756
757 }
758
759 public void endLayout() {
760 if (!paintPending && !paintArea.isEmpty()
761 && !AWTAccessor.getComponentAccessor().getIgnoreRepaint(target))
762 {
763 // if not waiting for native painting repaint damaged area
764 postEvent(new PaintEvent(target, PaintEvent.PAINT,
765 new Rectangle()));
766 }
767 isLayouting = false;
768 }
769
770 public Color getWinBackground() {
771 return getPeerBackground();
772 }
773
774 static int[] getRGBvals(Color c) {
775
776 int rgbvals[] = new int[3];
777
778 rgbvals[0] = c.getRed();
779 rgbvals[1] = c.getGreen();
780 rgbvals[2] = c.getBlue();
781
782 return rgbvals;
783 }
784
785 static final int BACKGROUND_COLOR = 0;
786 static final int HIGHLIGHT_COLOR = 1;
787 static final int SHADOW_COLOR = 2;
788 static final int FOREGROUND_COLOR = 3;
789
790 public Color[] getGUIcolors() {
791 Color c[] = new Color[4];
792 float backb, highb, shadowb, hue, saturation;
793 c[BACKGROUND_COLOR] = getWinBackground();
794 if (c[BACKGROUND_COLOR] == null) {
795 c[BACKGROUND_COLOR] = super.getWinBackground();
796 }
797 if (c[BACKGROUND_COLOR] == null) {
798 c[BACKGROUND_COLOR] = Color.lightGray;
799 }
800
801 int[] rgb = getRGBvals(c[BACKGROUND_COLOR]);
802
803 float[] hsb = Color.RGBtoHSB(rgb[0],rgb[1],rgb[2],null);
804
805 hue = hsb[0];
806 saturation = hsb[1];
807 backb = hsb[2];
808
809
810 /* Calculate Highlight Brightness */
811
890 /**
891 * Returns an array of Colors similar to getGUIcolors(), but using the
892 * System colors. This is useful if pieces of a Component (such as
893 * the integrated scrollbars of a List) should retain the System color
894 * instead of the background color set by Component.setBackground().
895 */
896 static Color[] getSystemColors() {
897 if (systemColors == null) {
898 systemColors = new Color[4];
899 systemColors[BACKGROUND_COLOR] = SystemColor.window;
900 systemColors[HIGHLIGHT_COLOR] = SystemColor.controlLtHighlight;
901 systemColors[SHADOW_COLOR] = SystemColor.controlShadow;
902 systemColors[FOREGROUND_COLOR] = SystemColor.windowText;
903 }
904 return systemColors;
905 }
906
907 /**
908 * Draw a 3D oval.
909 */
910 public void draw3DOval(Graphics g, Color colors[],
911 int x, int y, int w, int h, boolean raised)
912 {
913 Color c = g.getColor();
914 g.setColor(raised ? colors[HIGHLIGHT_COLOR] : colors[SHADOW_COLOR]);
915 g.drawArc(x, y, w, h, 45, 180);
916 g.setColor(raised ? colors[SHADOW_COLOR] : colors[HIGHLIGHT_COLOR]);
917 g.drawArc(x, y, w, h, 225, 180);
918 g.setColor(c);
919 }
920
921 public void draw3DRect(Graphics g, Color colors[],
922 int x, int y, int width, int height, boolean raised)
923 {
924 Color c = g.getColor();
925 g.setColor(raised ? colors[HIGHLIGHT_COLOR] : colors[SHADOW_COLOR]);
926 g.drawLine(x, y, x, y + height);
927 g.drawLine(x + 1, y, x + width - 1, y);
928 g.setColor(raised ? colors[SHADOW_COLOR] : colors[HIGHLIGHT_COLOR]);
929 g.drawLine(x + 1, y + height, x + width, y + height);
930 g.drawLine(x + width, y, x + width, y + height - 1);
931 g.setColor(c);
932 }
933
934 /*
935 * drawXXX() methods are used to print the native components by
936 * rendering the Motif look ourselves.
