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kolibrios/programs/develop/libraries/libGUI/SRC/control_scrolled_window.inc

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/*
control ScrolledWindow
*/
////////////////////////////////////////////////////////////////////////
// pack controls in ScrolledWindow
////////////////////////////////////////////////////////////////////////
void ScrolledWindowPackControls(void *parent,void *Control)
{
struct HEADER *control;
struct ControlScrolledWindow *ScrolledWindow;
struct ControlScrollBar *HorizontalScrollBar;
struct ControlScrollBar *VerticalScrollBar;
struct FINITION *fin;
int x,y;
ScrolledWindow=(struct ControlScrolledWindow*)parent;
control=(struct HEADER *)Control;
if (control->ctrl_x+control->ctrl_sizex>ScrolledWindow->virtual_sizex)
{
ScrolledWindow->virtual_sizex=control->ctrl_x+control->ctrl_sizex;
}
if (control->ctrl_y+control->ctrl_sizey>ScrolledWindow->virtual_sizey)
{
ScrolledWindow->virtual_sizey=control->ctrl_y+control->ctrl_sizey;
}
PackControls(ScrolledWindow,control);
//calculate new control coordinates
x=control->ctrl_x+1;//add border width
y=control->ctrl_y+1;//add border heght
SetControlNewPosition(control,x,y);
//save coordinates of control in arrea
ScrolledWindow->virtual_controls_x[ScrolledWindow->number_virtual_controls]=x;
ScrolledWindow->virtual_controls_y[ScrolledWindow->number_virtual_controls]=y;
ScrolledWindow->number_virtual_controls++;
x=ScrolledWindow->ctrl_x+1;
y=ScrolledWindow->ctrl_y+1;
//check cross control with scroll arrea
if (CheckCrossRectangles(x,y,ScrolledWindow->scroll_arrea_sizex,ScrolledWindow->scroll_arrea_sizey,
control->ctrl_x,control->ctrl_y,control->ctrl_sizex,control->ctrl_sizey)==TRUE)
{
control->flags=control->flags | FLAG_SHOW_CONTROL;
control->flags=control->flags & FLAG_MOUSE_BLOCKED_OFF;
}
else
{
control->flags=control->flags & FLAG_HIDE_CONTROL;
control->flags=control->flags | FLAG_MOUSE_BLOCKED_ON;
}
if (ScrolledWindow->virtual_sizex>ScrolledWindow->scroll_arrea_sizex)
{
HorizontalScrollBar=(struct ControlScrollBar*)ScrolledWindow->horizontal_scroll;
if ((ScrolledWindow->scw_flags & FLAG_SCROLL_WIN_HORIZONTAL_SCROLL_ON)==FALSE)
{
ScrolledWindow->scroll_arrea_sizey=ScrolledWindow->ctrl_sizey-16-2;
ScrolledWindow->scw_flags=ScrolledWindow->scw_flags | FLAG_SCROLL_WIN_HORIZONTAL_SCROLL_ON;
HorizontalScrollBar->flags=HorizontalScrollBar->flags | FLAG_SHOW_CONTROL;
HorizontalScrollBar->flags=HorizontalScrollBar->flags & FLAG_MOUSE_BLOCKED_OFF;
}
}
if (ScrolledWindow->virtual_sizey>ScrolledWindow->scroll_arrea_sizey)
{
VerticalScrollBar=(struct ControlScrollBar*)ScrolledWindow->vertical_scroll;
if ((ScrolledWindow->scw_flags & FLAG_SCROLL_WIN_VERTICAL_SCROLL_ON)==FALSE)
{
ScrolledWindow->scroll_arrea_sizex=ScrolledWindow->ctrl_sizex-16-2;
ScrolledWindow->scw_flags=ScrolledWindow->scw_flags | FLAG_SCROLL_WIN_VERTICAL_SCROLL_ON;
