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-rw-r--r--generic/ttk/ttkClassicTheme.c515
1 files changed, 515 insertions, 0 deletions
diff --git a/generic/ttk/ttkClassicTheme.c b/generic/ttk/ttkClassicTheme.c
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+++ b/generic/ttk/ttkClassicTheme.c
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+/*
+ * $Id: ttkClassicTheme.c,v 1.6.2.2 2010/08/26 02:06:09 hobbs Exp $
+ *
+ * Copyright (c) 2004, Joe English
+ *
+ * "classic" theme; implements the classic Motif-like Tk look.
+ *
+ */
+
+#include <tk.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include "ttkTheme.h"
+
+#define DEFAULT_BORDERWIDTH "2"
+#define DEFAULT_ARROW_SIZE "15"
+
+/*----------------------------------------------------------------------
+ * +++ Highlight element implementation.
+ * Draw a solid highlight border to indicate focus.
+ */
+
+typedef struct {
+ Tcl_Obj *highlightColorObj;
+ Tcl_Obj *highlightThicknessObj;
+} HighlightElement;
+
+static Ttk_ElementOptionSpec HighlightElementOptions[] = {
+ { "-highlightcolor",TK_OPTION_COLOR,
+ Tk_Offset(HighlightElement,highlightColorObj), DEFAULT_BACKGROUND },
+ { "-highlightthickness",TK_OPTION_PIXELS,
+ Tk_Offset(HighlightElement,highlightThicknessObj), "0" },
+ { NULL, 0, 0, NULL }
+};
+
+static void HighlightElementSize(
+ void *clientData, void *elementRecord, Tk_Window tkwin,
+ int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
+{
+ HighlightElement *hl = elementRecord;
+ int highlightThickness = 0;
+
+ Tcl_GetIntFromObj(NULL,hl->highlightThicknessObj,&highlightThickness);
+ *paddingPtr = Ttk_UniformPadding((short)highlightThickness);
+}
+
+static void HighlightElementDraw(
+ void *clientData, void *elementRecord, Tk_Window tkwin,
+ Drawable d, Ttk_Box b, unsigned int state)
+{
+ HighlightElement *hl = elementRecord;
+ int highlightThickness = 0;
+ XColor *highlightColor = Tk_GetColorFromObj(tkwin, hl->highlightColorObj);
+
+ Tcl_GetIntFromObj(NULL,hl->highlightThicknessObj,&highlightThickness);
+ if (highlightColor && highlightThickness > 0) {
+ GC gc = Tk_GCForColor(highlightColor, d);
+ Tk_DrawFocusHighlight(tkwin, gc, highlightThickness, d);
+ }
+}
+
+static Ttk_ElementSpec HighlightElementSpec =
+{
+ TK_STYLE_VERSION_2,
+ sizeof(HighlightElement),
+ HighlightElementOptions,
+ HighlightElementSize,
+ HighlightElementDraw
+};
+
+/*------------------------------------------------------------------------
+ * +++ Button Border element:
+ *
+ * The Motif-style button border on X11 consists of (from outside-in):
+ *
+ * + focus indicator (controlled by -highlightcolor and -highlightthickness),
+ * + default ring (if -default active; blank if -default normal)
+ * + shaded border (controlled by -background, -borderwidth, and -relief)
+ */
+
+typedef struct {
+ Tcl_Obj *borderObj;
+ Tcl_Obj *borderWidthObj;
+ Tcl_Obj *reliefObj;
+ Tcl_Obj *defaultStateObj;
+} ButtonBorderElement;
+
