--- /dev/null
+/*
+ * Copyright (C) 2004 Joe English
+ *
+ * "clam" theme; inspired by the XFCE family of Gnome themes.
+ */
+
+#include "tkInt.h"
+#include "ttkTheme.h"
+
+/*
+ * Under windows, the Tk-provided XDrawLine and XDrawArc have an
+ * off-by-one error in the end point. This is especially apparent with this
+ * theme. Defining this macro as true handles this case.
+ */
+#if defined(_WIN32) && !defined(WIN32_XDRAWLINE_HACK)
+# define WIN32_XDRAWLINE_HACK 1
+#else
+# define WIN32_XDRAWLINE_HACK 0
+#endif
+
+#define STR(x) StR(x)
+#define StR(x) #x
+
+#define SCROLLBAR_THICKNESS 14
+
+#define FRAME_COLOR "#dcdad5"
+#define LIGHT_COLOR "#ffffff"
+#define DARK_COLOR "#cfcdc8"
+#define DARKER_COLOR "#bab5ab"
+#define DARKEST_COLOR "#9e9a91"
+
+/*------------------------------------------------------------------------
+ * +++ Utilities.
+ */
+
+static GC Ttk_GCForColor(Tk_Window tkwin, Tcl_Obj* colorObj, Drawable d)
+{
+ GC gc = Tk_GCForColor(Tk_GetColorFromObj(tkwin, colorObj), d);
+
+#ifdef MAC_OSX_TK
+ /*
+ * Workaround for Tk bug under Aqua where the default line width is 0.
+ */
+ Display *display = Tk_Display(tkwin);
+ unsigned long mask = 0ul;
+ XGCValues gcValues;
+
+ gcValues.line_width = 1;
+ mask = GCLineWidth;
+
+ XChangeGC(display, gc, mask, &gcValues);
+#endif
+
+ return gc;
+}
+
+static void DrawSmoothBorder(
+ Tk_Window tkwin, Drawable d, Ttk_Box b,
+ Tcl_Obj *outerColorObj, Tcl_Obj *upperColorObj, Tcl_Obj *lowerColorObj)
+{
+ Display *display = Tk_Display(tkwin);
+ int x1 = b.x, x2 = b.x + b.width - 1;
+ int y1 = b.y, y2 = b.y + b.height - 1;
+ const int w = WIN32_XDRAWLINE_HACK;
+ GC gc;
+
+ if ( outerColorObj
+ && (gc=Ttk_GCForColor(tkwin,outerColorObj,d)))
+ {
+ XDrawLine(display,d,gc, x1+1,y1, x2-1+w,y1); /* N */
+ XDrawLine(display,d,gc, x1+1,y2, x2-1+w,y2); /* S */
+ XDrawLine(display,d,gc, x1,y1+1, x1,y2-1+w); /* E */
+ XDrawLine(display,d,gc, x2,y1+1, x2,y2-1+w); /* W */
+ }
+
+ if ( upperColorObj
+ && (gc=Ttk_GCForColor(tkwin,upperColorObj,d)))
+ {
+ XDrawLine(display,d,gc, x1+1,y1+1, x2-1+w,y1+1); /* N */
+ XDrawLine(display,d,gc, x1+1,y1+1, x1+1,y2-1); /* E */
+ }
+
+ if ( lowerColorObj
+ && (gc=Ttk_GCForColor(tkwin,lowerColorObj,d)))
+ {
+ XDrawLine(display,d,gc, x2-1,y2-1, x1+1-w,y2-1); /* S */
+ XDrawLine(display,d,gc, x2-1,y2-1, x2-1,y1+1-w); /* W */
+ }
+}
+
+static GC BackgroundGC(Tk_Window tkwin, Tcl_Obj *backgroundObj)
+{
+ Tk_3DBorder bd = Tk_Get3DBorderFromObj(tkwin, backgroundObj);
+ return Tk_3DBorderGC(tkwin, bd, TK_3D_FLAT_GC);
+}
+
+/*------------------------------------------------------------------------
+ * +++ Border element.
+ */
+
+typedef struct {
+ Tcl_Obj *borderColorObj;
+ Tcl_Obj *lightColorObj;
+ Tcl_Obj *darkColorObj;
+ Tcl_Obj *reliefObj;
+ Tcl_Obj *borderWidthObj; /* See <<NOTE-BORDERWIDTH>> */
+} BorderElement;
+
+static Ttk_ElementOptionSpec BorderElementOptions[] = {
+ { "-bordercolor", TK_OPTION_COLOR,
+ Tk_Offset(BorderElement,borderColorObj), DARKEST_COLOR },
+ { "-lightcolor", TK_OPTION_COLOR,
+ Tk_Offset(BorderElement,lightColorObj), LIGHT_COLOR },
+ { "-darkcolor", TK_OPTION_COLOR,
+ Tk_Offset(BorderElement,darkColorObj), DARK_COLOR },
+ { "-relief", TK_OPTION_RELIEF,
+ Tk_Offset(BorderElement,reliefObj), "flat" },
+ { "-borderwidth", TK_OPTION_PIXELS,
+ Tk_Offset(BorderElement,borderWidthObj), "2" },
+ { NULL, TK_OPTION_BOOLEAN, 0, NULL }
+};
+
+/*
+ * <<NOTE-BORDERWIDTH>>: -borderwidth is only partially supported:
+ * in this theme, borders are always exactly 2 pixels thick.
+ * With -borderwidth 0, border is not drawn at all;
+ * otherwise a 2-pixel border is used. For -borderwidth > 2,
+ * the excess is used as padding.
