haiku/src/servers/app/server/DefaultDecorator.cpp
shadow303 4106b3dbdc Convert to LayerData independent drawing API
Implement clipping routines for Lines and Rectangles
Fix workspace initialization problem
it's saturday night and I am writing code... bummer


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@5599 a95241bf-73f2-0310-859d-f6bbb57e9c96
2003-12-07 03:22:15 +00:00

889 lines
25 KiB
C++

//------------------------------------------------------------------------------
// Copyright (c) 2001-2002, OpenBeOS
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
// File Name: DefaultDecorator.cpp
// Author: DarkWyrm <bpmagic@columbus.rr.com>
// Description: Fallback decorator for the app_server
//
//------------------------------------------------------------------------------
#include <Rect.h>
#include "DisplayDriver.h"
#include <View.h>
#include "LayerData.h"
#include "ColorUtils.h"
#include "DefaultDecorator.h"
#include "PatternHandler.h"
#include "RGBColor.h"
#include "RectUtils.h"
#include <stdio.h>
#define USE_VIEW_FILL_HACK
//#define DEBUG_DECORATOR
#ifdef DEBUG_DECORATOR
# include <stdio.h>
# define STRACE(x) printf x
#else
# define STRACE(x) ;
#endif
DefaultDecorator::DefaultDecorator(BRect rect, int32 wlook, int32 wfeel, int32 wflags)
: Decorator(rect,wlook,wfeel,wflags)
{
taboffset=0;
titlepixelwidth=0;
framecolors=new RGBColor[5];
framecolors[0].SetColor(255,255,255);
framecolors[1].SetColor(216,216,216);
framecolors[2].SetColor(152,152,152);
framecolors[3].SetColor(136,136,136);
framecolors[4].SetColor(96,96,96);
// Set appropriate colors based on the current focus value. In this case, each decorator
// defaults to not having the focus.
_SetFocus();
// Do initial decorator setup
_DoLayout();
// This flag is used to determine whether or not we're moving the tab
slidetab=false;
// tab_highcol=_colors->window_tab;
// tab_lowcol=_colors->window_tab;
STRACE(("DefaultDecorator:\n"));
STRACE(("\tFrame (%.1f,%.1f,%.1f,%.1f)\n",rect.left,rect.top,rect.right,rect.bottom));
}
DefaultDecorator::~DefaultDecorator(void)
{
STRACE(("DefaultDecorator: ~DefaultDecorator()\n"));
delete [] framecolors;
}
click_type DefaultDecorator::Clicked(BPoint pt, int32 buttons, int32 modifiers)
{
#ifdef DEBUG_DECORATOR
printf("DefaultDecorator: Clicked\n");
printf("\tPoint: (%.1f,%.1f)\n",pt.x,pt.y);
printf("\tButtons:\n");
if(buttons==0)
printf("\t\tNone\n");
else
{
if(buttons & B_PRIMARY_MOUSE_BUTTON)
printf("\t\tPrimary\n");
if(buttons & B_SECONDARY_MOUSE_BUTTON)
printf("\t\tSecondary\n");
if(buttons & B_TERTIARY_MOUSE_BUTTON)
printf("\t\tTertiary\n");
}
printf("\tModifiers:\n");
if(modifiers==0)
printf("\t\tNone\n");
else
{
if(modifiers & B_CAPS_LOCK)
printf("\t\tCaps Lock\n");
if(modifiers & B_NUM_LOCK)
printf("\t\tNum Lock\n");
if(modifiers & B_SCROLL_LOCK)
printf("\t\tScroll Lock\n");
if(modifiers & B_LEFT_COMMAND_KEY)
printf("\t\t Left Command\n");
if(modifiers & B_RIGHT_COMMAND_KEY)
printf("\t\t Right Command\n");
if(modifiers & B_LEFT_CONTROL_KEY)
printf("\t\tLeft Control\n");
if(modifiers & B_RIGHT_CONTROL_KEY)
printf("\t\tRight Control\n");
if(modifiers & B_LEFT_OPTION_KEY)
printf("\t\tLeft Option\n");
if(modifiers & B_RIGHT_OPTION_KEY)
printf("\t\tRight Option\n");
if(modifiers & B_LEFT_SHIFT_KEY)
printf("\t\tLeft Shift\n");
if(modifiers & B_RIGHT_SHIFT_KEY)
printf("\t\tRight Shift\n");
if(modifiers & B_MENU_KEY)
printf("\t\tMenu\n");
}
#endif
// In checking for hit test stuff, we start with the smallest rectangles the user might
// be clicking on and gradually work our way out into larger rectangles.