VerticalScrollBar->flags=VerticalScrollBar->flags | FLAG_SHOW_CONTROL;
VerticalScrollBar->flags=VerticalScrollBar->flags & FLAG_MOUSE_BLOCKED_OFF;
}
}
if (ScrolledWindow->scw_flags & FLAG_SCROLL_WIN_HORIZONTAL_SCROLL_ON)
{
HorizontalScrollBar->ruller_size=(float)ScrolledWindow->scroll_arrea_sizex;
HorizontalScrollBar->ruller_size=HorizontalScrollBar->ruller_size/((float)ScrolledWindow->virtual_sizex);
}
if (ScrolledWindow->scw_flags & FLAG_SCROLL_WIN_VERTICAL_SCROLL_ON)
{
VerticalScrollBar->ruller_size=(float)ScrolledWindow->scroll_arrea_sizey;
VerticalScrollBar->ruller_size=VerticalScrollBar->ruller_size/((float)ScrolledWindow->virtual_sizey);
}
//finit draw arrea for control
fin=(struct FINITION*)control->finition;
fin->x=ScrolledWindow->ctrl_x+1;
fin->y=ScrolledWindow->ctrl_y+1;
fin->sizex=ScrolledWindow->scroll_arrea_sizex;
fin->sizey=ScrolledWindow->scroll_arrea_sizey;
fin->flags=fin->flags | FINITION_ON;
}
////////////////////////////////////////////////////////////////////////////////
// Draw full Scrolled Window
////////////////////////////////////////////////////////////////////////////////
void ScrollWin_FuncCallback_HVScroll(struct HEADER* control,void *data)
{
struct ControlScrollBar *Hscrollbar,*Vscrollbar;
struct ControlScrolledWindow *ScrolledWindow;
struct HEADER *seek_control,*exchange_control;
struct MESSAGE local_message;
struct FINITION *fin;
int i,new_x,new_y,x,y,sizex,sizey;
char c;
char *save_buf,*buf;
int save_size_x,save_size_y;
DWORD draw_output;
ScrolledWindow=(gui_scrolled_window_t*)data;
Hscrollbar=(gui_scroll_bar_t*)ScrolledWindow->horizontal_scroll;
Vscrollbar=(gui_scroll_bar_t*)ScrolledWindow->vertical_scroll;
ScrolledWindow->virtual_x=(ScrolledWindow->virtual_sizex-ScrolledWindow->scroll_arrea_sizex)*Hscrollbar->ruller_pos;
ScrolledWindow->virtual_y=(ScrolledWindow->virtual_sizey-ScrolledWindow->scroll_arrea_sizey)*Vscrollbar->ruller_pos;
x=ScrolledWindow->ctrl_x+1;
y=ScrolledWindow->ctrl_y+1;
sizex=ScrolledWindow->scroll_arrea_sizex;
sizey=ScrolledWindow->scroll_arrea_sizey;
//alocate a buffer for draw text
c=screen.bits_per_pixel >> 3;
i=sizex*sizey*c;
buf=malloc(i);
//save current screen parameters
save_buf=screen.buffer;
save_size_x=screen.size_x;
save_size_y=screen.size_y;
draw_output=screen.draw_output;
//load parameters of local buffer
screen.buffer=buf;
screen.size_x=sizex;
screen.size_y=sizey;
screen.draw_output=DRAW_OUTPUT_BUFFER;
//fill buffer by background color
FillArrea(buf,i,screen.bits_per_pixel,COLOR_LIGHT);
local_message.type=MESSAGE_FULL_REDRAW_ALL_WITH_FINITION;
local_message.arg1=0;
local_message.arg2=0;
local_message.arg3=sizex;
local_message.arg4=sizey;
seek_control=(struct HEADER*)Vscrollbar->ctrl_fd;
//move controls in new position
for(i=0;i<ScrolledWindow->number_virtual_controls;i++)
{
new_x=ScrolledWindow->virtual_controls_x[i]-ScrolledWindow->virtual_x;
new_y=ScrolledWindow->virtual_controls_y[i]-ScrolledWindow->virtual_y;