+ */
+
+static void BorderElementSize(
+ void *dummy, void *elementRecord, Tk_Window tkwin,
+ int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
+{
+ BorderElement *border = (BorderElement*)elementRecord;
+ int borderWidth = 2;
+ (void)dummy;
+ (void)widthPtr;
+ (void)heightPtr;
+
+ Tk_GetPixelsFromObj(NULL, tkwin, border->borderWidthObj, &borderWidth);
+ if (borderWidth == 1) ++borderWidth;
+ *paddingPtr = Ttk_UniformPadding((short)borderWidth);
+}
+
+static void BorderElementDraw(
+ void *dummy, void *elementRecord, Tk_Window tkwin,
+ Drawable d, Ttk_Box b, unsigned state)
+{
+ BorderElement *border = (BorderElement *)elementRecord;
+ int relief = TK_RELIEF_FLAT;
+ int borderWidth = 2;
+ Tcl_Obj *outer = 0, *upper = 0, *lower = 0;
+ (void)dummy;
+ (void)state;
+
+ Tk_GetReliefFromObj(NULL, border->reliefObj, &relief);
+ Tk_GetPixelsFromObj(NULL, tkwin, border->borderWidthObj, &borderWidth);
+
+ if (borderWidth == 0) return;
+
+ switch (relief) {
+ case TK_RELIEF_GROOVE :
+ case TK_RELIEF_RIDGE :
+ case TK_RELIEF_RAISED :
+ outer = border->borderColorObj;
+ upper = border->lightColorObj;
+ lower = border->darkColorObj;
+ break;
+ case TK_RELIEF_SUNKEN :
+ outer = border->borderColorObj;
+ upper = border->darkColorObj;
+ lower = border->lightColorObj;
+ break;
+ case TK_RELIEF_FLAT :
+ outer = upper = lower = 0;
+ break;
+ case TK_RELIEF_SOLID :
+ outer = upper = lower = border->borderColorObj;
+ break;
+ }
+
+ DrawSmoothBorder(tkwin, d, b, outer, upper, lower);
+}
+
+static Ttk_ElementSpec BorderElementSpec = {
+ TK_STYLE_VERSION_2,
+ sizeof(BorderElement),
+ BorderElementOptions,
+ BorderElementSize,
+ BorderElementDraw
+};
+
+/*------------------------------------------------------------------------
+ * +++ Field element.
+ */
+
+typedef struct {
+ Tcl_Obj *borderColorObj;
+ Tcl_Obj *lightColorObj;
+ Tcl_Obj *darkColorObj;
+ Tcl_Obj *backgroundObj;
+} FieldElement;
+
+static Ttk_ElementOptionSpec FieldElementOptions[] = {
+ { "-bordercolor", TK_OPTION_COLOR,
+ Tk_Offset(FieldElement,borderColorObj), DARKEST_COLOR },
+ { "-lightcolor", TK_OPTION_COLOR,
+ Tk_Offset(FieldElement,lightColorObj), LIGHT_COLOR },
+ { "-darkcolor", TK_OPTION_COLOR,
+ Tk_Offset(FieldElement,darkColorObj), DARK_COLOR },
+ { "-fieldbackground", TK_OPTION_BORDER,
+ Tk_Offset(FieldElement,backgroundObj), "white" },
+ { NULL, TK_OPTION_BOOLEAN, 0, NULL }
+};
+
+static void FieldElementSize(
+ void *dummy, void *elementRecord, Tk_Window tkwin,
+ int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
+{
+ (void)dummy;
+ (void)elementRecord;
+ (void)tkwin;
+ (void)widthPtr;
+ (void)heightPtr;
+
+ *paddingPtr = Ttk_UniformPadding(2);
+}
+
+static void FieldElementDraw(
+ void *dummy, void *elementRecord, Tk_Window tkwin,
+ Drawable d, Ttk_Box b, unsigned state)
+{
+ FieldElement *field = (FieldElement *)elementRecord;
+ Tk_3DBorder bg = Tk_Get3DBorderFromObj(tkwin, field->backgroundObj);
+ Ttk_Box f = Ttk_PadBox(b, Ttk_UniformPadding(2));
+ Tcl_Obj *outer = field->borderColorObj,
+ *inner = field->lightColorObj;
+ (void)dummy;
+ (void)state;
+
+ DrawSmoothBorder(tkwin, d, b, outer, inner, inner);
+ Tk_Fill3DRectangle(
+ tkwin, d, bg, f.x, f.y, f.width, f.height, 0, TK_RELIEF_SUNKEN);
+}
+
+static Ttk_ElementSpec FieldElementSpec = {
+ TK_STYLE_VERSION_2,
+ sizeof(FieldElement),
+ FieldElementOptions,
+ FieldElementSize,
+ FieldElementDraw
+};
+
+/*
+ * Modified field element for comboboxes:
+ * Right edge is expanded to overlap the dropdown button.
+ */
+static void ComboboxFieldElementDraw(
+ void *clientData, void *elementRecord, Tk_Window tkwin,
+ Drawable d, Ttk_Box b, unsigned state)
+{
+ FieldElement *field = (FieldElement *)elementRecord;
+ GC gc = Ttk_GCForColor(tkwin,field->borderColorObj,d);
+
+ ++b.width;
+ FieldElementDraw(clientData, elementRecord, tkwin, d, b, state);
+
+ XDrawLine(Tk_Display(tkwin), d, gc,
+ b.x + b.width - 1, b.y,
+ b.x + b.width - 1, b.y + b.height - 1 + WIN32_XDRAWLINE_HACK);
+}
+
+static Ttk_ElementSpec ComboboxFieldElementSpec = {
+ TK_STYLE_VERSION_2,
+ sizeof(FieldElement),
+ FieldElementOptions,
+ FieldElementSize,
+ ComboboxFieldElementDraw
+};
+
+/*------------------------------------------------------------------------
+ * +++ Indicator elements for check and radio buttons.
