darling-cocotron/AppKit/NSInterfacePart/NSInterfaceGraphics.m

/* Copyright (c) 2006-2007 Christopher J. W. Lloyd

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. */
#import "NSInterfaceGraphics.h"
#import <AppKit/NSColor.h>
#import <AppKit/NSGraphicsContextFunctions.h>
#import <AppKit/NSView.h>
#import <ApplicationServices/ApplicationServices.h>

static NSRect NSInterfaceDrawRects(NSRect boundsRect, NSRect clipRect,
                                   const NSRect *sides, NSColor **colors,
                                   int count)
{
    CGContextRef graphicsPort = NSCurrentGraphicsPort();

    CGContextSaveGState(graphicsPort);
    CGContextClipToRect(graphicsPort, clipRect);
    NSRectFillListWithColors(sides, colors, count);
    CGContextRestoreGState(graphicsPort);

    return boundsRect;
}

void NSInterfaceDrawButton(NSRect rect, NSRect clipRect) {
    NSDrawButton(rect, clipRect);
}

void NSInterfaceDrawHighlightedButton(NSRect rect, NSRect clipRect) {
    NSRect rects[7];
    NSColor *colors[7];
    int i;

    for (i = 0; i < 7; i++)
        rects[i] = rect;

    if ([[NSGraphicsContext currentContext] isFlipped]) {
        colors[0] = [NSColor blackColor];
        rects[0].origin.y += rect.size.height - 1;
        rects[0].size.height = 1;

        colors[1] = [NSColor blackColor];
        rects[1].origin.x += rect.size.width - 1;
        rects[1].size.width = 1;

        colors[2] = [NSColor darkGrayColor];
        rects[2].origin.x += 1;
        rects[2].size.width -= 2;
        rects[2].origin.y += rect.size.height - 2;
        rects[2].size.height = 1;

        colors[3] = [NSColor darkGrayColor];
        rects[3].origin.x += rect.size.width - 2;
        rects[3].origin.y += 1;
        rects[3].size.width = 1;
        rects[3].size.height -= 2;

        colors[4] = [NSColor whiteColor];
        rects[4].size.height = 1;
        rects[4].size.width -= 1;

        colors[5] = [NSColor whiteColor];
        rects[5].size.width = 1;
        rects[5].size.height -= 1;

        colors[6] = [NSColor highlightColor];
        rects[6].origin.x += 1;
        rects[6].origin.y += 1;
        rects[6].size.width -= 3;
        rects[6].size.height -= 3;
    } else {
        colors[0] = [NSColor blackColor];
        rects[0].size.height = 1;

        colors[1] = [NSColor blackColor];
        rects[1].origin.x += rect.size.width - 1;
        rects[1].size.width = 1;

        colors[2] = [NSColor darkGrayColor];
        rects[2].origin.x += 1;
        rects[2].origin.y += 1;
        rects[2].size.width -= 2;
        rects[2].size.height = 1;

        colors[3] = [NSColor darkGrayColor];
        rects[3].origin.x += rect.size.width - 2;
        rects[3].origin.y += 2;
        rects[3].size.width = 1;
        rects[3].size.height -= 2;

        colors[4] = [NSColor whiteColor];
        rects[4].origin.y += 1;
        rects[4].size.width = 1;
        rects[4].size.height -= 1;

        colors[5] = [NSColor whiteColor];
        rects[5].origin.y += rect.size.height - 1;
        rects[5].size.width -= 1;
        rects[5].size.height = 1;

        colors[6] = [NSColor highlightColor];
        rects[6].origin.x += 1;
        rects[6].origin.y += 2;
        rects[6].size.width -= 3;
        rects[6].size.height -= 3;
    }

    NSInterfaceDrawRects(rect, clipRect, rects, colors, 7);
}

void NSInterfaceDrawDepressedButton(NSRect rect, NSRect clipRect) {
    NSDrawGrayBezel(rect, clipRect);
}

void NSInterfaceDrawDepressedHighlightedButton(NSRect rect, NSRect clipRect) {
}

void NSInterfaceDrawScrollerButton(NSRect rect, NSRect clipRect) {
    NSDrawButton(rect, clipRect);
}

void NSInterfaceDrawDepressedScrollerButton(NSRect rect, NSRect clipRect) {
    NSRect rects[5];
    NSColor *colors[5];
    int i;

    for (i = 0; i < 5; i++)
        rects[i] = rect;

    // center
    colors[0] = [NSColor controlColor];
    rects[0].origin.x += 1;
    rects[0].origin.y += 1;
    rects[0].size.width -= 2;
    rects[0].size.height -= 2;

    // top
    colors[1] = [NSColor controlShadowColor];
    rects[1].size.height = 1;

    // right
    colors[2] = [NSColor controlShadowColor];
    rects[2].size.width = 1;

    // left
    colors[3] = [NSColor controlShadowColor];
    rects[3].origin.x += rect.size.width - 1;
    rects[3].size.width = 1;

    // bottom
    colors[4] = [NSColor controlShadowColor];
    rects[4].origin.y += rect.size.height - 1;
    rects[4].size.height = 1;

    NSInterfaceDrawRects(rect, clipRect, rects, colors, 5);
}

void NSInterfaceDrawBrowserHeader(NSRect rect, NSRect clipRect) {
    NSRect rects[3];
    NSColor *colors[3];
    int i;

    for (i = 0; i < 3; ++i)
        rects[i] = rect;

    if ([[NSGraphicsContext currentContext] isFlipped]) {
        colors[0] = [NSColor controlShadowColor];
        colors[1] = [NSColor whiteColor];
        rects[1].origin.x += 1;
        rects[1].origin.y += 1;
        rects[1].size.width -= 1;
        rects[1].size.height -= 1;
        colors[2] = [NSColor controlColor];
        rects[2].origin.x += 1;
        rects[2].origin.y += 1;
        rects[2].size.width -= 2;
        rects[2].size.height -= 2;
    } else {
        colors[0] = [NSColor controlShadowColor];
        colors[1] = [NSColor whiteColor];
        rects[1].origin.x += 1;
        rects[1].size.width -= 1;
        rects[1].size.height -= 1;
        colors[2] = [NSColor controlColor];
        rects[2].origin.x += 1;
        rects[2].origin.y += 1;
        rects[2].size.width -= 2;
        rects[2].size.height -= 2;
    }

    NSInterfaceDrawRects(rect, clipRect, rects, colors, 3);
}

void NSInterfaceDrawProgressIndicatorBezel(NSRect rect, NSRect clipRect) {
    NSInterfaceDrawBrowserHeader(rect, clipRect);
}

void NSInterfaceDrawOutlineGrid(NSRect rect, CGContextRef context) {
    /* Win32 has poor dashed line support...
     */
    if (rect.size.width < 0)
        return;
    if (rect.size.height < 0)
        return; {
        NSRect rects[(int) rect.size.width + 2 + (int) rect.size.height + 2];
        int count = 0;
        int x, y, maxx = NSMaxX(rect), maxy = NSMaxY(rect);
        BOOL on = NO;

        for (x = rect.origin.x; x < maxx; x++, on = !on)
            if (on)
                rects[count++] = NSMakeRect(x, rect.origin.y, 1, 1);

        for (y = rect.origin.y; y < maxy; y++, on = !on)
            if (on)
                rects[count++] = NSMakeRect(maxx - 1, y, 1, 1);

        CGContextFillRects(context, rects, count);
    }
}