if(_closerect.Contains(pt))
return DEC_CLOSE;
if(_zoomrect.Contains(pt))
return DEC_ZOOM;
if(_resizerect.Contains(pt) && _look==B_DOCUMENT_WINDOW_LOOK)
return DEC_RESIZE;
// Clicking in the tab?
if(_tabrect.Contains(pt))
{
// Here's part of our window management stuff
if(buttons==B_SECONDARY_MOUSE_BUTTON)
return DEC_MOVETOBACK;
return DEC_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))
{
if(_resizerect.Contains(pt))
return DEC_RESIZE;
return DEC_DRAG;
}
// Guess user didn't click anything
return DEC_NONE;
}
void DefaultDecorator::_DoLayout(void)
{
STRACE(("DefaultDecorator: Do Layout\n"));
// Here we determine the size of every rectangle that we use
// internally when we are given the size of the client rectangle.
switch(GetLook())
{
case B_FLOATING_WINDOW_LOOK:
case B_MODAL_WINDOW_LOOK:
// We're going to make the frame 5 pixels wide, no matter what. R5's decorator frame
// requires the skills of a gaming master to click on the tiny frame if resizing is necessary,
// and there *are* apps which do this
// borderwidth=3;
// break;
case B_BORDERED_WINDOW_LOOK:
case B_TITLED_WINDOW_LOOK:
case B_DOCUMENT_WINDOW_LOOK:
borderwidth = 5;
break;
default:
borderwidth = 0;
}
// distance from one item of the tab bar to another. In this case the text and close/zoom rects
textoffset = (_look==B_FLOATING_WINDOW_LOOK) ? 7 : 10;
// calculate our tab rect
_tabrect.Set( _frame.left - borderwidth,
_frame.top - borderwidth - 19.0,
((_frame.right - _frame.left) < 35.0 ?
_frame.left + 35.0 : _frame.right) + borderwidth,
_frame.top - (borderwidth-1) );
// make it text width sensitive
if(strlen(GetTitle())>1)
{
if(_driver)
titlepixelwidth=_driver->StringWidth(GetTitle(),_TitleWidth(), &_layerdata);
else
titlepixelwidth=10;
int32 tabLength = int32(14 + // _closerect width
textoffset + titlepixelwidth + textoffset +
14 + // _zoomrect width
8); // margins
int32 tabWidth = (int32)_tabrect.Width();
if ( tabLength < tabWidth )
_tabrect.right = _tabrect.left + tabLength;
}
else
_tabrect.right = _tabrect.left + _tabrect.Width()/2;
// calculate left/top/right/bottom borders
if ( borderwidth != 0 ){
_borderrect = _frame.InsetByCopy( -borderwidth, -borderwidth );
leftborder.Set( _borderrect.left, _frame.top - borderwidth,
_frame.left, _frame.bottom + borderwidth );
rightborder.Set( _frame.right, _frame.top - borderwidth,
_borderrect.right, _frame.bottom + borderwidth );
topborder.Set( _borderrect.left, _borderrect.top,
_borderrect.right, _frame.top );
bottomborder.Set( _borderrect.left, _frame.bottom,
_borderrect.right, _borderrect.bottom );
}
else{
// no border ... (?) useful when displaying windows that are just images
_borderrect = _frame;
leftborder.Set( 0.0, 0.0, -1.0, -1.0 );
rightborder.Set( 0.0, 0.0, -1.0, -1.0 );
topborder.Set( 0.0, 0.0, -1.0, -1.0 );
bottomborder.Set( 0.0, 0.0, -1.0, -1.0 );
}
// calculate resize rect
_resizerect.Set( _borderrect.right - 19.0, _borderrect.bottom - 19.0,