+ */
+
+typedef struct {
+ Tcl_Obj *sizeObj;
+ Tcl_Obj *marginObj;
+ Tcl_Obj *backgroundObj;
+ Tcl_Obj *foregroundObj;
+ Tcl_Obj *upperColorObj;
+ Tcl_Obj *lowerColorObj;
+} IndicatorElement;
+
+static Ttk_ElementOptionSpec IndicatorElementOptions[] = {
+ { "-indicatorsize", TK_OPTION_PIXELS,
+ Tk_Offset(IndicatorElement,sizeObj), "10" },
+ { "-indicatormargin", TK_OPTION_STRING,
+ Tk_Offset(IndicatorElement,marginObj), "1" },
+ { "-indicatorbackground", TK_OPTION_COLOR,
+ Tk_Offset(IndicatorElement,backgroundObj), "white" },
+ { "-indicatorforeground", TK_OPTION_COLOR,
+ Tk_Offset(IndicatorElement,foregroundObj), "black" },
+ { "-upperbordercolor", TK_OPTION_COLOR,
+ Tk_Offset(IndicatorElement,upperColorObj), DARKEST_COLOR },
+ { "-lowerbordercolor", TK_OPTION_COLOR,
+ Tk_Offset(IndicatorElement,lowerColorObj), DARK_COLOR },
+ { NULL, TK_OPTION_BOOLEAN, 0, NULL }
+};
+
+static void IndicatorElementSize(
+ void *dummy, void *elementRecord, Tk_Window tkwin,
+ int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
+{
+ IndicatorElement *indicator = (IndicatorElement *)elementRecord;
+ Ttk_Padding margins;
+ int size = 10;
+ (void)dummy;
+ (void)paddingPtr;
+
+ Ttk_GetPaddingFromObj(NULL, tkwin, indicator->marginObj, &margins);
+ Tk_GetPixelsFromObj(NULL, tkwin, indicator->sizeObj, &size);
+ *widthPtr = size + Ttk_PaddingWidth(margins);
+ *heightPtr = size + Ttk_PaddingHeight(margins);
+}
+
+static void RadioIndicatorElementDraw(
+ void *dummy, void *elementRecord, Tk_Window tkwin,
+ Drawable d, Ttk_Box b, unsigned state)
+{
+ IndicatorElement *indicator = (IndicatorElement *)elementRecord;
+ GC gcb=Ttk_GCForColor(tkwin,indicator->backgroundObj,d);
+ GC gcf=Ttk_GCForColor(tkwin,indicator->foregroundObj,d);
+ GC gcu=Ttk_GCForColor(tkwin,indicator->upperColorObj,d);
+ GC gcl=Ttk_GCForColor(tkwin,indicator->lowerColorObj,d);
+ Ttk_Padding padding;
+ (void)dummy;
+
+ Ttk_GetPaddingFromObj(NULL, tkwin, indicator->marginObj, &padding);
+ b = Ttk_PadBox(b, padding);
+
+ XFillArc(Tk_Display(tkwin),d,gcb, b.x,b.y,b.width,b.height, 0,360*64);
+ XDrawArc(Tk_Display(tkwin),d,gcl, b.x,b.y,b.width,b.height, 225*64,180*64);
+ XDrawArc(Tk_Display(tkwin),d,gcu, b.x,b.y,b.width,b.height, 45*64,180*64);
+
+ if (state & TTK_STATE_SELECTED) {
+ b = Ttk_PadBox(b,Ttk_UniformPadding(3));
+ XFillArc(Tk_Display(tkwin),d,gcf, b.x,b.y,b.width,b.height, 0,360*64);
+ XDrawArc(Tk_Display(tkwin),d,gcf, b.x,b.y,b.width,b.height, 0,360*64);
+#if WIN32_XDRAWLINE_HACK
+ XDrawArc(Tk_Display(tkwin),d,gcf, b.x,b.y,b.width,b.height, 300*64,360*64);
+#endif
+ }
+}
+
+static void CheckIndicatorElementDraw(
+ void *dummy, void *elementRecord, Tk_Window tkwin,
+ Drawable d, Ttk_Box b, unsigned state)
+{
+ Display *display = Tk_Display(tkwin);
+ IndicatorElement *indicator = (IndicatorElement *)elementRecord;
+
+ GC gcb=Ttk_GCForColor(tkwin,indicator->backgroundObj,d);
+ GC gcf=Ttk_GCForColor(tkwin,indicator->foregroundObj,d);
+ GC gcu=Ttk_GCForColor(tkwin,indicator->upperColorObj,d);
+ GC gcl=Ttk_GCForColor(tkwin,indicator->lowerColorObj,d);
+ Ttk_Padding padding;
+ const int w = WIN32_XDRAWLINE_HACK;
+ (void)dummy;
+
+ Ttk_GetPaddingFromObj(NULL, tkwin, indicator->marginObj, &padding);
+ b = Ttk_PadBox(b, padding);
+
