window.h

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#ifndef __CH_WINDOW_H__
#define __CH_WINDOW_H__
 
#include <stdint.h>
#include "..\chitralekha.h"
#include "..\color.h"
#include "..\draw.h"
#include "base.h"
#include "list.h"
#include <setjmp.h>
 
#define CHITRALEKHA_DEFAULT_WIN_WIDTH  400
#define CHITRALEKHA_DEFAULT_WIN_HEIGHT 300
#define CHITRALEKHA_WINDOW_DEFAULT_PAD_Y 26
#define CHITRALEKHA_WINDOW_DEFAULT_PAD_X 1
 
#define WINDOW_GLOBAL_CONTROL_CLOSE 1
#define WINDOW_GLOBAL_CONTROL_MAXIMIZE 2
#define WINDOW_GLOBAL_CONTROL_MINIMIZE 3
#define WINDOW_GLOBAL_CONTROL_CUSTOM 4
 
#define WINDOW_FLAG_MOVABLE (1<<0)
#define WINDOW_FLAG_STATIC  (1<<1)
#define WINDOW_FLAG_ALWAYS_ON_TOP  (1<<2)
#define WINDOW_FLAG_NON_RESIZABLE  (1<<3)
#define WINDOW_FLAG_BROADCAST_LISTENER (1<<4)
#define WINDOW_FLAG_ANIMATED (1<<5)
#define WINDOW_FLAG_BLOCKED (1<<6)
#define WINDOW_FLAG_MESSAGEBOX (1<<7)
#define WINDOW_FLAG_DIALOGBOX (1<<8)
#define WINDOW_FLAG_ANIMATION_FADE_IN (1<<9)
#define WINDOW_FLAG_ANIMATION_FADE_OUT (1<<10)
#define WINDOW_FLAG_POPUP (1<<11)
 
#define CHITRALEKHA_WIDGET_TYPE_CONTROL (1<<1)
#define CHITRALEKHA_WIDGET_TYPE_POPUP (1<<2)
 
#define CHITRALEKHA_WIDGET_SCROLL_HORIZONTAL 0
#define CHITRALEKHA_WIDGET_SCROLL_VERTICAL 1
 
#define WINDOW_HANDLE_TYPE_NORMAL 1
#define WINDOW_HANDLE_TYPE_POPUP 2
 
//#pragma pack(push,1)
    typedef struct _ChSharedWin_ {
        ChRect rect[256];
        uint32_t rect_count;
        bool dirty;
        bool updateEntireWindow;
        int x;
        int y;
        int width;
        int height;
        bool alpha;
        bool hide;
        double alphaValue;
        bool windowReady;
    }ChSharedWinInfo;
//#pragma pack(pop)
 
    typedef struct _chwin_ {
        uint16_t flags;
        uint32_t *buffer;
        void* sharedwin;
        ChCanvas* canv;
        char* title;
        ChSharedWinInfo* info;
        ChitralekhaApp* app;
        uint32_t handle;
        uint32_t color;
        bool focused;
        list_t* GlobalControls;
        list_t* widgets;
        list_t* subwindow;
        list_t* popup;
        struct _chwin_* parent;
        void* currentPopupMenu; //points to currently working menu
        void* selectedMenuItem;
        void* focusedWidget;
        jmp_buf jump;
        void(*ChWinPaint)(struct _chwin_ *win);
        void(*ChCloseWin)(struct _chwin_* win);
    }ChWindow;
 
    typedef struct _ChWidget_{
        int x;
        int y;
        int w;
        int h;
        int lastMouseX;
        int lastMouseY;
        bool clicked;
        bool hover;
        bool hoverPainted;
        bool KillFocus;
        bool visible;
        bool touched;
        uint8_t type;
        void(*ChActionHandler)(struct _ChWidget_ *widget,ChWindow* win);
        void(*ChMouseEvent)(struct _ChWidget_* widget,ChWindow* win, int x, int y, int button);
        void(*ChTouchEvent)(struct _ChWidget_* widget, ChWindow* win, int x, int y);
        void(*ChScrollEvent)(struct _ChWidget_* widget, ChWindow* win, int scrollval, uint8_t scrolltype);
        void(*ChPaintHandler)(struct _ChWidget_* widget,ChWindow* win);
        void(*ChDestroy)(struct _ChWidget_* widget,ChWindow* win);
    }ChWidget;
 
    typedef struct _global_ctrl_ {
        int x;
        int y;
        int w;
        int h;
        uint8_t type;
        bool hover;
        bool clicked;
        uint32_t fillColor;
        uint32_t outlineColor;
        uint32_t hoverOutlineColor;
        uint32_t clickedFillColor;
        uint32_t clickedOutlineColor;
        void(*ChGlobalButtonPaint)(ChWindow* win, struct _global_ctrl_* glbl);
        void(*ChGlobalMouseEvent) (ChWindow* win, struct _global_ctrl_* glbl, int x, int y, int button);
        void(*ChGlobalTouchEvent) (ChWindow* win, struct _global_ctrl_* glbl, int x, int y);
        void(*ChGlobalActionEvent)(ChWindow* win, struct _global_ctrl_* glbl);
    }ChWinGlobalControl;
 