+static Ttk_ElementOptionSpec ButtonBorderElementOptions[] =
+{
+ { "-background", TK_OPTION_BORDER,
+ Tk_Offset(ButtonBorderElement,borderObj), DEFAULT_BACKGROUND },
+ { "-borderwidth", TK_OPTION_PIXELS,
+ Tk_Offset(ButtonBorderElement,borderWidthObj), DEFAULT_BORDERWIDTH },
+ { "-relief", TK_OPTION_RELIEF,
+ Tk_Offset(ButtonBorderElement,reliefObj), "flat" },
+ { "-default", TK_OPTION_ANY,
+ Tk_Offset(ButtonBorderElement,defaultStateObj), "disabled" },
+ { NULL, 0, 0, NULL }
+};
+
+static void ButtonBorderElementSize(
+ void *clientData, void *elementRecord, Tk_Window tkwin,
+ int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
+{
+ ButtonBorderElement *bd = elementRecord;
+ int defaultState = TTK_BUTTON_DEFAULT_DISABLED;
+ int borderWidth = 0;
+
+ Tcl_GetIntFromObj(NULL, bd->borderWidthObj, &borderWidth);
+ Ttk_GetButtonDefaultStateFromObj(NULL, bd->defaultStateObj, &defaultState);
+
+ if (defaultState != TTK_BUTTON_DEFAULT_DISABLED) {
+ borderWidth += 5;
+ }
+ *paddingPtr = Ttk_UniformPadding((short)borderWidth);
+}
+
+/*
+ * (@@@ Note: ButtonBorderElement still still still buggy:
+ * padding for default ring is drawn in the wrong color
+ * when the button is active.)
+ */
+static void ButtonBorderElementDraw(
+ void *clientData, void *elementRecord, Tk_Window tkwin,
+ Drawable d, Ttk_Box b, unsigned int state)
+{
+ ButtonBorderElement *bd = elementRecord;
+ Tk_3DBorder border = NULL;
+ int borderWidth = 1, relief = TK_RELIEF_FLAT;
+ int defaultState = TTK_BUTTON_DEFAULT_DISABLED;
+ int inset = 0;
+
+ /*
+ * Get option values.
+ */
+ border = Tk_Get3DBorderFromObj(tkwin, bd->borderObj);
+ Tcl_GetIntFromObj(NULL, bd->borderWidthObj, &borderWidth);
+ Tk_GetReliefFromObj(NULL, bd->reliefObj, &relief);
+ Ttk_GetButtonDefaultStateFromObj(NULL, bd->defaultStateObj, &defaultState);
+
+ /*
+ * Default ring:
+ */
+ switch (defaultState)
+ {
+ case TTK_BUTTON_DEFAULT_DISABLED :
+ break;
+ case TTK_BUTTON_DEFAULT_NORMAL :
+ inset += 5;
+ break;
+ case TTK_BUTTON_DEFAULT_ACTIVE :
+ Tk_Draw3DRectangle(tkwin, d, border,
+ b.x+inset, b.y+inset, b.width - 2*inset, b.height - 2*inset,
+ 2, TK_RELIEF_FLAT);
+ inset += 2;
+ Tk_Draw3DRectangle(tkwin, d, border,
+ b.x+inset, b.y+inset, b.width - 2*inset, b.height - 2*inset,
+ 1, TK_RELIEF_SUNKEN);
+ ++inset;
+ Tk_Draw3DRectangle(tkwin, d, border,
+ b.x+inset, b.y+inset, b.width - 2*inset, b.height - 2*inset,
+ 2, TK_RELIEF_FLAT);
+ inset += 2;
+ break;
+ }
+
+ /*
+ * 3-D border:
+ */
+ if (border && borderWidth > 0) {
+ Tk_Draw3DRectangle(tkwin, d, border,
+ b.x+inset, b.y+inset, b.width - 2*inset, b.height - 2*inset,
+ borderWidth,relief);
+ }
+}
+
+static Ttk_ElementSpec ButtonBorderElementSpec =
+{
+ TK_STYLE_VERSION_2,
+ sizeof(ButtonBorderElement),
+ ButtonBorderElementOptions,
+ ButtonBorderElementSize,
+ ButtonBorderElementDraw
+};
+
+/*----------------------------------------------------------------------
+ * +++ Arrow element(s).
+ *
+ * Draws a 3-D shaded triangle.