SetControlNewPosition(seek_control,new_x,new_y);
if (CheckCrossRectangles(x,y,sizex,sizey,new_x,new_y,
seek_control->ctrl_sizex,
seek_control->ctrl_sizey)==TRUE)
{
seek_control->flags=seek_control->flags | FLAG_SHOW_CONTROL;
seek_control->flags=seek_control->flags & FLAG_MOUSE_BLOCKED_OFF;
//move control
SetControlNewPosition(seek_control,new_x-x,new_y-y);
//call draw control in buffer
ControlProc=(void (*)(void *Control,struct MESSAGE *message))seek_control->ctrl_proc;
ControlProc(seek_control,&local_message);
//restore last position of control
SetControlNewPosition(seek_control,new_x,new_y);
//restore coordinates of last finition of control
fin=(finition_t*)seek_control->finition;
fin->x=x;
fin->y=y;
}
else
{
seek_control->flags=seek_control->flags & FLAG_HIDE_CONTROL;
seek_control->flags=seek_control->flags | FLAG_MOUSE_BLOCKED_ON;
}
exchange_control=(struct HEADER*)seek_control->ctrl_fd;
seek_control=exchange_control;
}
//restore screen parameters
screen.buffer=save_buf;
screen.size_x=save_size_x;
screen.size_y=save_size_y;
screen.draw_output=draw_output;
//move rendered objects from local buffer to screen
fin=(finition_t*)ScrolledWindow->finition;
if (fin->flags & FINITION_ON)
DrawImageFinit(fin,x,y,sizex,sizey,screen.bits_per_pixel,buf);
else
DrawImage(x,y,sizex,sizey,screen.bits_per_pixel,buf);
//free local buffer
free(buf);
}
void DrawScrolledWindow(struct ControlScrolledWindow *ScrolledWindow)
{
int x,y,sizex,sizey;
struct FINITION *fin;
x=ScrolledWindow->ctrl_x;
y=ScrolledWindow->ctrl_y;
sizex=ScrolledWindow->ctrl_sizex;
sizey=ScrolledWindow->ctrl_sizey;
fin=(struct FINITION*)ScrolledWindow->finition;
if ((ScrolledWindow->scw_flags & FLAG_SCROLL_WIN_HORIZONTAL_SCROLL_ON) ||
(ScrolledWindow->scw_flags & FLAG_SCROLL_WIN_VERTICAL_SCROLL_ON))
{
Draw(fin,TOOL_RECTANGLE,x,y,ScrolledWindow->scroll_arrea_sizex+2,
ScrolledWindow->scroll_arrea_sizey+2,COLOR_ABSOLUTE_DARK);
}
else
Draw(fin,TOOL_RECTANGLE,x,y,sizex,sizey,COLOR_ABSOLUTE_DARK);
ScrollWin_FuncCallback_HVScroll(NULL,ScrolledWindow);
}
void ScrlWinCheckActivatedForKeysControl(struct ControlScrolledWindow *ScrolledWindow)
{
struct HEADER *control,*seek_control,*exchange_control;
struct MESSAGE local_message;
struct FINITION *fin;
struct ControlScrollBar *Vscrollbar,*Hscrollbar;
int i,x,y,sizex,sizey;
int sx,sy;
control=(struct HEADER*)ScrolledWindow->active_control_for_keys;
x=ScrolledWindow->ctrl_x+1;
y=ScrolledWindow->ctrl_y+1;
sizex=ScrolledWindow->scroll_arrea_sizex;
sizey=ScrolledWindow->scroll_arrea_sizey;
if (CheckFullCrossRectangles(x,y,sizex,sizey,
control->ctrl_x,control->ctrl_y,control->ctrl_sizex,control->ctrl_sizey)==TRUE) return;
//calculate new x and y coordinates
if (ScrolledWindow->scw_flags & FLAG_SCROLL_WIN_HORIZONTAL_SCROLL_ON)
{
sx=(control->ctrl_x-x);
if (sx<0) sx=x;
else
{
if (control->ctrl_sizex<sizex) sx=x+sizex-control->ctrl_sizex;
else sx=x;
}
}