#pragma pack(push,1)
    typedef struct _popup_sh_win_ {
        ChRect rect[100];
        uint32_t rect_count;
        int x;
        int y;
        int w;
        int h;
        bool dirty;
        bool close;
        bool hide;
        bool popuped;
        bool alpha;
    }ChPopupSharedWin;
#pragma pack(pop)
 
    typedef struct _popup_win_ {
        ChWidget wid;
        ChPopupSharedWin* shwin;
        uint32_t* buffer;
        uint16_t shwinKey;
        uint16_t buffWinKey;
        list_t *widgets;
        int handle;
        ChCanvas* canv;
        bool hidden;
        void(*ChPopupWindowPaint)(struct _popup_win_ *pwin, ChWindow* win);
    }ChPopupWindow;
 
#ifdef __cplusplus
    XE_EXTERN{
#endif
 
    /*
    * ChCreateWindow -- create a new chitralekha window
    * @param app -- pointer to Chitralekha app
    * @param attrib -- window attributes
    * @param title -- title of the window
    * @param x -- x position of the window
    * @param y -- y position of the window
    * @param w -- width of the window
    * @param h -- height of the window
    */
    XE_LIB ChWindow* ChCreateWindow(ChitralekhaApp *app, uint16_t attrib, char* title, int x, int y, int w, int h);
 
    /*
    * ChWindowAddSubWindow -- add sub window to parent window list
    * @param parent -- Pointer to main window
    * @param win -- Pointer to sub window
    */
    XE_LIB void ChWindowAddSubWindow(ChWindow* parent, ChWindow* win);
 
    /*
    * ChWindowBroadcastIcon -- broadcast icon information to
    * broadcast listener
    * @param app -- pointer to chitralekha application
    * @param iconfile -- path of the icon file, supported formats
    * are : 32bit- bmp file
    */
    XE_LIB void ChWindowBroadcastIcon(ChitralekhaApp* app, char* iconfile);
 
    /*
    * ChWindowPaint -- paint the entire window
    * @param win -- Pointer to window
    */
    XE_LIB void ChWindowPaint(ChWindow* win);
 
    /*
    * ChWindowUpdate -- update a portion or whole window
    * @param win -- Pointer to window
    * @param x -- x position of the dirty area
    * @param y -- y position of the dirty area
    * @param w - width of the dirty area
    * @param h -- height of the dirty area
    * @param updateEntireWin -- update entire window
    * @param dirty -- dirty specifies small areas of the window
    */
    XE_LIB void ChWindowUpdate(ChWindow* win, int x, int y, int w, int h, bool updateEntireWin, bool dirty);
 
 
    /*
    * ChWindowHide -- hide the window
    * basically it sends command to deodhai
    * @param win -- Pointer to window structure
    */
    XE_LIB void ChWindowHide(ChWindow* win);
 
    /*
    * ChGetWindowHandle -- get a specific window handle from
    * the system looking by its name
    * @param app -- Pointer to application instance
    * @param title -- desired window title
    */
    XE_LIB uint32_t ChGetWindowHandle(ChitralekhaApp* app, char* title);
    /*
    * ChWindowHandleMouse -- handle mouse event
    * @param win -- Pointer to window
    * @param x -- X coord of the mouse
    * @param y -- Y coord of the mouse
    * @param button -- button state of the mouse
    */
    XE_LIB void ChWindowHandleMouse(ChWindow* win, int x, int y, int button);
 
 
    /*
     * ChWindowHandleTouch -- handle touch event
     * @param win -- Pointer to window
     * @param x -- X coord of the mouse
     * @param y -- Y coord of the mouse
     * @param button -- button state of the mouse
     */
    XE_LIB void ChWindowHandleTouch(ChWindow* win, int x, int y, int button);
 
    /*
 * ChWindowSetFocused -- bring a window to focused state
 * @param win -- Pointer to window
 */
    XE_LIB void ChWindowSetFocused(ChWindow* win);
    /*
    * ChWindowHandleFocus -- handle focus changed events
    * @param win -- Pointer to window
    * @param focus_val -- focus bit, 1 -- focused, 0 -- not focused
    * @param handle -- handle number of the window
    */
    XE_LIB void ChWindowHandleFocus(ChWindow* win, bool focus_val, uint32_t handle);
 
