haiku/src/servers/app/proto6/WinDecorator.cpp
ejakowatz 52a3801208 It is accomplished ...
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10 a95241bf-73f2-0310-859d-f6bbb57e9c96
2002-07-09 12:24:59 +00:00

442 lines
10 KiB
C++

#include "Layer.h"
#include "DisplayDriver.h"
#include <View.h>
#include "WinDecorator.h"
#include "ColorUtils.h"
//#define DEBUG_DECOR
#ifdef DEBUG_DECOR
#include <stdio.h>
#endif
WinDecorator::WinDecorator(Layer *lay, uint32 dflags, uint32 wlook)
: Decorator(lay, dflags, wlook)
{
#ifdef DEBUG_DECOR
printf("WinDecorator()\n");
#endif
zoomstate=false;
closestate=false;
minstate=false;
taboffset=0;
// These hard-coded assignments will go bye-bye when the system colors
// API is implemented
SetRGBColor(&tab_highcol,100,100,255);
SetRGBColor(&tab_lowcol,40,0,255);
SetRGBColor(&button_highercol,255,255,255);
SetRGBColor(&button_lowercol,0,0,0);
button_highcol=MakeBlendColor(button_lowercol,button_highercol,0.85);
button_midcol=MakeBlendColor(button_lowercol,button_highercol,0.75);
button_lowcol=MakeBlendColor(button_lowercol,button_highercol,0.5);
SetRGBColor(&frame_highercol,216,216,216);
SetRGBColor(&frame_lowercol,110,110,110);
SetRGBColor(&textcol,0,0,0);
frame_highcol=MakeBlendColor(frame_lowercol,frame_highercol,0.75);
frame_midcol=MakeBlendColor(frame_lowercol,frame_highercol,0.5);
frame_lowcol=MakeBlendColor(frame_lowercol,frame_highercol,0.25);
Resize(lay->frame);
textoffset=5;
}
WinDecorator::~WinDecorator(void)
{
#ifdef DEBUG_DECOR
printf("~WinDecorator()\n");
#endif
}
click_type WinDecorator::Clicked(BPoint pt, uint32 buttons)
{
// Clicked is a hit-testing function which is called by each
// decorator object's respective WindowBorder. When a click or
// mouse message is received, we must return to the WindowBorder
// what the click meant to us and the appropriate action for it
// to take.
// the case order is important - we go from smallest to largest
// for efficiency's sake.
if(closerect.Contains(pt))
{
#ifdef DEBUG_DECOR
printf("WinDecorator():Clicked() - Close\n");
#endif
return CLICK_CLOSE;
}
if(zoomrect.Contains(pt))
{
#ifdef DEBUG_DECOR
printf("WinDecorator():Clicked() - Zoom\n");
#endif
return CLICK_ZOOM;
}
if(minrect.Contains(pt))
{
#ifdef DEBUG_DECOR
printf("WinDecorator():Clicked() - Minimize\n");
#endif
return CLICK_MINIMIZE;
}
// Clicking in the tab?
if(tabrect.Contains(pt))
{
// Here's part of our window management stuff
if(buttons==B_PRIMARY_MOUSE_BUTTON && !focused)
return CLICK_MOVETOFRONT;
if(buttons==B_SECONDARY_MOUSE_BUTTON)
return CLICK_MOVETOBACK;
return CLICK_DRAG;
}
// We got this far, so user is clicking on the border?
BRect brect(frame);
brect.top+=19;
BRect clientrect(brect.InsetByCopy(3,3));
if(brect.Contains(pt) && !clientrect.Contains(pt))
{
#ifdef DEBUG_DECOR
printf("WinDecorator():Clicked() - Resize\n");
#endif
if(brect.Contains(pt))
return CLICK_RESIZE;
}
// Guess user didn't click anything
#ifdef DEBUG_DECOR
printf("WinDecorator():Clicked()\n");
#endif
return CLICK_NONE;
}
void WinDecorator::Resize(BRect rect)
{
// Here we determine the size of every rectangle that we use
// internally when we are given the size of the client rectangle.
// Current version simply makes everything fit inside the rect
// instead of building around it. This will change.