if (ScrolledWindow->scw_flags & FLAG_SCROLL_WIN_VERTICAL_SCROLL_ON)
{
sy=(control->ctrl_y-y);
if (sy<0) sy=y;
else
{
if (control->ctrl_sizey<sizey) sy=y+sizey-control->ctrl_sizey;
else sy=y;
}
}
Vscrollbar=(struct ControlScrollBar*)ScrolledWindow->vertical_scroll;
Hscrollbar=(struct ControlScrollBar*)ScrolledWindow->horizontal_scroll;
//find active control and virtual control coordinates
seek_control=(struct HEADER*)Vscrollbar->ctrl_fd;
for(i=0;i<ScrolledWindow->number_virtual_controls;i++)
{
if (seek_control==control)
{
if (ScrolledWindow->scw_flags & FLAG_SCROLL_WIN_HORIZONTAL_SCROLL_ON)
ScrolledWindow->virtual_x=ScrolledWindow->virtual_controls_x[i]-sx;
if (ScrolledWindow->scw_flags & FLAG_SCROLL_WIN_VERTICAL_SCROLL_ON)
ScrolledWindow->virtual_y=ScrolledWindow->virtual_controls_y[i]-sy;
break;
}
exchange_control=(struct HEADER*)seek_control->ctrl_fd;
seek_control=exchange_control;
}
if (ScrolledWindow->scw_flags & FLAG_SCROLL_WIN_HORIZONTAL_SCROLL_ON)
{
Hscrollbar->ruller_pos=(float)ScrolledWindow->virtual_x;
Hscrollbar->ruller_pos=Hscrollbar->ruller_pos/((float)(ScrolledWindow->virtual_sizex-ScrolledWindow->scroll_arrea_sizex));
SpecialRedrawControl(Hscrollbar);
}
if (ScrolledWindow->scw_flags & FLAG_SCROLL_WIN_VERTICAL_SCROLL_ON)
{
Vscrollbar->ruller_pos=(float)ScrolledWindow->virtual_y;
Vscrollbar->ruller_pos=Vscrollbar->ruller_pos/((float)(ScrolledWindow->virtual_sizey-ScrolledWindow->scroll_arrea_sizey));
SpecialRedrawControl(Vscrollbar);
}
ScrollWin_FuncCallback_HVScroll(NULL,ScrolledWindow);
}
//---------------------------------------------------------------------------------
// control ScrolledWindowScrolledWindow->virtual_sizex
//---------------------------------------------------------------------------------
void ScrolledWindowProc(struct ControlScrolledWindow *ScrolledWindow,struct MESSAGE *message)
{
int i,x,y,sizex,sizey;
struct HEADER *seek_control,*exchange_control;
struct ControlScrollBar *Hscrollbar,*Vscrollbar;
struct MESSAGE local_message;
struct FINITION *fin;
struct TIMER *timer;
x=ScrolledWindow->ctrl_x;
y=ScrolledWindow->ctrl_y;
sizex=ScrolledWindow->ctrl_sizex;
sizey=ScrolledWindow->ctrl_sizey;
switch(message->type)
{
case MESSAGE_FULL_REDRAW_ALL:
{
//draw ScrolledWindow
if (ScrolledWindow->flags & FLAG_SHOW_CONTROL)
{
DrawScrolledWindow(ScrolledWindow);
Hscrollbar=(gui_scroll_bar_t*)ScrolledWindow->horizontal_scroll;
Vscrollbar=(gui_scroll_bar_t*)ScrolledWindow->vertical_scroll;
//draw scroll bars
ControlProc=(void (*)(void *Control,gui_message_t *message))Hscrollbar->ctrl_proc;
ControlProc(Hscrollbar,message);
ControlProc=(void (*)(void *Control,gui_message_t *message))Vscrollbar->ctrl_proc;
ControlProc(Vscrollbar,message);
}
break;
}
case MESSAGE_FULL_REDRAW_ALL_WITH_FINITION:
{
fin=(struct FINITION*)ScrolledWindow->finition;
fin->flags=fin->flags | FINITION_ON;
fin->x=message->arg1;
fin->y=message->arg2;
fin->sizex=message->arg3;
