtkApp* ftk_app_calc_create(void)
+{
+	FtkApp* thiz = FTK_ZALLOC(sizeof(FtkApp) + sizeof(PrivInfo));
+
+	if(thiz != NULL)
+	{
+		thiz->run  = ftk_app_calc_run;
+		thiz->get_icon = ftk_app_calc_get_icon;
+		thiz->get_name = ftk_app_calc_get_name;
+		thiz->destroy = ftk_app_calc_destroy;
+	}
+
+	return thiz;
+}
+

examples/module/ftk_calculator/ftk_app_calc.h

+#ifndef FTK_APP_CALC_H
+#define FTK_APP_CALC_H
+
+#include "ftk_app.h"
+
+FTK_BEGIN_DECLS
+
+FtkApp* ftk_app_calc_create(void);
+
+FTK_END_DECLS
+
+#endif/*FTK_APP_CALC_H*/
+