+ XFillRectangle(display,d,gcb, b.x,b.y,b.width,b.height);
+ XDrawLine(display,d,gcl,b.x,b.y+b.height,b.x+b.width+w,b.y+b.height);/*S*/
+ XDrawLine(display,d,gcl,b.x+b.width,b.y,b.x+b.width,b.y+b.height+w); /*E*/
+ XDrawLine(display,d,gcu,b.x,b.y, b.x,b.y+b.height+w); /*W*/
+ XDrawLine(display,d,gcu,b.x,b.y, b.x+b.width+w,b.y); /*N*/
+
+ if (state & TTK_STATE_SELECTED) {
+ int p,q,r,s;
+
+ b = Ttk_PadBox(b,Ttk_UniformPadding(2));
+ p = b.x, q = b.y, r = b.x+b.width, s = b.y+b.height;
+
+ r+=w, s+=w;
+ XDrawLine(display, d, gcf, p, q, r, s);
+ XDrawLine(display, d, gcf, p+1, q, r, s-1);
+ XDrawLine(display, d, gcf, p, q+1, r-1, s);
+
+ s-=w, q-=w;
+ XDrawLine(display, d, gcf, p, s, r, q);
+ XDrawLine(display, d, gcf, p+1, s, r, q+1);
+ XDrawLine(display, d, gcf, p, s-1, r-1, q);
+ }
+}
+
+static Ttk_ElementSpec RadioIndicatorElementSpec = {
+ TK_STYLE_VERSION_2,
+ sizeof(IndicatorElement),
+ IndicatorElementOptions,
+ IndicatorElementSize,
+ RadioIndicatorElementDraw
+};
+
+static Ttk_ElementSpec CheckIndicatorElementSpec = {
+ TK_STYLE_VERSION_2,
+ sizeof(IndicatorElement),
+ IndicatorElementOptions,
+ IndicatorElementSize,
+ CheckIndicatorElementDraw
+};
+
+#define MENUBUTTON_ARROW_SIZE 5
+
+typedef struct {
+ Tcl_Obj *sizeObj;
+ Tcl_Obj *colorObj;
+ Tcl_Obj *paddingObj;
+} MenuIndicatorElement;
+
+static Ttk_ElementOptionSpec MenuIndicatorElementOptions[] =
+{
+ { "-arrowsize", TK_OPTION_PIXELS,
+ Tk_Offset(MenuIndicatorElement,sizeObj),
+ STR(MENUBUTTON_ARROW_SIZE)},
+ { "-arrowcolor",TK_OPTION_COLOR,
+ Tk_Offset(MenuIndicatorElement,colorObj),
+ "black" },
+ { "-arrowpadding",TK_OPTION_STRING,
+ Tk_Offset(MenuIndicatorElement,paddingObj),
+ "3" },
+ { NULL, TK_OPTION_BOOLEAN, 0, NULL }
+};
+
+static void MenuIndicatorElementSize(
+ void *dummy, void *elementRecord, Tk_Window tkwin,
+ int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
+{
+ MenuIndicatorElement *indicator = (MenuIndicatorElement *)elementRecord;
+ Ttk_Padding margins;
+ int size = MENUBUTTON_ARROW_SIZE;
+ (void)dummy;
+ (void)paddingPtr;
+
+ Tk_GetPixelsFromObj(NULL, tkwin, indicator->sizeObj, &size);
+ Ttk_GetPaddingFromObj(NULL, tkwin, indicator->paddingObj, &margins);
+ TtkArrowSize(size, ARROW_DOWN, widthPtr, heightPtr);
+ *widthPtr += Ttk_PaddingWidth(margins);
+ *heightPtr += Ttk_PaddingHeight(margins);
+}
+
+static void MenuIndicatorElementDraw(
+ void *dummy, void *elementRecord, Tk_Window tkwin,
+ Drawable d, Ttk_Box b, unsigned int state)
+{
+ MenuIndicatorElement *indicator = (MenuIndicatorElement *)elementRecord;
+ XColor *arrowColor = Tk_GetColorFromObj(tkwin, indicator->colorObj);
+ GC gc = Tk_GCForColor(arrowColor, d);
+ int size = MENUBUTTON_ARROW_SIZE;
+ int width, height;
+ (void)dummy;
+ (void)state;
+
+ Tk_GetPixelsFromObj(NULL, tkwin, indicator->sizeObj, &size);
+
+ TtkArrowSize(size, ARROW_DOWN, &width, &height);
+ b = Ttk_StickBox(b, width, height, 0);
+ TtkFillArrow(Tk_Display(tkwin), d, gc, b, ARROW_DOWN);
+}
+
+static Ttk_ElementSpec MenuIndicatorElementSpec =
+{
+ TK_STYLE_VERSION_2,
+ sizeof(MenuIndicatorElement),
+ MenuIndicatorElementOptions,
+ MenuIndicatorElementSize,
+ MenuIndicatorElementDraw
+};
+
+/*------------------------------------------------------------------------
+ * +++ Grips.