fin->sizey=message->arg4;
DrawScrolledWindow(ScrolledWindow);
SendMessage((struct HEADER*)ScrolledWindow,message);//<<<<<<----------------------------------
break;
}
case MESSAGE_SPECIALIZED:
{
if (ScrolledWindow->flags & FLAG_SHOW_CONTROL) SendMessage((struct HEADER*)ScrolledWindow,message);
ScrolledWindow->flags=ScrolledWindow->flags & FLAG_GET_SPECIALIZED_MESSAGE_OFF;
break;
}
case MESSAGE_KEYS_EVENT:
{
if (ScrolledWindow->active_control_for_keys!=NULL) ScrlWinCheckActivatedForKeysControl(ScrolledWindow);
SendMessage((struct HEADER*)ScrolledWindow,message);
break;
}
case MESSAGE_MOUSE_EVENT:
{
SendMessage((struct HEADER*)ScrolledWindow,message);
break;
}
case MESSAGE_CHANGE_POSITION_EVENT:
{
ScrolledWindow->ctrl_x=ScrolledWindow->ctrl_x+message->arg1;
ScrolledWindow->ctrl_y=ScrolledWindow->ctrl_y+message->arg2;
//change virtual coordinates of controls
Vscrollbar=(struct ControlScrollBar*)ScrolledWindow->vertical_scroll;
seek_control=(struct HEADER *)Vscrollbar->ctrl_fd;
for(i=0;i<ScrolledWindow->number_virtual_controls;i++)
{
ScrolledWindow->virtual_controls_x[i]+=message->arg1;
ScrolledWindow->virtual_controls_y[i]+=message->arg2;
fin=(struct FINITION*)seek_control->finition;
fin->x=ScrolledWindow->ctrl_x+1;
fin->y=ScrolledWindow->ctrl_y+1;
fin->sizex=ScrolledWindow->scroll_arrea_sizex;
fin->sizey=ScrolledWindow->scroll_arrea_sizey;
exchange_control=(struct HEADER*)seek_control->ctrl_fd;
seek_control=exchange_control;
}
SendMessage((struct HEADER*)ScrolledWindow,message);
break;
}
case MESSAGE_CALL_TIMER_EVENT:
{
if (ScrolledWindow->timer!=(DWORD*)NULL)
{
timer=(struct TIMER*)ScrolledWindow->timer;
if (timer->flags & FLAG_TIMER_ON) Timer(timer);
}
SendMessage((struct HEADER*)ScrolledWindow,message);
break;
}
case MESSAGE_SET_FOCUSE:
{
//SendMessage((struct HEADER*)ScrolledWindow,message);
break;
}
case MESSAGE_CHANGE_FOCUSE:
{
//SendMessage((struct HEADER*)ScrolledWindow,message);
break;
}
case MESSAGE_DESTROY_CONTROL:
{
if (ScrolledWindow->timer!=(DWORD*)NULL) free(ScrolledWindow->timer);
free(ScrolledWindow->finition);
SendMessage((struct HEADER*)ScrolledWindow,message);
break;
}
case MESSAGE_SET_MAIN_PARENT:
{
SendMessage((struct HEADER*)ScrolledWindow,message);
ScrolledWindow->main_parent=(DWORD*)message->arg1;
break;
}
default: break;
}
}
//---------------------------------------------------------------------------------
// create control ScrolledWindow
//---------------------------------------------------------------------------------
void* CreateScrolledWindow(struct ScrolledWindowData *info_for_control)
{
struct ControlScrolledWindow *ScrolledWindow;
struct FINITION *fin;
struct ControlScrollBar *HorizontalScrollBar;
struct ControlScrollBar *VerticalScrollBar;
struct ScrollBarData HorizontalScrollData;
struct ScrollBarData VerticalScrollData;
ScrolledWindow=malloc(sizeof(struct ControlScrolledWindow));
ScrolledWindow->finition=malloc(sizeof(struct FINITION));