937 * ToDo(aim): needs to query native motif for more accurate color
938 * information.
939 */
940 void draw3DOval(Graphics g, Color bg,
941 int x, int y, int w, int h, boolean raised)
957 Color c = g.getColor();
958 Color shadow = bg.darker();
959 Color highlight = bg.brighter();
960
961 g.setColor(raised ? highlight : shadow);
962 g.drawLine(x, y, x, y + height);
963 g.drawLine(x + 1, y, x + width - 1, y);
964 g.setColor(raised ? shadow : highlight);
965 g.drawLine(x + 1, y + height, x + width, y + height);
966 g.drawLine(x + width, y, x + width, y + height - 1);
967 g.setColor(c);
968 }
969
970 void drawScrollbar(Graphics g, Color bg, int thickness, int length,
971 int min, int max, int val, int vis, boolean horizontal) {
972 Color c = g.getColor();
973 double f = (double)(length - 2*(thickness-1)) / Math.max(1, ((max - min) + vis));
974 int v1 = thickness + (int)(f * (val - min));
975 int v2 = (int)(f * vis);
976 int w2 = thickness-4;
977 int tpts_x[] = new int[3];
978 int tpts_y[] = new int[3];
979
980 if (length < 3*w2 ) {
981 v1 = v2 = 0;
982 if (length < 2*w2 + 2) {
983 w2 = (length-2)/2;
984 }
985 } else if (v2 < 7) {
986 // enforce a minimum handle size
987 v1 = Math.max(0, v1 - ((7 - v2)>>1));
988 v2 = 7;
989 }
990
991 int ctr = thickness/2;
992 int sbmin = ctr - w2/2;
993 int sbmax = ctr + w2/2;
994
995 // paint the background slightly darker
996 {
997 Color d = new Color((int) (bg.getRed() * 0.85),
998 (int) (bg.getGreen() * 0.85),
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756
757 }
758
759 public void endLayout() {
760 if (!paintPending && !paintArea.isEmpty()
761 && !AWTAccessor.getComponentAccessor().getIgnoreRepaint(target))
762 {
763 // if not waiting for native painting repaint damaged area
764 postEvent(new PaintEvent(target, PaintEvent.PAINT,
765 new Rectangle()));
766 }
767 isLayouting = false;
768 }
769
770 public Color getWinBackground() {
771 return getPeerBackground();
772 }
773
774 static int[] getRGBvals(Color c) {
775
776 int[] rgbvals = new int[3];
777
778 rgbvals[0] = c.getRed();
779 rgbvals[1] = c.getGreen();
780 rgbvals[2] = c.getBlue();
781
782 return rgbvals;
783 }
784
785 static final int BACKGROUND_COLOR = 0;
786 static final int HIGHLIGHT_COLOR = 1;
787 static final int SHADOW_COLOR = 2;
788 static final int FOREGROUND_COLOR = 3;
789
790 public Color[] getGUIcolors() {
791 Color[] c = new Color[4];
792 float backb, highb, shadowb, hue, saturation;
793 c[BACKGROUND_COLOR] = getWinBackground();
794 if (c[BACKGROUND_COLOR] == null) {
795 c[BACKGROUND_COLOR] = super.getWinBackground();
796 }
797 if (c[BACKGROUND_COLOR] == null) {
798 c[BACKGROUND_COLOR] = Color.lightGray;
799 }
800
801 int[] rgb = getRGBvals(c[BACKGROUND_COLOR]);
802
803 float[] hsb = Color.RGBtoHSB(rgb[0],rgb[1],rgb[2],null);
804
805 hue = hsb[0];
806 saturation = hsb[1];
807 backb = hsb[2];
808
809
810 /* Calculate Highlight Brightness */
811
890 /**
891 * Returns an array of Colors similar to getGUIcolors(), but using the
892 * System colors. This is useful if pieces of a Component (such as
893 * the integrated scrollbars of a List) should retain the System color
894 * instead of the background color set by Component.setBackground().