+ *
+ * TODO: factor this with ThumbElementDraw
+ */
+
+static Ttk_Orient GripClientData[] = {
+ TTK_ORIENT_HORIZONTAL, TTK_ORIENT_VERTICAL
+};
+
+typedef struct {
+ Tcl_Obj *lightColorObj;
+ Tcl_Obj *borderColorObj;
+ Tcl_Obj *gripCountObj;
+} GripElement;
+
+static Ttk_ElementOptionSpec GripElementOptions[] = {
+ { "-lightcolor", TK_OPTION_COLOR,
+ Tk_Offset(GripElement,lightColorObj), LIGHT_COLOR },
+ { "-bordercolor", TK_OPTION_COLOR,
+ Tk_Offset(GripElement,borderColorObj), DARKEST_COLOR },
+ { "-gripcount", TK_OPTION_INT,
+ Tk_Offset(GripElement,gripCountObj), "5" },
+ { NULL, TK_OPTION_BOOLEAN, 0, NULL }
+};
+
+static void GripElementSize(
+ void *clientData, void *elementRecord, Tk_Window tkwin,
+ int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
+{
+ int horizontal = *((Ttk_Orient*)clientData) == TTK_ORIENT_HORIZONTAL;
+ GripElement *grip = (GripElement *)elementRecord;
+ int gripCount = 0;
+ (void)tkwin;
+ (void)paddingPtr;
+
+ Tcl_GetIntFromObj(NULL, grip->gripCountObj, &gripCount);
+ if (horizontal) {
+ *widthPtr = 2*gripCount;
+ } else {
+ *heightPtr = 2*gripCount;
+ }
+}
+
+static void GripElementDraw(
+ void *clientData, void *elementRecord, Tk_Window tkwin,
+ Drawable d, Ttk_Box b, unsigned state)
+{
+ const int w = WIN32_XDRAWLINE_HACK;
+ int horizontal = *((Ttk_Orient*)clientData) == TTK_ORIENT_HORIZONTAL;
+ GripElement *grip = (GripElement *)elementRecord;
+ GC lightGC = Ttk_GCForColor(tkwin,grip->lightColorObj,d);
+ GC darkGC = Ttk_GCForColor(tkwin,grip->borderColorObj,d);
+ int gripPad = 1, gripCount = 0;
+ int i;
+
+ Tcl_GetIntFromObj(NULL, grip->gripCountObj, &gripCount);
+
+ if (horizontal) {
+ int x = b.x + b.width / 2 - gripCount;
+ int y1 = b.y + gripPad, y2 = b.y + b.height - gripPad - 1 + w;
+ for (i=0; i<gripCount; ++i) {
+ XDrawLine(Tk_Display(tkwin), d, darkGC, x,y1, x,y2); ++x;
+ XDrawLine(Tk_Display(tkwin), d, lightGC, x,y1, x,y2); ++x;
+ }
+ } else {
+ int y = b.y + b.height / 2 - gripCount;
+ int x1 = b.x + gripPad, x2 = b.x + b.width - gripPad - 1 + w;
+ for (i=0; i<gripCount; ++i) {
+ XDrawLine(Tk_Display(tkwin), d, darkGC, x1,y, x2,y); ++y;
+ XDrawLine(Tk_Display(tkwin), d, lightGC, x1,y, x2,y); ++y;
+ }
+ }
+}
+
+static Ttk_ElementSpec GripElementSpec = {
+ TK_STYLE_VERSION_2,
+ sizeof(GripElement),
+ GripElementOptions,
+ GripElementSize,
+ GripElementDraw
+};
+
+/*------------------------------------------------------------------------
+ * +++ Scrollbar elements: trough, arrows, thumb.
+ *
+ * Notice that the trough element has 0 internal padding;
+ * that way the thumb and arrow borders overlap the trough.
+ */
+
+typedef struct { /* Common element record for scrollbar elements */
+ Tcl_Obj *orientObj;
+ Tcl_Obj *backgroundObj;
+ Tcl_Obj *borderColorObj;
+ Tcl_Obj *troughColorObj;
+ Tcl_Obj *lightColorObj;
+ Tcl_Obj *darkColorObj;
+ Tcl_Obj *arrowColorObj;
+ Tcl_Obj *arrowSizeObj;
+ Tcl_Obj *gripCountObj;
+ Tcl_Obj *sliderlengthObj;
+} ScrollbarElement;
+
+static Ttk_ElementOptionSpec ScrollbarElementOptions[] = {
+ { "-orient", TK_OPTION_ANY,
+ Tk_Offset(ScrollbarElement, orientObj), "horizontal" },
+ { "-background", TK_OPTION_BORDER,
+ Tk_Offset(ScrollbarElement,backgroundObj), FRAME_COLOR },
+ { "-bordercolor", TK_OPTION_COLOR,
+ Tk_Offset(ScrollbarElement,borderColorObj), DARKEST_COLOR },
+ { "-troughcolor", TK_OPTION_COLOR,
+ Tk_Offset(ScrollbarElement,troughColorObj), DARKER_COLOR },
+ { "-lightcolor", TK_OPTION_COLOR,
+ Tk_Offset(ScrollbarElement,lightColorObj), LIGHT_COLOR },
+ { "-darkcolor", TK_OPTION_COLOR,
+ Tk_Offset(ScrollbarElement,darkColorObj), DARK_COLOR },
+ { "-arrowcolor", TK_OPTION_COLOR,
+ Tk_Offset(ScrollbarElement,arrowColorObj), "#000000" },
+ { "-arrowsize", TK_OPTION_PIXELS,
+ Tk_Offset(ScrollbarElement,arrowSizeObj), STR(SCROLLBAR_THICKNESS) },
+ { "-gripcount", TK_OPTION_INT,
+ Tk_Offset(ScrollbarElement,gripCountObj), "5" },
+ { "-sliderlength", TK_OPTION_INT,
+ Tk_Offset(ScrollbarElement,sliderlengthObj), "30" },
+ { NULL, TK_OPTION_BOOLEAN, 0, NULL }
+};
+
+static void TroughElementDraw(
+ void *dummy, void *elementRecord, Tk_Window tkwin,
+ Drawable d, Ttk_Box b, unsigned state)
+{
+ ScrollbarElement *sb = (ScrollbarElement *)elementRecord;
+ GC gcb = Ttk_GCForColor(tkwin,sb->borderColorObj,d);
+ GC gct = Ttk_GCForColor(tkwin,sb->troughColorObj,d);
+ (void)dummy;
+ (void)state;
+