#ifdef DEBUG_DECOR
printf("WinDecorator()::Resize()"); rect.PrintToStream();
#endif
frame=rect;
tabrect=frame;
borderrect=frame;
borderrect.top+=19;
tabrect.bottom=tabrect.top+18;
zoomrect=tabrect;
zoomrect.top+=4;
zoomrect.right-=4;
zoomrect.bottom-=4;
zoomrect.left=zoomrect.right-10;
zoomrect.bottom=zoomrect.top+10;
closerect=zoomrect;
zoomrect.OffsetBy(0-zoomrect.Width()-4,0);
minrect=zoomrect;
minrect.OffsetBy(0-zoomrect.Width()-2,0);
}
void WinDecorator::MoveBy(BPoint pt)
{
// Move all internal rectangles the appropriate amount
frame.OffsetBy(pt);
closerect.OffsetBy(pt);
tabrect.OffsetBy(pt);
borderrect.OffsetBy(pt);
zoomrect.OffsetBy(pt);
minrect.OffsetBy(pt);
}
BPoint WinDecorator::GetMinimumSize(void)
{
// This is currently unused, but minsize is the minimum size the
// window may take.
return minsize;
}
void WinDecorator::SetFlags(uint32 wflags)
{
dflags=wflags;
}
void WinDecorator::UpdateFont(void)
{
// This will be updated once font capability is implemented
}
void WinDecorator::UpdateTitle(const char *string)
{
// Designed simply to redraw the title when it has changed on
// the client side.
if(string)
{
driver->SetDrawingMode(B_OP_OVER);
rgb_color tmpcol=driver->HighColor();
driver->SetHighColor(textcol.red,textcol.green,textcol.blue);
driver->DrawString((char *)string,strlen(string),
BPoint(frame.left+textoffset,closerect.bottom-1));
driver->SetHighColor(tmpcol.red,tmpcol.green,tmpcol.blue);
driver->SetDrawingMode(B_OP_COPY);
}
}
void WinDecorator::SetFocus(bool bfocused)
{
// SetFocus() performs necessary duties for color swapping and
// other things when a window is deactivated or activated.
focused=bfocused;
if(focused)
{
SetRGBColor(&tab_highcol,100,100,255);
SetRGBColor(&tab_lowcol,40,0,255);
}
else
{
SetRGBColor(&tab_highcol,220,220,220);
SetRGBColor(&tab_lowcol,128,128,128);
}
}
void WinDecorator::Draw(BRect update)
{
// We need to draw a few things: the tab, the resize thumb, the borders,
// and the buttons
if(tabrect.Intersects(update))
DrawTab();
// Draw the top view's client area - just a hack :)
rgb_color blue={100,100,255,255};
if(borderrect.Intersects(update))
driver->FillRect(borderrect,blue);
DrawFrame();
}
void WinDecorator::Draw(void)
{
// Easy way to draw everything - no worries about drawing only certain
// things
DrawTab();
// Draw the top view's client area - just a hack :)
rgb_color blue={100,100,255,255};
driver->FillRect(borderrect,blue);
DrawFrame();
}
void WinDecorator::DrawZoom(BRect r)
{
// If this has been implemented, then the decorator has a Zoom button
// which should be drawn based on the state of the member zoomstate
DrawBlendedRect(r,zoomstate);
// Draw the Zoom box
driver->StrokeRect(r.InsetByCopy(2,2),textcol);
}
void WinDecorator::DrawClose(BRect r)
{
// Just like DrawZoom, but for a close button
DrawBlendedRect(r,closestate);
// Draw the X
driver->StrokeLine(BPoint(closerect.left+2,closerect.top+2),BPoint(closerect.right-2,
closerect.bottom-2),textcol);
driver->StrokeLine(BPoint(closerect.right-2,closerect.top+2),BPoint(closerect.left+2,
closerect.bottom-2),textcol);
}
void WinDecorator::DrawMinimize(BRect r)
{
// Just like DrawZoom, but for a Minimize button
DrawBlendedRect(r,minstate);
driver->StrokeLine(BPoint(minrect.left+2,minrect.bottom-2),BPoint(minrect.right-2,
minrect.bottom-2),textcol);
}
void WinDecorator::DrawTab(void)
{
// If a window has a tab, this will draw it and any buttons which are
// in it.
if(dlook==WLOOK_NO_BORDER)
return;
rgb_color tmpcol;
float rstep,gstep,bstep;
int steps=tabrect.IntegerWidth();
rstep=float(tab_highcol.red-tab_lowcol.red)/steps;
gstep=float(tab_highcol.green-tab_lowcol.green)/steps;
bstep=float(tab_highcol.blue-tab_lowcol.blue)/steps;
driver->StrokeRect(tabrect,frame_lowcol);
driver->BeginLineArray(steps);
for(float i=1;i<steps; i++)
{
SetRGBColor(&tmpcol, uint8(tab_highcol.red-(i*rstep)),
uint8(tab_highcol.green-(i*gstep)),
uint8(tab_highcol.blue-(i*bstep)));
driver->AddLine(BPoint(tabrect.left+i,tabrect.top+1),
BPoint(tabrect.left+i,tabrect.bottom-1),tmpcol);
}
driver->EndLineArray();
UpdateTitle(layer->name->String());
// Draw the buttons if we're supposed to
if(!(dflags & NOT_CLOSABLE))
DrawClose(closerect);
if(!(dflags & NOT_ZOOMABLE))
DrawZoom(zoomrect);
if(!(dflags & NOT_MINIMIZABLE))
DrawMinimize(minrect);
}
void WinDecorator::DrawBlendedRect(BRect r, bool down)
{
// This bad boy is used to draw a rectangle with a gradient.