_borderrect.right, _borderrect.bottom);
// format tab rect for a floating window - make the rect smaller
if ( _look == B_FLOATING_WINDOW_LOOK ){
_tabrect.InsetBy( 0, 2 );
_tabrect.OffsetBy( 0, 2 );
}
// calulate close rect based on the tab rectangle
_closerect.Set( _tabrect.left + 4.0, _tabrect.top + 4.0,
_tabrect.left + 4.0 + 13.0, _tabrect.top + 4.0 + 13.0 );
// calulate zoom rect based on the tab rectangle
_zoomrect.Set( _tabrect.right - 4.0 - 13.0, _tabrect.top + 4.0,
_tabrect.right - 4.0, _tabrect.top + 4.0 + 13.0 );
// format close and zoom rects for a floating window - make rectangles smaller
if ( _look == B_FLOATING_WINDOW_LOOK ){
_closerect.InsetBy( 1, 1 );
_zoomrect.InsetBy( 1, 1 );
_closerect.OffsetBy( 0, -2 );
_zoomrect.OffsetBy( 0, -2 );
}
}
void DefaultDecorator::MoveBy(float x, float y)
{
MoveBy(BPoint(x,y));
}
void DefaultDecorator::MoveBy(BPoint pt)
{
STRACE(("DefaultDecorator: Move By (%.1f, %.1f)\n",pt.x,pt.y));
// Move all internal rectangles the appropriate amount
_frame.OffsetBy(pt);
_closerect.OffsetBy(pt);
_tabrect.OffsetBy(pt);
_resizerect.OffsetBy(pt);
_borderrect.OffsetBy(pt);
_zoomrect.OffsetBy(pt);
leftborder.OffsetBy(pt);
rightborder.OffsetBy(pt);
topborder.OffsetBy(pt);
bottomborder.OffsetBy(pt);
}
void DefaultDecorator::GetFootprint(BRegion *region)
{
STRACE(("DefaultDecorator: Get Footprint\n"));
// This function calculates the decorator's footprint in coordinates
// relative to the layer. This is most often used to set a WinBorder
// object's visible region.
if(!region)
return;
region->Set(_borderrect);
region->Include(_tabrect);
}
BRect DefaultDecorator::SlideTab(float dx, float dy=0){
//return Decorator::SlideTab(dx,dy);
return _tabrect;
}
void DefaultDecorator::_DrawTitle(BRect r)
{
STRACE(("_DrawTitle(%f,%f,%f,%f)\n", r.left, r.top, r.right, r.bottom));
// Designed simply to redraw the title when it has changed on
// the client side.
_layerdata.highcolor=_colors->window_tab_text;
_layerdata.lowcolor=(GetFocus())?_colors->window_tab:_colors->inactive_window_tab;
int32 titlecount=_ClipTitle((_zoomrect.left-textoffset)-(_closerect.right+textoffset));
BString titlestr( GetTitle() );
if(titlecount<titlestr.CountChars())
{
titlestr.Truncate(titlecount-1);
titlestr+="...";
titlecount+=2;
}
// The text position needs tweaked when working as a floating window because the closerect placement
// is a little different. If it isn't moved, title placement looks really funky
if(_look==B_FLOATING_WINDOW_LOOK)
_driver->DrawString(titlestr.String(),titlecount,
BPoint(_closerect.right+textoffset,_closerect.bottom+1),&_layerdata);
else
_driver->DrawString(titlestr.String(),titlecount,
BPoint(_closerect.right+textoffset,_closerect.bottom),&_layerdata);
}
void DefaultDecorator::_SetFocus(void)
{
// SetFocus() performs necessary duties for color swapping and
// other things when a window is deactivated or activated.