    /*
    * ChWindowGetBackgroundColor -- returns the current
    * background color
    * @param win -- Pointer to Chitralekha Window
    */
    XE_LIB uint32_t ChWindowGetBackgroundColor(ChWindow* win);
 
 
    /*
    * ChWindowAddWidget -- adds a widget to window
    * @param win -- Pointer to root window
    * @param wid -- Pointer to widget needs to be added
    */
    XE_LIB void ChWindowAddWidget(ChWindow* win, ChWidget* wid);
 
    /*
    * ChWindowAddSubWindow -- add sub window to parent window list
    * @param parent -- Pointer to main window
    * @param win -- Pointer to sub window
    */
    XE_LIB void ChWindowAddSubWindow(ChWindow* parent, ChWindow* win);
 
    /*
    * ChGetWindowByHandle -- returns window by looking sub windows list
    * @param mainWin -- pointer to main window
    * @param handle -- Handle of the window
    */
    XE_LIB ChWindow* ChGetWindowByHandle(ChWindow* mainWin, int handle);
 
    /*
    * ChGetPopupWindowByHandle -- looks for popup window by its handle
    * @param mainWin -- Pointer to main window
    * @param handle -- Handle of the popup window
    */
    XE_LIB ChWindow* ChGetPopupWindowByHandle(ChWindow* mainWin, int handle);
 
    /*
    * ChPopupWindowHandleMouse -- Handle popup window's mouse event externally
    * @param win -- Pointer to popup window
    * @param mainWin -- Pointer to main Window
    * @param x -- Mouse x coordinate
    * @param y -- Mouse y coordinate
    * @param button -- Mouse button state
    */
    XE_LIB void ChPopupWindowHandleMouse(ChWindow* win,int x, int y, int button);
 
    /*
    * ChWindowSetFlags -- set window flags
    * @param win -- Pointer to window
    * @param flags -- flags to set
    */
    XE_LIB void ChWindowSetFlags(ChWindow* win, uint16_t flags);
 
    /*
     * ChWindowMove -- moves target window to a new location
     * @param win -- Pointer to the window
     * @param newX -- new x location relative to screen coord
     * @param newY -- new y location relative to screen coord
     */
    XE_LIB void ChWindowMove(ChWindow* win, int newX, int newY);
 
    /*
    * ChWindowRegisterJump -- register long jump address
    * @param win -- Pointer to main window
    */
    XE_LIB void ChWindowRegisterJump(ChWindow* win);
 
    /*
    * ChWindowCloseWindow -- clears window related data and
    * sends close message to deodhai
    * @param win -- Pointer to window data
    */
    XE_LIB void ChWindowCloseWindow(ChWindow* win);
 
    /*
    * ChCreatePopupWindow -- *Create a popup window
    * @param app -- Pointer to application
    * @param win -- Pointer to Window
    * @param x -- X coordinate
    * @param y -- Y coordinate
    * @param w -- Width of the window
    * @param h -- Height of the window
    * @param type -- type of the window
    */
    XE_LIB ChWindow* ChCreatePopupWindow(ChWindow* win, int x, int y, int w, int h, uint16_t flags, char* title);
 
    /*
    * ChPopupWindowUpdate -- update the popup window
    * @param pw -- Pointer to Chitralekha Popup Window
    * @param x -- X location
    * @param y -- Y location
    * @param w -- Width of the popup window
    * @param h -- Height of the popup window
    */
    XE_LIB void ChPopupWindowUpdate(ChPopupWindow* pw, int x, int y, int w, int h);
 
    /*
    * ChPopupWindowShow -- show the popup window
    * @param pw -- Pointer to Popup Window
    * @param win -- Pointer to Chitralekha Main Window
    */
    XE_LIB void ChPopupWindowShow(ChWindow* pw, ChWindow* win);
 
    /*
    * ChPopupWindowUpdateLocation -- update the location of popup window relative to
    * main window
    * @param pwin -- Pointer to Popup Window
    * @param win -- Pointer to Main Window
    * @param x -- X location
    * @param y -- Y location
    */
    XE_LIB void ChPopupWindowUpdateLocation(ChWindow* pwin, ChWindow* win, int x, int y);
 
    /*
    * ChPopupWindowHide -- hide the popup window
    * @param pw -- Pointer to Popup Window
    * @param perent -- Parent Window
    */
    XE_LIB void ChPopupWindowHide(ChWindow* pw, ChWindow* parent);
 
#ifdef __cplusplus
}
#endif
 
#endif