+ * clientData is an enum ArrowDirection pointer.
+ */
+
+static int ArrowElements[] = { ARROW_UP, ARROW_DOWN, ARROW_LEFT, ARROW_RIGHT };
+typedef struct
+{
+ Tcl_Obj *sizeObj;
+ Tcl_Obj *borderObj;
+ Tcl_Obj *borderWidthObj;
+ Tcl_Obj *reliefObj;
+} ArrowElement;
+
+static Ttk_ElementOptionSpec ArrowElementOptions[] =
+{
+ { "-arrowsize", TK_OPTION_PIXELS, Tk_Offset(ArrowElement,sizeObj),
+ DEFAULT_ARROW_SIZE },
+ { "-background", TK_OPTION_BORDER, Tk_Offset(ArrowElement,borderObj),
+ DEFAULT_BACKGROUND },
+ { "-borderwidth", TK_OPTION_PIXELS, Tk_Offset(ArrowElement,borderWidthObj),
+ DEFAULT_BORDERWIDTH },
+ { "-relief", TK_OPTION_RELIEF, Tk_Offset(ArrowElement,reliefObj),"raised" },
+ { NULL, 0, 0, NULL }
+};
+
+static void ArrowElementSize(
+ void *clientData, void *elementRecord, Tk_Window tkwin,
+ int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
+{
+ ArrowElement *arrow = elementRecord;
+ int size = 12;
+
+ Tk_GetPixelsFromObj(NULL, tkwin, arrow->sizeObj, &size);
+ *widthPtr = *heightPtr = size;
+}
+
+static void ArrowElementDraw(
+ void *clientData, void *elementRecord, Tk_Window tkwin,
+ Drawable d, Ttk_Box b, unsigned int state)
+{
+ int direction = *(int *)clientData;
+ ArrowElement *arrow = elementRecord;
+ Tk_3DBorder border = Tk_Get3DBorderFromObj(tkwin, arrow->borderObj);
+ int borderWidth = 2;
+ int relief = TK_RELIEF_RAISED;
+ int size = b.width < b.height ? b.width : b.height;
+ XPoint points[3];
+
+ Tk_GetPixelsFromObj(NULL, tkwin, arrow->borderWidthObj, &borderWidth);
+ Tk_GetReliefFromObj(NULL, arrow->reliefObj, &relief);
+
+
+ /*
+ * @@@ There are off-by-one pixel errors in the way these are drawn;
+ * @@@ need to take a look at Tk_Fill3DPolygon and X11 to find the
+ * @@@ exact rules.
+ */
+ switch (direction)
+ {
+ case ARROW_UP:
+ points[2].x = b.x; points[2].y = b.y + size;
+ points[1].x = b.x + size/2; points[1].y = b.y;
+ points[0].x = b.x + size; points[0].y = b.y + size;
+ break;
+ case ARROW_DOWN:
+ points[0].x = b.x; points[0].y = b.y;
+ points[1].x = b.x + size/2; points[1].y = b.y + size;
+ points[2].x = b.x + size; points[2].y = b.y;
+ break;
+ case ARROW_LEFT:
+ points[0].x = b.x; points[0].y = b.y + size / 2;
+ points[1].x = b.x + size; points[1].y = b.y + size;
+ points[2].x = b.x + size; points[2].y = b.y;
+ break;
+ case ARROW_RIGHT:
+ points[0].x = b.x + size; points[0].y = b.y + size / 2;
+ points[1].x = b.x; points[1].y = b.y;
+ points[2].x = b.x; points[2].y = b.y + size;
+ break;
+ }
+
+ Tk_Fill3DPolygon(tkwin, d, border, points, 3, borderWidth, relief);
+}
+
+static Ttk_ElementSpec ArrowElementSpec =
+{
+ TK_STYLE_VERSION_2,
+ sizeof(ArrowElement),
+ ArrowElementOptions,
+ ArrowElementSize,
+ ArrowElementDraw
+};
+
+
+/*------------------------------------------------------------------------
+ * +++ Sash element (for ttk::panedwindow)
+ *
+ * NOTES:
+ *
+ * panedwindows with -orient horizontal use vertical sashes, and vice versa.