+ XFillRectangle(Tk_Display(tkwin), d, gct, b.x, b.y, b.width-1, b.height-1);
+ XDrawRectangle(Tk_Display(tkwin), d, gcb, b.x, b.y, b.width-1, b.height-1);
+}
+
+static Ttk_ElementSpec TroughElementSpec = {
+ TK_STYLE_VERSION_2,
+ sizeof(ScrollbarElement),
+ ScrollbarElementOptions,
+ TtkNullElementSize,
+ TroughElementDraw
+};
+
+static void ThumbElementSize(
+ void *dummy, void *elementRecord, Tk_Window tkwin,
+ int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
+{
+ ScrollbarElement *sb = (ScrollbarElement *)elementRecord;
+ int size = SCROLLBAR_THICKNESS;
+ (void)dummy;
+ (void)tkwin;
+ (void)paddingPtr;
+
+ Tcl_GetIntFromObj(NULL, sb->arrowSizeObj, &size);
+ *widthPtr = *heightPtr = size;
+}
+
+static void ThumbElementDraw(
+ void *dummy, void *elementRecord, Tk_Window tkwin,
+ Drawable d, Ttk_Box b, unsigned state)
+{
+ ScrollbarElement *sb = (ScrollbarElement *)elementRecord;
+ int gripCount = 0;
+ int orient = TTK_ORIENT_HORIZONTAL;
+ GC lightGC, darkGC;
+ int x1, y1, x2, y2, dx, dy, i;
+ const int w = WIN32_XDRAWLINE_HACK;
+ (void)dummy;
+ (void)state;
+
+ DrawSmoothBorder(tkwin, d, b,
+ sb->borderColorObj, sb->lightColorObj, sb->darkColorObj);
+ XFillRectangle(
+ Tk_Display(tkwin), d, BackgroundGC(tkwin, sb->backgroundObj),
+ b.x+2, b.y+2, b.width-4, b.height-4);
+
+ /*
+ * Draw grip:
+ */
+ Ttk_GetOrientFromObj(NULL, sb->orientObj, &orient);
+ Tcl_GetIntFromObj(NULL, sb->gripCountObj, &gripCount);
+ lightGC = Ttk_GCForColor(tkwin,sb->lightColorObj,d);
+ darkGC = Ttk_GCForColor(tkwin,sb->borderColorObj,d);
+
+ if (orient == TTK_ORIENT_HORIZONTAL) {
+ dx = 1; dy = 0;
+ x1 = x2 = b.x + b.width / 2 - gripCount;
+ y1 = b.y + 2;
+ y2 = b.y + b.height - 3 + w;
+ } else {
+ dx = 0; dy = 1;
+ y1 = y2 = b.y + b.height / 2 - gripCount;
+ x1 = b.x + 2;
+ x2 = b.x + b.width - 3 + w;
+ }
+
+ for (i=0; i<gripCount; ++i) {
+ XDrawLine(Tk_Display(tkwin), d, darkGC, x1,y1, x2,y2);
+ x1 += dx; x2 += dx; y1 += dy; y2 += dy;
+ XDrawLine(Tk_Display(tkwin), d, lightGC, x1,y1, x2,y2);
+ x1 += dx; x2 += dx; y1 += dy; y2 += dy;
+ }
+}
+
+static Ttk_ElementSpec ThumbElementSpec = {
+ TK_STYLE_VERSION_2,
+ sizeof(ScrollbarElement),
+ ScrollbarElementOptions,
+ ThumbElementSize,
+ ThumbElementDraw
+};
+
+/*------------------------------------------------------------------------
+ * +++ Slider element.
+ */
+static void SliderElementSize(
+ void *dummy, void *elementRecord, Tk_Window tkwin,
+ int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
+{
+ ScrollbarElement *sb = (ScrollbarElement *)elementRecord;
+ int length, thickness;
+ int orient;
+ (void)dummy;
+ (void)paddingPtr;
+
+ length = thickness = SCROLLBAR_THICKNESS;
+ Ttk_GetOrientFromObj(NULL, sb->orientObj, &orient);
+ Tcl_GetIntFromObj(NULL, sb->arrowSizeObj, &thickness);
+ Tk_GetPixelsFromObj(NULL, tkwin, sb->sliderlengthObj, &length);
+ if (orient == TTK_ORIENT_VERTICAL) {
+ *heightPtr = length;
+ *widthPtr = thickness;
+ } else {
+ *heightPtr = thickness;
+ *widthPtr = length;
+ }
+
+}
+
+static Ttk_ElementSpec SliderElementSpec = {
+ TK_STYLE_VERSION_2,
+ sizeof(ScrollbarElement),
+ ScrollbarElementOptions,
+ SliderElementSize,
+ ThumbElementDraw
+};
+
+/*------------------------------------------------------------------------
+ * +++ Progress bar element
+ */
+static void PbarElementSize(
+ void *clientData, void *elementRecord, Tk_Window tkwin,
+ int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
+{
+ SliderElementSize(clientData, elementRecord, tkwin,
+ widthPtr, heightPtr, paddingPtr);
+ *paddingPtr = Ttk_UniformPadding(2);
+ *widthPtr += 4;
+ *heightPtr += 4;
+}
+
+static void PbarElementDraw(
+ void *dummy, void *elementRecord, Tk_Window tkwin,
+ Drawable d, Ttk_Box b, unsigned state)
+{
+ ScrollbarElement *sb = (ScrollbarElement *)elementRecord;
+ (void)dummy;
+ (void)state;
+
+ b = Ttk_PadBox(b, Ttk_UniformPadding(2));
+ if (b.width > 4 && b.height > 4) {
+ DrawSmoothBorder(tkwin, d, b,
+ sb->borderColorObj, sb->lightColorObj, sb->darkColorObj);
+ XFillRectangle(Tk_Display(tkwin), d,
+ BackgroundGC(tkwin, sb->backgroundObj),
+ b.x+2, b.y+2, b.width-4, b.height-4);
+ }
+}
+
+static Ttk_ElementSpec PbarElementSpec = {
+ TK_STYLE_VERSION_2,
+ sizeof(ScrollbarElement),
+ ScrollbarElementOptions,
+ PbarElementSize,
+ PbarElementDraw
+};
+
+
+/*------------------------------------------------------------------------
+ * +++ Scrollbar arrows.