// Removed Adi's short-term color hack and replaced with a more palatable substitute for the old,
// dark colors
if(GetFocus())
{
button_highcol.SetColor(tint_color(_colors->window_tab.GetColor32(),B_LIGHTEN_2_TINT));
button_lowcol.SetColor(tint_color(_colors->window_tab.GetColor32(),B_DARKEN_1_TINT));
textcol=_colors->window_tab_text;
}
else
{
button_highcol.SetColor(tint_color(_colors->inactive_window_tab.GetColor32(),B_LIGHTEN_2_TINT));
button_lowcol.SetColor(tint_color(_colors->inactive_window_tab.GetColor32(),B_DARKEN_1_TINT));
textcol=_colors->inactive_window_tab_text;
}
}
void DefaultDecorator::Draw(BRect update)
{
STRACE(("DefaultDecorator: Draw(%.1f,%.1f,%.1f,%.1f)\n",update.left,update.top,update.right,update.bottom));
// We need to draw a few things: the tab, the resize thumb, the borders,
// and the buttons
_DrawFrame(update);
_DrawTab(update);
}
void DefaultDecorator::Draw(void)
{
// Easy way to draw everything - no worries about drawing only certain
// things
_DrawFrame(_borderrect);
_DrawTab(_tabrect);
}
void DefaultDecorator::_DrawZoom(BRect r)
{
STRACE(("_DrawZoom(%f,%f,%f,%f)\n", r.left, r.top, r.right, r.bottom));
// If this has been implemented, then the decorator has a Zoom button
// which should be drawn based on the state of the member zoomstate
BRect zr( r );
zr.left += 3.0;
zr.top += 3.0;
DrawBlendedRect( zr, GetZoom() );
zr = r;
zr.right -= 5.0;
zr.bottom -= 5.0;
DrawBlendedRect( zr, GetZoom() );
}
void DefaultDecorator::_DrawClose(BRect r)
{
STRACE(("_DrawClose(%f,%f,%f,%f)\n", r.left, r.top, r.right, r.bottom));
// Just like DrawZoom, but for a close button
DrawBlendedRect( r, GetClose());
}
void DefaultDecorator::_DrawTab(BRect r)
{
STRACE(("_DrawTab(%f,%f,%f,%f)\n", r.left, r.top, r.right, r.bottom));
// If a window has a tab, this will draw it and any buttons which are
// in it.
if(_look==B_NO_BORDER_WINDOW_LOOK)
return;
_layerdata.highcolor=(GetFocus())?_colors->window_tab:_colors->inactive_window_tab;
_driver->FillRect(_tabrect,_layerdata.highcolor);
_layerdata.highcolor=framecolors[2];
_driver->StrokeLine(_tabrect.LeftTop(),_tabrect.LeftBottom(),_layerdata.pensize,_layerdata.highcolor);
_driver->StrokeLine(_tabrect.LeftTop(),_tabrect.RightTop(),_layerdata.pensize,_layerdata.highcolor);
_layerdata.highcolor=framecolors[4];
_driver->StrokeLine(_tabrect.RightTop(),_tabrect.RightBottom(),_layerdata.pensize,_layerdata.highcolor);
_layerdata.highcolor=framecolors[1];
_driver->StrokeLine( BPoint( _tabrect.left + 2, _tabrect.bottom ),
BPoint( _tabrect.right - 2, _tabrect.bottom ),
_layerdata.pensize,_layerdata.highcolor);
_layerdata.highcolor = RGBColor( 255, 255, 0 );
_driver->StrokeLine( BPoint( _tabrect.left + 1, _tabrect.top + 1),
BPoint( _tabrect.left + 1, _tabrect.bottom),
_layerdata.pensize,_layerdata.highcolor);
_driver->StrokeLine( BPoint( _tabrect.left + 1, _tabrect.top + 1),
BPoint( _tabrect.right - 1, _tabrect.top + 1),
_layerdata.pensize,_layerdata.highcolor);
_layerdata.highcolor = RGBColor( 175, 123, 0 );
_driver->StrokeLine( BPoint( _tabrect.right - 1, _tabrect.top + 2),
BPoint( _tabrect.right - 1, _tabrect.bottom),
_layerdata.pensize,_layerdata.highcolor);
_DrawTitle(_tabrect);
// Draw the buttons if we're supposed to
if(!(_flags & B_NOT_CLOSABLE))
_DrawClose(_closerect);
if(!(_flags & B_NOT_ZOOMABLE))
_DrawZoom(_zoomrect);
}
void DefaultDecorator::_SetColors(void)
{
_SetFocus();
}
void DefaultDecorator::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 DefaultDecorator. Called by DrawZoom and DrawClose
