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            ShowCategory200Screen

            Posted on 2009-12-19 10:59 ~William~ 閱讀(586) 評論(0)  編輯 收藏 引用 所屬分類: MTK_MMI

            MTK: ShowCategory200Screen() 收藏
             
            說明:

            1.所有的ShowScreen都有2個ID:Screen ID(EntryNewScreen()函數中設置的ID),以及模板ID(Category ID)。

            2.所有的窗口模板的基本設置都保存在一個全局變量:g_categories_controls_map中。它的結構是:

            typedef struct

            {

                U16 category_id;                           模板ID號

                U8 *control_set_p;                        這個模板的組件指針

                S16 *default_coordinate_set_p;   這個模板中各組件屬性的指針

                S16 *rotated_coordinate_set_p;  其他特殊屬性指針

            } dm_category_id_control_set_map_struct;

             

            例如Category200:{MMI_CATEGORY200_ID, (U8 *) category200, (S16 *) coordinate_set200, NULL},

            組件:

            const U8 category200[] =

            {

                5,

                DM_BASE_LAYER_START,

                DM_SCR_BG,

                DM_BASE_CONTROL_SET1,

                DM_CATEGORY_CONTROLLED_AREA,

                DM_SINGLELINE_INPUTBOX1

            };

            屬性:

            const S16 coordinate_set200[] =

            {

                DM_FULL_SCREEN_COORDINATE_FLAG,

                DM_CONTENT_COORDINATE_FLAG,

                26,

                   MAIN_LCD_DEVICE_HEIGHT - MMI_BUTTON_BAR_HEIGHT - MMI_SINGLELINE_INPUTBOX_HEIGHT - 2,

                   MAIN_LCD_DEVICE_WIDTH - 29,

                   MMI_SINGLELINE_INPUTBOX_HEIGHT,

                   DM_NO_FLAGS

            };

             

            3.一個Screen ID的屬性變量:g_screenid_coordinate_sets_map[]。其中只包含了幾個Screen的屬性指針,可能是用來設置一些特殊窗口的屬性。結構是:

            typedef struct

            {

                S32 screen_id;

                S16 *coordinate_set_p;

            } dm_screen_id_coordinate_set_map_struct;

             

            4.2個函數:

            (1)U8 *dm_search_control_set(S32 category_id, S16 **default_coordinate_set_p)

                   獲取某個模板的組件和組件屬性指針。

            (2)S16 *dm_search_coordinate_set(S32 ScrId)

                   獲取Screen ID的屬性指針。

            進入ShowCategory200Screen():MTK的電話簿快速查詢

            ShowCategory200Screen()

                   dm_data_struct dm_data;             定義變量,賦值后,帶入全局變量:g_dm_data。最后在dm_redraw_category_screen()中使用。

                  

                   gdi_layer_lock_frame_buffer();     鎖屏

                  

                   create_fixed_icontext_menuitems();     設置fixed list menuitem的公共屬性MMI_fixed_icontext_menuitem,以及每個menuitems: MMI_fixed_icontext_menuitems[i]和指針

                                                                           MMI_fixed_menuitem_pointers[i]

                   associate_fixed_icontext_list();            把上面設置的menuitems與框架MMI_fixed_list_menu結合起來,設置icontext的menuitem的接口函數。

                   init_dynamic_item_buffer(number_of_items, get_item_func, get_hint_func, UI_dummy_function);       裝載動態menuitem:dynamic_item_buffer:獲取item,hint的函數,以及開始,結束,

                                                                           總的items數目;并調用函數設置MMI_fixed_icontext_menuitems[]中的每個menuitem。

                   設置shotcut位置MMI_menu_shortcut_box。

                   register_dynamic_list_keys()           注冊方向鍵的響應。

                   resize_fixed_list(240,191)             設置icontext menuitem框架的位置尺寸,以及fixed list和滾動條的位置尺寸

                   設置輸入框的位置尺寸

                   dynamic_list_goto_item_no_redraw(highlighted_item = 0);

                          gui_dynamic_list_menu_goto_item(&MMI_fixed_list_menu, item_index);

                                 gui_dynamic_list_menu_locate_highlighted_item(m);

                   wgui_setup_singleline_inputbox()    設置輸入框,包括信息框

                          SetKeyHandler(wgui_handle_qsearch_singleline_inputbox_change_input_mode, KEY_POUND, KEY_EVENT_DOWN);       #鍵改變輸入法

                   gui_set_single_line_input_box_theme(&MMI_singleline_inputbox, &cat200_singleline_inputbox_theme);                                   輸入框主題

                   resize_dynamic_icontext_menuitems_to_list_width();

                   set_fixed_icontext_positions                設置icontext的icon和text 的坐標

                   singleline_inputbox_input_callback();    右軟件標簽

                   設置左軟件標簽

                   gdi_layer_unlock_frame_buffer();        解屏

                   ExitCategoryFunction = ExitCategory200Screen;

                dm_setup_category_functions(dm_redraw_category_screen, GetCategory200History, GetCategory200HistorySize);   /* 102605 quick search history Calvin add */

                dm_data.s32flags = DM_CLEAR_SCREEN_BACKGROUND;           設置dm_data

                dm_data.s32flags |= DM_SHOW_VKPAD;

                dm_data.s32ScrId = (S32) GetActiveScreenId();

                dm_data.s32CatId = MMI_CATEGORY200_ID;

                dm_setup_data(&dm_data);                                                           設置g_dm_data

                   dm_register_category_controlled_callback(RedrawCategoryControlledArea200Screen);          注冊控制區域的CBACK函數

                   dm_register_vkpad_callback(cat200_virtual_keypad_callback);                                            畫虛擬鍵盤的CBACK

                   dm_redraw_category_screen();