+ */
+static int ArrowElements[] = { ARROW_UP, ARROW_DOWN, ARROW_LEFT, ARROW_RIGHT };
+
+static void ArrowElementSize(
+ void *dummy, void *elementRecord, Tk_Window tkwin,
+ int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
+{
+ ScrollbarElement *sb = (ScrollbarElement *)elementRecord;
+ int size = SCROLLBAR_THICKNESS;
+ (void)dummy;
+ (void)tkwin;
+ (void)paddingPtr;
+
+ Tcl_GetIntFromObj(NULL, sb->arrowSizeObj, &size);
+ *widthPtr = *heightPtr = size;
+}
+
+static void ArrowElementDraw(
+ void *clientData, void *elementRecord, Tk_Window tkwin,
+ Drawable d, Ttk_Box b, unsigned state)
+{
+ ArrowDirection direction = *(ArrowDirection*)clientData;
+ ScrollbarElement *sb = (ScrollbarElement *)elementRecord;
+ GC gc = Ttk_GCForColor(tkwin,sb->arrowColorObj, d);
+ int h, cx, cy;
+
+ DrawSmoothBorder(tkwin, d, b,
+ sb->borderColorObj, sb->lightColorObj, sb->darkColorObj);
+
+ XFillRectangle(
+ Tk_Display(tkwin), d, BackgroundGC(tkwin, sb->backgroundObj),
+ b.x+2, b.y+2, b.width-4, b.height-4);
+
+ b = Ttk_PadBox(b, Ttk_UniformPadding(3));
+ h = b.width < b.height ? b.width : b.height;
+ TtkArrowSize(h/2, direction, &cx, &cy);
+ b = Ttk_AnchorBox(b, cx, cy, TK_ANCHOR_CENTER);
+
+ TtkFillArrow(Tk_Display(tkwin), d, gc, b, direction);
+}
+
+static Ttk_ElementSpec ArrowElementSpec = {
+ TK_STYLE_VERSION_2,
+ sizeof(ScrollbarElement),
+ ScrollbarElementOptions,
+ ArrowElementSize,
+ ArrowElementDraw
+};
+
+
+/*------------------------------------------------------------------------
+ * +++ Notebook elements.
+ *
+ * Note: Tabs, except for the rightmost, overlap the neighbor to
+ * their right by one pixel.
+ */
+
+typedef struct {
+ Tcl_Obj *backgroundObj;
+ Tcl_Obj *borderColorObj;
+ Tcl_Obj *lightColorObj;
+ Tcl_Obj *darkColorObj;
+} NotebookElement;
+
+static Ttk_ElementOptionSpec NotebookElementOptions[] = {
+ { "-background", TK_OPTION_BORDER,
+ Tk_Offset(NotebookElement,backgroundObj), FRAME_COLOR },
+ { "-bordercolor", TK_OPTION_COLOR,
+ Tk_Offset(NotebookElement,borderColorObj), DARKEST_COLOR },
+ { "-lightcolor", TK_OPTION_COLOR,
+ Tk_Offset(NotebookElement,lightColorObj), LIGHT_COLOR },
+ { "-darkcolor", TK_OPTION_COLOR,
+ Tk_Offset(NotebookElement,darkColorObj), DARK_COLOR },
+ { NULL, TK_OPTION_BOOLEAN, 0, NULL }
+};
+
+static void TabElementSize(
+ void *dummy, void *elementRecord, Tk_Window tkwin,
+ int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
+{
+ int borderWidth = 2;
+ (void)dummy;
+ (void)elementRecord;
+ (void)tkwin;
+ (void)widthPtr;
+ (void)heightPtr;
+
+ paddingPtr->top = paddingPtr->left = paddingPtr->right = borderWidth;
+ paddingPtr->bottom = 0;
+}
+
+static void TabElementDraw(
+ void *dummy, void *elementRecord, Tk_Window tkwin,
+ Drawable d, Ttk_Box b, unsigned int state)
+{
+ NotebookElement *tab = (NotebookElement *)elementRecord;
+ Tk_3DBorder border = Tk_Get3DBorderFromObj(tkwin, tab->backgroundObj);
+ Display *display = Tk_Display(tkwin);
+ int borderWidth = 2, dh = 0;
+ int x1,y1,x2,y2;
+ GC gc;
+ const int w = WIN32_XDRAWLINE_HACK;
+ (void)dummy;
+
+ if (state & TTK_STATE_SELECTED) {
+ dh = borderWidth;
+ }
+
+ if (state & TTK_STATE_USER2) { /* Rightmost tab */
+ --b.width;
+ }
+
+ Tk_Fill3DRectangle(tkwin, d, border,
+ b.x+2, b.y+2, b.width-1, b.height-2+dh, borderWidth, TK_RELIEF_FLAT);
+
+ x1 = b.x, x2 = b.x + b.width;
+ y1 = b.y, y2 = b.y + b.height;
+
+
+ gc=Ttk_GCForColor(tkwin,tab->borderColorObj,d);
+ XDrawLine(display,d,gc, x1,y1+1, x1,y2+w);
+ XDrawLine(display,d,gc, x2,y1+1, x2,y2+w);
+ XDrawLine(display,d,gc, x1+1,y1, x2-1+w,y1);
+
+ gc=Ttk_GCForColor(tkwin,tab->lightColorObj,d);
+ XDrawLine(display,d,gc, x1+1,y1+1, x1+1,y2-1+dh+w);
+ XDrawLine(display,d,gc, x1+1,y1+1, x2-1+w,y1+1);
+}
+
+static Ttk_ElementSpec TabElementSpec =
+{
+ TK_STYLE_VERSION_2,