fin=(struct FINITION*)ScrolledWindow->finition;
fin->flags=0;
ScrolledWindow->scw_flags=0;
ID++;
#ifdef DEBUG
printf("\ncreated scrollet window with ID=%d",(int)ID);
#endif
ScrolledWindow->child_bk=(DWORD*)NULL;
ScrolledWindow->child_fd=(DWORD*)NULL;
ScrolledWindow->active_control_for_keys=(DWORD*)NULL;
ScrolledWindow->active_control_for_mouse=(DWORD*)NULL;
ScrolledWindow->callback=(DWORD*)NULL;
ScrolledWindow->timer=(DWORD*)NULL;
ScrolledWindow->ctrl_proc=(DWORD*)&ScrolledWindowProc;
ScrolledWindow->ctrl_x=(DWORD)info_for_control->x;
ScrolledWindow->ctrl_y=(DWORD)info_for_control->y;
ScrolledWindow->ctrl_sizex=(DWORD)info_for_control->width;
ScrolledWindow->ctrl_sizey=(DWORD)info_for_control->height;
ScrolledWindow->ctrl_ID=ID;
ScrolledWindow->virtual_x=0;
ScrolledWindow->virtual_y=0;
ScrolledWindow->virtual_controls_x=malloc(1024*sizeof(DWORD));
ScrolledWindow->virtual_controls_y=malloc(1024*sizeof(DWORD));
ScrolledWindow->virtual_sizex=0;
ScrolledWindow->virtual_sizey=0;
ScrolledWindow->number_virtual_controls=0;
ScrolledWindow->flags=0;
ScrolledWindow->flags=ScrolledWindow->flags | FLAG_SHOW_CONTROL;
ScrolledWindow->flags=ScrolledWindow->flags | FLAG_FOCUSE_INPUT_SUPPOROTE;
//calculate default scroll arrea size
ScrolledWindow->scroll_arrea_sizex=ScrolledWindow->ctrl_sizex-2;
ScrolledWindow->scroll_arrea_sizey=ScrolledWindow->ctrl_sizey-2;
//create child scroll bars
HorizontalScrollData.x=0;
HorizontalScrollData.y=ScrolledWindow->ctrl_sizey-16;
HorizontalScrollData.width=ScrolledWindow->ctrl_sizex-16;
HorizontalScrollData.height=16;
HorizontalScrollData.ruller_size=1.0;
HorizontalScrollData.ruller_pos=0.0;
HorizontalScrollData.ruller_step=0.05;
VerticalScrollData.x=ScrolledWindow->ctrl_sizex-16;
VerticalScrollData.y=0;
VerticalScrollData.width=16;
VerticalScrollData.height=ScrolledWindow->ctrl_sizey-16;
VerticalScrollData.ruller_size=1.0;
VerticalScrollData.ruller_pos=0.0;
VerticalScrollData.ruller_step=0.05;
HorizontalScrollBar=CreateHorizontalScrollBar(&HorizontalScrollData);
VerticalScrollBar=CreateVerticalScrollBar(&VerticalScrollData);
SetCallbackFunction(HorizontalScrollBar,SCROLLBAR_CHANGED_EVENT,&ScrollWin_FuncCallback_HVScroll,ScrolledWindow);
SetCallbackFunction(VerticalScrollBar,SCROLLBAR_CHANGED_EVENT,&ScrollWin_FuncCallback_HVScroll,ScrolledWindow);
PackControls(ScrolledWindow,HorizontalScrollBar);
PackControls(ScrolledWindow,VerticalScrollBar);
ScrolledWindow->horizontal_scroll=(DWORD*)HorizontalScrollBar;
ScrolledWindow->vertical_scroll=(DWORD*)VerticalScrollBar;
//disable show scrollers and block mouse for them
HorizontalScrollBar->flags=HorizontalScrollBar->flags & FLAG_HIDE_CONTROL;
HorizontalScrollBar->flags=HorizontalScrollBar->flags | FLAG_MOUSE_BLOCKED_ON;
VerticalScrollBar->flags=VerticalScrollBar->flags & FLAG_HIDE_CONTROL;
VerticalScrollBar->flags=VerticalScrollBar->flags | FLAG_MOUSE_BLOCKED_ON;
return(ScrolledWindow);
}