_layerdata.highcolor = RGBColor( 175, 123, 0 );
_driver->StrokeLine( r.LeftTop(),
BPoint( r.left, r.bottom - 1 ),
_layerdata.pensize,_layerdata.highcolor);
_driver->StrokeLine( r.LeftTop(),
BPoint( r.right - 1, r.top ),
_layerdata.pensize,_layerdata.highcolor);
_driver->StrokeLine( BPoint( r.right - 1, r.top + 2),
BPoint( r.right - 1, r.bottom - 1),
_layerdata.pensize,_layerdata.highcolor);
_driver->StrokeLine( BPoint( r.left + 2, r.bottom -1),
BPoint( r.right - 2, r.bottom - 1),
_layerdata.pensize,_layerdata.highcolor);
_layerdata.highcolor = RGBColor( 255, 255, 0 );
_driver->StrokeRect( BRect( r.left + 1, r.top + 1,
r.right, r.bottom),
_layerdata.pensize,_layerdata.highcolor);
r.InsetBy( 2, 2 );
int32 w=r.IntegerWidth(), h=r.IntegerHeight();
rgb_color tmpcol,halfcol, startcol, endcol;
float rstep,gstep,bstep,i;
int steps=(w<h)?w:h;
if(down)
{
startcol=button_lowcol.GetColor32();
endcol=button_highcol.GetColor32();
}
else
{
startcol=button_highcol.GetColor32();
endcol=button_lowcol.GetColor32();
}
halfcol=MakeBlendColor(startcol,endcol,0.5);
rstep=float(startcol.red-halfcol.red)/steps;
gstep=float(startcol.green-halfcol.green)/steps;
bstep=float(startcol.blue-halfcol.blue)/steps;
for(i=0;i<=steps; i++)
{
SetRGBColor(&tmpcol, uint8(startcol.red-(i*rstep)),
uint8(startcol.green-(i*gstep)),
uint8(startcol.blue-(i*bstep)));
_layerdata.highcolor=tmpcol;
_driver->StrokeLine(BPoint(r.left,r.top+i),
BPoint(r.left+i,r.top),_layerdata.pensize,_layerdata.highcolor);
SetRGBColor(&tmpcol, uint8(halfcol.red-(i*rstep)),
uint8(halfcol.green-(i*gstep)),
uint8(halfcol.blue-(i*bstep)));
_layerdata.highcolor=tmpcol;
_driver->StrokeLine(BPoint(r.left+steps,r.top+i),
BPoint(r.left+i,r.top+steps),_layerdata.pensize,_layerdata.highcolor);
}
}
void DefaultDecorator::_DrawFrame(BRect invalid)
{
STRACE(("_DrawFrame(%f,%f,%f,%f)\n", invalid.left, invalid.top,
invalid.right, invalid.bottom));
// We need to test each side to determine whether or not it needs drawn. Additionally,
// we must clip the lines drawn by this function to the invalid rectangle we are given
#ifdef USE_VIEW_FILL_HACK
_layerdata.highcolor = RGBColor( 255, 255, 255 );
_driver->FillRect(_frame,_layerdata.highcolor);
#endif
if(!borderwidth){
return;
}
// Data specifically for the StrokeLineArray call.
int32 numlines=0, maxlines=20;
BPoint points[maxlines*2];
RGBColor colors[maxlines];
// For quick calculation of gradients for each side. Top is same as left, right is same as
// bottom
// int8 rightindices[borderwidth],leftindices[borderwidth];
int8 *rightindices=new int8[borderwidth],
*leftindices=new int8[borderwidth];
if(borderwidth==5)
{
leftindices[0]=2;
leftindices[1]=0;
leftindices[2]=1;
leftindices[3]=3;
leftindices[4]=2;
rightindices[0]=2;
rightindices[1]=0;
rightindices[2]=1;
rightindices[3]=3;
rightindices[4]=4;
}
else
{
// TODO: figure out border colors for floating window look
leftindices[0]=2;
leftindices[1]=2;
leftindices[2]=1;
leftindices[3]=1;
leftindices[4]=4;
rightindices[0]=2;
rightindices[1]=2;
rightindices[2]=1;
rightindices[3]=1;
rightindices[4]=4;
}
// Variables used in each calculation
int32 startx,endx,starty,endy,i;
bool topcorner,bottomcorner,leftcorner,rightcorner;
int8 step,colorindex;
BRect r;
BPoint start, end;
// Right side
if(TestRectIntersection(rightborder,invalid))
{
// We may not have to redraw the entire width of the frame itself. Rare case, but
// it must be accounted for.