+ *
+ * Interpretation of -sashrelief 'groove' and 'ridge' are
+ * swapped wrt. the core panedwindow, which (I think) has them backwards.
+ *
+ * Default -sashrelief is sunken; the core panedwindow has default
+ * -sashrelief raised, but that looks wrong to me.
+ */
+
+static Ttk_Orient SashClientData[] = {
+ TTK_ORIENT_HORIZONTAL, TTK_ORIENT_VERTICAL
+};
+
+typedef struct {
+ Tcl_Obj *borderObj; /* background color */
+ Tcl_Obj *sashReliefObj; /* sash relief */
+ Tcl_Obj *sashThicknessObj; /* overall thickness of sash */
+ Tcl_Obj *sashPadObj; /* padding on either side of handle */
+ Tcl_Obj *handleSizeObj; /* handle width and height */
+ Tcl_Obj *handlePadObj; /* handle's distance from edge */
+} SashElement;
+
+static Ttk_ElementOptionSpec SashOptions[] = {
+ { "-background", TK_OPTION_BORDER,
+ Tk_Offset(SashElement,borderObj), DEFAULT_BACKGROUND },
+ { "-sashrelief", TK_OPTION_RELIEF,
+ Tk_Offset(SashElement,sashReliefObj), "sunken" },
+ { "-sashthickness", TK_OPTION_PIXELS,
+ Tk_Offset(SashElement,sashThicknessObj), "6" },
+ { "-sashpad", TK_OPTION_PIXELS,
+ Tk_Offset(SashElement,sashPadObj), "2" },
+ { "-handlesize", TK_OPTION_PIXELS,
+ Tk_Offset(SashElement,handleSizeObj), "8" },
+ { "-handlepad", TK_OPTION_PIXELS,
+ Tk_Offset(SashElement,handlePadObj), "8" },
+ { NULL, 0, 0, NULL }
+};
+
+static void SashElementSize(
+ void *clientData, void *elementRecord, Tk_Window tkwin,
+ int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr)
+{
+ SashElement *sash = elementRecord;
+ int sashPad = 2, sashThickness = 6, handleSize = 8;
+ int horizontal = *((Ttk_Orient*)clientData) == TTK_ORIENT_HORIZONTAL;
+
+ Tk_GetPixelsFromObj(NULL, tkwin, sash->sashThicknessObj, &sashThickness);
+ Tk_GetPixelsFromObj(NULL, tkwin, sash->handleSizeObj, &handleSize);
+ Tk_GetPixelsFromObj(NULL, tkwin, sash->sashPadObj, &sashPad);
+
+ if (sashThickness < handleSize + 2*sashPad)
+ sashThickness = handleSize + 2*sashPad;
+
+ if (horizontal)
+ *heightPtr = sashThickness;
+ else
+ *widthPtr = sashThickness;
+}
+
+static void SashElementDraw(
+ void *clientData, void *elementRecord, Tk_Window tkwin,
+ Drawable d, Ttk_Box b, Ttk_State state)
+{
+ SashElement *sash = elementRecord;
+ Tk_3DBorder border = Tk_Get3DBorderFromObj(tkwin, sash->borderObj);
+ GC gc1,gc2;
+ int relief = TK_RELIEF_RAISED;
+ int handleSize = 8, handlePad = 8;
+ int horizontal = *((Ttk_Orient*)clientData) == TTK_ORIENT_HORIZONTAL;
+ Ttk_Box hb;
+
+ Tk_GetPixelsFromObj(NULL, tkwin, sash->handleSizeObj, &handleSize);