                  

            dm_redraw_category_screen()

                   S16 *UICtrlAccessPtr_p = NULL, *DeafultCoordinateSet_p = NULL;      Category200模板的組件屬性指針

                   U8 *control_set_ptr = NULL;                                                               Category200模板的組件指針

                   control_set_ptr = dm_search_control_set((U16) g_dm_data.s32CatId, &DeafultCoordinateSet_p);        獲取模板200的組件和組件默認屬性指針

                   u8NoOfUICtrls = control_set_ptr[0];           組件第一個參數是組件個數

                  

                   UICtrlAccessPtr_p = dm_search_coordinate_set(g_dm_data.s32ScrId);    獲取組件屬性。即:UICtrlAccessPtr_p是組件屬性指針,如果UICtrlAccessPtr_p為空,就設置為默認屬性。

                   gdi_layer_lock_frame_buffer();

                   UICtrlAccessPtr_p = dm_get_cat_scr_coordinates(UICtrlAccessPtr_p, &dm_cat_scr_info);          Get category screen size,在畫組件之前,根據屬性要獲取這個窗口的大小。

                                                                                         此時,屬性指針下移一個位置,指向下一個屬性。

                  

                   gdi_layer_set_active(GDI_LAYER_MAIN_BASE_LAYER_HANDLE);      設置基本層

                   gui_set_clip(dm_cat_scr_info.x1, dm_cat_scr_info.y1, dm_cat_scr_info.x2, dm_cat_scr_info.y2);       設置窗口剪切區

                   gdi_draw_solid_rect(0, 0, UI_device_width - 1, UI_device_height - 1, GDI_COLOR_TRANSPARENT);      畫背景

                  

                   for (u8CtrlCt = 1; u8CtrlCt <= u8NoOfUICtrls; u8CtrlCt++)      開始畫組件

                   {

                          switch (control_set_ptr[u8CtrlCt])       判斷組件

                          {

                                 case DM_BASE_LAYER_START:

                        {

                            if (redraw_type != REDRAW_2_REDRAW)

                            {

                                dm_setup_base_layer();

                            }

                            break;

                        }

                                 case DM_BASE_CONTROL_SET1:

                        {

                            dm_setup_and_draw_base_control_set(&UICtrlAccessPtr_p);          畫基本組件:status, title, button

                                               control_set_ptr = dm_get_base_control_set();                          獲取基本組件指針

                                            UICtrlAccessPtr_p = dm_get_base_coordinate_set();                獲取基本組件屬性

                                               u8NoOfUICtrls = control_set_ptr[0];

                                            for (u8CtrlCt = 1; u8CtrlCt <= u8NoOfUICtrls; u8CtrlCt++)

                                               {    

                                                      畫3個基本組件。注意要傳進入屬性指針作為參數。因為在畫的時候,要根據組件屬性,去獲取坐標等參數。

                                                      dm_setup_and_draw_status_icons(&UICtrlAccessPtr_p);

                                                      dm_setup_and_draw_title(&UICtrlAccessPtr_p);

                                                      dm_setup_and_draw_button_bar(&UICtrlAccessPtr_p);

                                               }

                            break;

                        }

                                 case DM_CATEGORY_CONTROLLED_AREA:

                        {

                            dm_setup_and_draw_category_controlled_area(&UICtrlAccessPtr_p);

                                               *UICtrlAccessPtr_p = dm_get_coordinates(*UICtrlAccessPtr_p, &dm_category_controlled_area_info);       根據屬性輸入坐標

                                               (*dm_category_controlled_area_callback) (&dm_category_controlled_area_info);    即注冊的CBACK:RedrawCategoryControlledArea200Screen()

                                                      gdi_layer_lock_frame_buffer();     鎖屏

                                                      wgui_redraw_singleline_input_information_bar();       畫輸入法提示框

                                                      show_dynamic_list();                                              畫fixed list menu

                                                      gui_draw_rectangle()                                               畫輸入框

                                                      gui_show_image()                                              輸入框前面的image

                                                      gdi_layer_unlock_frame_buffer();

                                                   gdi_layer_blt_previous(0, 0, UI_device_width - 1, UI_device_height - 1);

                            break;

                        }

                                 case DM_SINGLELINE_INPUTBOX1:

                        {

                            dm_setup_and_draw_singleline_inputbox(&UICtrlAccessPtr_p);

                                               *UICtrlAccessPtr_p = dm_get_coordinates(*UICtrlAccessPtr_p, &dm_singleline_inputbox_info);         根據屬性,獲取坐標

                                               show_singleline_inputbox();

                            break;

                        }

                          }

                   }     到for退出后,所有的控件就畫好了

                  

                   gdi_layer_unlock_frame_buffer();

                   gdi_layer_blt()

             

            本文來自CSDN博客,轉載請標明出處:http://blog.csdn.net/xqq2009/archive/2009/09/13/4546713.aspx

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