startx=(int32) MAX(invalid.left,rightborder.left);
endx=(int32) MIN(invalid.right,rightborder.right);
// We'll need these flags to see if we must include the corners in final line
// calculations
r=(rightborder);
r.bottom=r.top+borderwidth;
topcorner=TestRectIntersection(invalid,r);
r=rightborder;
r.top=r.bottom-borderwidth;
bottomcorner=TestRectIntersection(invalid,r);
step=(borderwidth==5)?1:2;
colorindex=0;
// Generate the lines for this side
for(i=startx+1; i<=endx; i++)
{
start.x=end.x=i;
if(topcorner)
{
start.y=rightborder.top+(borderwidth-(i-rightborder.left));
start.y=MAX(start.y,invalid.top);
}
else
start.y=MAX(start.y+borderwidth,invalid.top);
if(bottomcorner)
{
end.y=rightborder.bottom-(borderwidth-(i-rightborder.left));
end.y=MIN(end.y,invalid.bottom);
}
else
end.y=MIN(end.y-borderwidth,invalid.bottom);
// Make the appropriate
points[numlines*2]=start;
points[(numlines*2)+1]=end;
colors[numlines]=framecolors[rightindices[colorindex]];
colorindex+=step;
numlines++;
}
}
// Left side
if(TestRectIntersection(leftborder,invalid))
{
// We may not have to redraw the entire width of the frame itself. Rare case, but
// it must be accounted for.
startx=(int32) MAX(invalid.left,leftborder.left);
endx=(int32) MIN(invalid.right,leftborder.right);
// We'll need these flags to see if we must include the corners in final line
// calculations
r=leftborder;
r.bottom=r.top+borderwidth;
topcorner=TestRectIntersection(invalid,r);
r=leftborder;
r.top=r.bottom-borderwidth;
bottomcorner=TestRectIntersection(invalid,r);
step=(borderwidth==5)?1:2;
colorindex=0;
// Generate the lines for this side
for(i=startx; i<endx; i++)
{
start.x=end.x=i;
if(topcorner)
{
start.y=leftborder.top+(i-leftborder.left);
start.y=MAX(start.y,invalid.top);
}
else
start.y=MAX(start.y+borderwidth,invalid.top);
if(bottomcorner)
{
end.y=leftborder.bottom-(i-leftborder.left);
end.y=MIN(end.y,invalid.bottom);
}
else
end.y=MIN(end.y-borderwidth,invalid.bottom);
// Make the appropriate
points[numlines*2]=start;
points[(numlines*2)+1]=end;
colors[numlines]=framecolors[leftindices[colorindex]];
colorindex+=step;
numlines++;
}
}
// Top side
if(TestRectIntersection(topborder,invalid))
{
// We may not have to redraw the entire width of the frame itself. Rare case, but
// it must be accounted for.
starty=(int32) MAX(invalid.top,topborder.top);
endy=(int32) MIN(invalid.bottom,topborder.bottom);
// We'll need these flags to see if we must include the corners in final line
// calculations
r=topborder;
r.bottom=r.top+borderwidth;
r.right=r.left+borderwidth;
leftcorner=TestRectIntersection(invalid,r);
r=topborder;
r.top=r.bottom-borderwidth;
r.left=r.right-borderwidth;
rightcorner=TestRectIntersection(invalid,r);
step=(borderwidth==5)?1:2;
colorindex=0;
// Generate the lines for this side
for(i=starty; i<endy; i++)
{
start.y=end.y=i;
if(leftcorner)
{
start.x=topborder.left+(i-topborder.top);
start.x=MAX(start.x,invalid.left);
}
else
start.x=MAX(start.x+borderwidth,invalid.left);
if(rightcorner)
{
end.x=topborder.right-(i-topborder.top);
end.x=MIN(end.x,invalid.right);
}
else
end.x=MIN(end.x-borderwidth,invalid.right);
// Make the appropriate
points[numlines*2]=start;
points[(numlines*2)+1]=end;
// Top side uses the same color order as the left one
colors[numlines]=framecolors[leftindices[colorindex]];
colorindex+=step;
numlines++;
}
}
// Bottom side
if(TestRectIntersection(bottomborder,invalid))
{
// We may not have to redraw the entire width of the frame itself. Rare case, but
// it must be accounted for.