895 */
896 static Color[] getSystemColors() {
897 if (systemColors == null) {
898 systemColors = new Color[4];
899 systemColors[BACKGROUND_COLOR] = SystemColor.window;
900 systemColors[HIGHLIGHT_COLOR] = SystemColor.controlLtHighlight;
901 systemColors[SHADOW_COLOR] = SystemColor.controlShadow;
902 systemColors[FOREGROUND_COLOR] = SystemColor.windowText;
903 }
904 return systemColors;
905 }
906
907 /**
908 * Draw a 3D oval.
909 */
910 public void draw3DOval(Graphics g, Color[] colors,
911 int x, int y, int w, int h, boolean raised)
912 {
913 Color c = g.getColor();
914 g.setColor(raised ? colors[HIGHLIGHT_COLOR] : colors[SHADOW_COLOR]);
915 g.drawArc(x, y, w, h, 45, 180);
916 g.setColor(raised ? colors[SHADOW_COLOR] : colors[HIGHLIGHT_COLOR]);
917 g.drawArc(x, y, w, h, 225, 180);
918 g.setColor(c);
919 }
920
921 public void draw3DRect(Graphics g, Color[] colors,
922 int x, int y, int width, int height, boolean raised)
923 {
924 Color c = g.getColor();
925 g.setColor(raised ? colors[HIGHLIGHT_COLOR] : colors[SHADOW_COLOR]);
926 g.drawLine(x, y, x, y + height);
927 g.drawLine(x + 1, y, x + width - 1, y);
928 g.setColor(raised ? colors[SHADOW_COLOR] : colors[HIGHLIGHT_COLOR]);
929 g.drawLine(x + 1, y + height, x + width, y + height);
930 g.drawLine(x + width, y, x + width, y + height - 1);
931 g.setColor(c);
932 }
933
934 /*
935 * drawXXX() methods are used to print the native components by
936 * rendering the Motif look ourselves.
937 * ToDo(aim): needs to query native motif for more accurate color
938 * information.
939 */
940 void draw3DOval(Graphics g, Color bg,
941 int x, int y, int w, int h, boolean raised)
957 Color c = g.getColor();
958 Color shadow = bg.darker();
959 Color highlight = bg.brighter();
960
961 g.setColor(raised ? highlight : shadow);
962 g.drawLine(x, y, x, y + height);
963 g.drawLine(x + 1, y, x + width - 1, y);
964 g.setColor(raised ? shadow : highlight);
965 g.drawLine(x + 1, y + height, x + width, y + height);
966 g.drawLine(x + width, y, x + width, y + height - 1);
967 g.setColor(c);
968 }
969
970 void drawScrollbar(Graphics g, Color bg, int thickness, int length,
971 int min, int max, int val, int vis, boolean horizontal) {
972 Color c = g.getColor();
973 double f = (double)(length - 2*(thickness-1)) / Math.max(1, ((max - min) + vis));
974 int v1 = thickness + (int)(f * (val - min));
975 int v2 = (int)(f * vis);
976 int w2 = thickness-4;
977 int[] tpts_x = new int[3];
978 int[] tpts_y = new int[3];
979
980 if (length < 3*w2 ) {
981 v1 = v2 = 0;
982 if (length < 2*w2 + 2) {
983 w2 = (length-2)/2;
984 }
985 } else if (v2 < 7) {
986 // enforce a minimum handle size
987 v1 = Math.max(0, v1 - ((7 - v2)>>1));
988 v2 = 7;
989 }
990
991 int ctr = thickness/2;
992 int sbmin = ctr - w2/2;
993 int sbmax = ctr + w2/2;
994
995 // paint the background slightly darker
996 {
997 Color d = new Color((int) (bg.getRed() * 0.85),
998 (int) (bg.getGreen() * 0.85),
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