+ sizeof(NotebookElement),
+ NotebookElementOptions,
+ TabElementSize,
+ TabElementDraw
+};
+
+static void ClientElementSize(
+ void *dummy, void *elementRecord, Tk_Window tkwin,
+ int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
+{
+ int borderWidth = 2;
+ (void)dummy;
+ (void)elementRecord;
+ (void)tkwin;
+ (void)widthPtr;
+ (void)heightPtr;
+
+ *paddingPtr = Ttk_UniformPadding((short)borderWidth);
+}
+
+static void ClientElementDraw(
+ void *dummy, void *elementRecord, Tk_Window tkwin,
+ Drawable d, Ttk_Box b, unsigned int state)
+{
+ NotebookElement *ce = (NotebookElement *)elementRecord;
+ Tk_3DBorder border = Tk_Get3DBorderFromObj(tkwin, ce->backgroundObj);
+ int borderWidth = 2;
+ (void)dummy;
+ (void)state;
+
+ Tk_Fill3DRectangle(tkwin, d, border,
+ b.x, b.y, b.width, b.height, borderWidth,TK_RELIEF_FLAT);
+ DrawSmoothBorder(tkwin, d, b,
+ ce->borderColorObj, ce->lightColorObj, ce->darkColorObj);
+}
+
+static Ttk_ElementSpec ClientElementSpec =
+{
+ TK_STYLE_VERSION_2,
+ sizeof(NotebookElement),
+ NotebookElementOptions,
+ ClientElementSize,
+ ClientElementDraw
+};
+
+/*------------------------------------------------------------------------
+ * +++ Modified widget layouts.
+ */
+
+TTK_BEGIN_LAYOUT_TABLE(LayoutTable)
+
+TTK_LAYOUT("TCombobox",
+ TTK_NODE("Combobox.downarrow", TTK_PACK_RIGHT|TTK_FILL_Y)
+ TTK_GROUP("Combobox.field", TTK_FILL_BOTH,
+ TTK_GROUP("Combobox.padding", TTK_FILL_BOTH,
+ TTK_NODE("Combobox.textarea", TTK_FILL_BOTH))))
+
+TTK_LAYOUT("Horizontal.Sash",
+ TTK_GROUP("Sash.hsash", TTK_FILL_BOTH,
+ TTK_NODE("Sash.hgrip", TTK_FILL_BOTH)))
+
+TTK_LAYOUT("Vertical.Sash",
+ TTK_GROUP("Sash.vsash", TTK_FILL_BOTH,
+ TTK_NODE("Sash.vgrip", TTK_FILL_BOTH)))
+
+TTK_END_LAYOUT_TABLE
+
+/*------------------------------------------------------------------------
+ * +++ Initialization.
+ */
+
+MODULE_SCOPE int
+TtkClamTheme_Init(Tcl_Interp *interp)
+{
+ Ttk_Theme theme = Ttk_CreateTheme(interp, "clam", 0);
+
+ if (!theme) {
+ return TCL_ERROR;
+ }
+
+ Ttk_RegisterElement(interp,
+ theme, "border", &BorderElementSpec, NULL);
+ Ttk_RegisterElement(interp,
+ theme, "field", &FieldElementSpec, NULL);
+ Ttk_RegisterElement(interp,
+ theme, "Combobox.field", &ComboboxFieldElementSpec, NULL);
+ Ttk_RegisterElement(interp,
+ theme, "trough", &TroughElementSpec, NULL);
+ Ttk_RegisterElement(interp,
+ theme, "thumb", &ThumbElementSpec, NULL);
+ Ttk_RegisterElement(interp,
+ theme, "uparrow", &ArrowElementSpec, &ArrowElements[0]);
+ Ttk_RegisterElement(interp,
+ theme, "downarrow", &ArrowElementSpec, &ArrowElements[1]);
+ Ttk_RegisterElement(interp,
+ theme, "leftarrow", &ArrowElementSpec, &ArrowElements[2]);
+ Ttk_RegisterElement(interp,
+ theme, "rightarrow", &ArrowElementSpec, &ArrowElements[3]);
+
+ Ttk_RegisterElement(interp,
+ theme, "Radiobutton.indicator", &RadioIndicatorElementSpec, NULL);
+ Ttk_RegisterElement(interp,
+ theme, "Checkbutton.indicator", &CheckIndicatorElementSpec, NULL);
+ Ttk_RegisterElement(interp,
+ theme, "Menubutton.indicator", &MenuIndicatorElementSpec, NULL);
+
+ Ttk_RegisterElement(interp, theme, "tab", &TabElementSpec, NULL);
+ Ttk_RegisterElement(interp, theme, "client", &ClientElementSpec, NULL);
+
+ Ttk_RegisterElement(interp, theme, "slider", &SliderElementSpec, NULL);
+ Ttk_RegisterElement(interp, theme, "bar", &PbarElementSpec, NULL);
+ Ttk_RegisterElement(interp, theme, "pbar", &PbarElementSpec, NULL);
+
+ Ttk_RegisterElement(interp, theme, "hgrip",
+ &GripElementSpec, &GripClientData[0]);
+ Ttk_RegisterElement(interp, theme, "vgrip",
+ &GripElementSpec, &GripClientData[1]);
+
+ Ttk_RegisterLayouts(theme, LayoutTable);
+
+ Tcl_PkgProvide(interp, "ttk::theme::clam", TTK_VERSION);
+
+ return TCL_OK;
+}
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