starty=(int32) MAX(invalid.top,bottomborder.top);
endy=(int32) MIN(invalid.bottom,bottomborder.bottom);
// We'll need these flags to see if we must include the corners in final line
// calculations
r=bottomborder;
r.bottom=r.top+borderwidth;
r.right=r.left+borderwidth;
leftcorner=TestRectIntersection(invalid,r);
r=bottomborder;
r.top=r.bottom-borderwidth;
r.left=r.right-borderwidth;
rightcorner=TestRectIntersection(invalid,r);
step=(borderwidth==5)?1:2;
colorindex=0;
// Generate the lines for this side
for(i=starty+1; i<=endy; i++)
{
start.y=end.y=i;
if(leftcorner)
{
start.x=bottomborder.left+(borderwidth-(i-bottomborder.top));
start.x=MAX(start.x,invalid.left);
}
else
start.x=MAX(start.x+borderwidth,invalid.left);
if(rightcorner)
{
end.x=bottomborder.right-(borderwidth-(i-bottomborder.top));
end.x=MIN(end.x,invalid.right);
}
else
end.x=MIN(end.x-borderwidth,invalid.right);
// Make the appropriate
points[numlines*2]=start;
points[(numlines*2)+1]=end;
// Top side uses the same color order as the left one
colors[numlines]=framecolors[rightindices[colorindex]];
colorindex+=step;
numlines++;
}
}
_driver->StrokeLineArray(points,numlines,_layerdata.pensize,colors);
delete rightindices;
delete leftindices;
// Draw the resize thumb if we're supposed to
if(!(_flags & B_NOT_RESIZABLE))
{
r=_resizerect;
// int32 w=r.IntegerWidth(), h=r.IntegerHeight();
// This code is strictly for B_DOCUMENT_WINDOW looks
if(_look==B_DOCUMENT_WINDOW_LOOK)
{
r.right-=4;
r.bottom-=4;
_layerdata.highcolor=framecolors[2];
_driver->StrokeLine(r.LeftTop(),r.RightTop(),_layerdata.pensize,_layerdata.highcolor);
_driver->StrokeLine(r.LeftTop(),r.LeftBottom(),_layerdata.pensize,_layerdata.highcolor);
r.OffsetBy(1,1);
_layerdata.highcolor=framecolors[0];
_driver->StrokeLine(r.LeftTop(),r.RightTop(),_layerdata.pensize,_layerdata.highcolor);
_driver->StrokeLine(r.LeftTop(),r.LeftBottom(),_layerdata.pensize,_layerdata.highcolor);
r.OffsetBy(1,1);
_layerdata.highcolor=framecolors[1];
_driver->FillRect(r,_layerdata.highcolor);
/* r.left+=2;
r.top+=2;
r.right-=3;
r.bottom-=3;
*/
r.right-=2;
r.bottom-=2;
int32 w=r.IntegerWidth(), h=r.IntegerHeight();
rgb_color halfcol, startcol, endcol;
float rstep,gstep,bstep,i;
int steps=(w<h)?w:h;
startcol=framecolors[0].GetColor32();
endcol=framecolors[4].GetColor32();
halfcol=framecolors[0].MakeBlendColor(framecolors[4],0.5).GetColor32();
rstep=(startcol.red-halfcol.red)/steps;
gstep=(startcol.green-halfcol.green)/steps;
bstep=(startcol.blue-halfcol.blue)/steps;
// Explicitly locking the driver is normally unnecessary. However, we need to do
// this because we are rapidly drawing a series of calls which would not necessarily
// draw correctly if we didn't do so.
_driver->Lock();
for(i=0;i<=steps; i++)
{
_layerdata.highcolor.SetColor(uint8(startcol.red-(i*rstep)),
uint8(startcol.green-(i*gstep)),
uint8(startcol.blue-(i*bstep)));
_driver->StrokeLine(BPoint(r.left,r.top+i),
BPoint(r.left+i,r.top),_layerdata.pensize,_layerdata.highcolor);
_layerdata.highcolor.SetColor(uint8(halfcol.red-(i*rstep)),
uint8(halfcol.green-(i*gstep)),
uint8(halfcol.blue-(i*bstep)));
_driver->StrokeLine(BPoint(r.left+steps,r.top+i),
BPoint(r.left+i,r.top+steps),_layerdata.pensize,_layerdata.highcolor);
}
_driver->Unlock();
// _layerdata.highcolor=framecolors[4];
// _driver->StrokeRect(r,_layerdata.pensize,_layerdata.highcolor);
}
else
{
_layerdata.highcolor=framecolors[2];
_driver->StrokeLine(BPoint(r.right-4,r.top),BPoint(r.right-2,r.top),
_layerdata.pensize,_layerdata.highcolor);
_driver->StrokeLine(BPoint(r.left,r.bottom-4),BPoint(r.left,r.bottom-2),
_layerdata.pensize,_layerdata.highcolor);
}
}
}