// Note that it is not part of the Decorator API - it's specific
// to just the WinDecorator. Called by DrawZoom and DrawClose
BRect zr=r;
rgb_color startcol,endcol;
rgb_color start2col,end2col;
if(down)
{
startcol=button_lowercol;
start2col=button_lowcol;
endcol=button_highercol;
end2col=button_highcol;
}
else
{
startcol=button_highercol;
start2col=button_highcol;
end2col=button_lowcol;
endcol=button_lowercol;
}
driver->BeginLineArray(8);
driver->AddLine(BPoint(zr.left,zr.top),BPoint(zr.right-1,zr.top),startcol);
driver->AddLine(BPoint(zr.left,zr.top),BPoint(zr.left,zr.bottom-1),startcol);
driver->AddLine(BPoint(zr.right,zr.top),BPoint(zr.right,zr.bottom),endcol);
driver->AddLine(BPoint(zr.left,zr.bottom),BPoint(zr.right,zr.bottom),endcol);
zr.InsetBy(1,1);
driver->AddLine(BPoint(zr.left,zr.top),BPoint(zr.right-1,zr.top),start2col);
driver->AddLine(BPoint(zr.left,zr.top),BPoint(zr.left,zr.bottom-1),start2col);
driver->AddLine(BPoint(zr.right,zr.top),BPoint(zr.right,zr.bottom),end2col);
driver->AddLine(BPoint(zr.left,zr.bottom),BPoint(zr.right,zr.bottom),end2col);
driver->EndLineArray();
zr.InsetBy(1,1);
driver->FillRect(zr,button_midcol);
}
void WinDecorator::DrawFrame(void)
{
// Duh, draws the window frame, I think. ;)
if(dlook==WLOOK_NO_BORDER)
return;
BRect r=borderrect;
driver->BeginLineArray(12);
driver->AddLine(BPoint(r.left,r.top),BPoint(r.right-1,r.top),
frame_midcol);
driver->AddLine(BPoint(r.left,r.top),BPoint(r.left,r.bottom),
frame_lowcol);
driver->AddLine(BPoint(r.right,r.bottom),BPoint(r.right,r.top),
frame_lowercol);
driver->AddLine(BPoint(r.right,r.bottom),BPoint(r.left,r.bottom),
frame_lowercol);
r.InsetBy(1,1);
driver->AddLine(BPoint(r.left,r.top),BPoint(r.right-1,r.top),
frame_highercol);
driver->AddLine(BPoint(r.left,r.top),BPoint(r.left,r.bottom),
frame_highercol);
driver->AddLine(BPoint(r.right,r.bottom),BPoint(r.right,r.top),
frame_midcol);
driver->AddLine(BPoint(r.right,r.bottom),BPoint(r.left,r.bottom),
frame_midcol);
r.InsetBy(1,1);
driver->StrokeRect(r,frame_highcol);
r.InsetBy(1,1);
driver->AddLine(BPoint(r.left,r.top),BPoint(r.right-1,r.top),
frame_lowercol);
driver->AddLine(BPoint(r.left,r.top),BPoint(r.left,r.bottom),
frame_lowercol);
driver->AddLine(BPoint(r.right,r.bottom),BPoint(r.right,r.top),
frame_highercol);
driver->AddLine(BPoint(r.right,r.bottom),BPoint(r.left,r.bottom),
frame_highercol);
driver->EndLineArray();
}
void WinDecorator::SetLook(uint32 wlook)
{
dlook=wlook;
}
void WinDecorator::CalculateBorders(void)
{
// Here we calculate the size of the border on each side - how much the
// decorator's visible area "sticks out" past the client rectangle.
switch(dlook)
{
case WLOOK_NO_BORDER:
{
bsize.Set(0,0,0,0);
break;
}
case WLOOK_TITLED:
case WLOOK_DOCUMENT:
case WLOOK_BORDERED:
case WLOOK_MODAL:
case WLOOK_FLOATING:
{
bsize.top=18;
break;
}
default:
{
break;
}
}
}