+ Tk_GetPixelsFromObj(NULL, tkwin, sash->handlePadObj, &handlePad);
+ Tk_GetReliefFromObj(NULL, sash->sashReliefObj, &relief);
+
+ switch (relief) {
+ case TK_RELIEF_RAISED: case TK_RELIEF_RIDGE:
+ gc1 = Tk_3DBorderGC(tkwin, border, TK_3D_LIGHT_GC);
+ gc2 = Tk_3DBorderGC(tkwin, border, TK_3D_DARK_GC);
+ break;
+ case TK_RELIEF_SUNKEN: case TK_RELIEF_GROOVE:
+ gc1 = Tk_3DBorderGC(tkwin, border, TK_3D_DARK_GC);
+ gc2 = Tk_3DBorderGC(tkwin, border, TK_3D_LIGHT_GC);
+ break;
+ case TK_RELIEF_SOLID:
+ gc1 = gc2 = Tk_3DBorderGC(tkwin, border, TK_3D_DARK_GC);
+ break;
+ case TK_RELIEF_FLAT:
+ default:
+ gc1 = gc2 = Tk_3DBorderGC(tkwin, border, TK_3D_FLAT_GC);
+ break;
+ }
+
+ /* Draw sash line:
+ */
+ if (horizontal) {
+ int y = b.y + b.height/2 - 1;
+ XDrawLine(Tk_Display(tkwin), d, gc1, b.x, y, b.x+b.width, y); ++y;
+ XDrawLine(Tk_Display(tkwin), d, gc2, b.x, y, b.x+b.width, y);
+ } else {
+ int x = b.x + b.width/2 - 1;
+ XDrawLine(Tk_Display(tkwin), d, gc1, x, b.y, x, b.y+b.height); ++x;
+ XDrawLine(Tk_Display(tkwin), d, gc2, x, b.y, x, b.y+b.height);
+ }
+
+ /* Draw handle:
+ */
+ if (handleSize >= 0) {
+ if (horizontal) {
+ hb = Ttk_StickBox(b, handleSize, handleSize, TTK_STICK_W);
+ hb.x += handlePad;
+ } else {
+ hb = Ttk_StickBox(b, handleSize, handleSize, TTK_STICK_N);
+ hb.y += handlePad;
+ }
+ Tk_Fill3DRectangle(tkwin, d, border,
+ hb.x, hb.y, hb.width, hb.height, 1, TK_RELIEF_RAISED);
+ }
+}
+
+static Ttk_ElementSpec SashElementSpec = {
+ TK_STYLE_VERSION_2,
+ sizeof(SashElement),
+ SashOptions,
+ SashElementSize,
+ SashElementDraw
+};
+
+/*------------------------------------------------------------------------
+ * +++ Widget layouts.
+ */
+
+TTK_BEGIN_LAYOUT_TABLE(LayoutTable)
+
+TTK_LAYOUT("TButton",
+ TTK_GROUP("Button.highlight", TTK_FILL_BOTH,
+ TTK_GROUP("Button.border", TTK_FILL_BOTH|TTK_BORDER,
+ TTK_GROUP("Button.padding", TTK_FILL_BOTH,
+ TTK_NODE("Button.label", TTK_FILL_BOTH)))))
+
+TTK_LAYOUT("TCheckbutton",
+ TTK_GROUP("Checkbutton.highlight", TTK_FILL_BOTH,
+ TTK_GROUP("Checkbutton.border", TTK_FILL_BOTH,
+ TTK_GROUP("Checkbutton.padding", TTK_FILL_BOTH,
+ TTK_NODE("Checkbutton.indicator", TTK_PACK_LEFT)
+ TTK_NODE("Checkbutton.label", TTK_PACK_LEFT|TTK_FILL_BOTH)))))
+
+TTK_LAYOUT("TRadiobutton",
+ TTK_GROUP("Radiobutton.highlight", TTK_FILL_BOTH,
+ TTK_GROUP("Radiobutton.border", TTK_FILL_BOTH,
+ TTK_GROUP("Radiobutton.padding", TTK_FILL_BOTH,
+ TTK_NODE("Radiobutton.indicator", TTK_PACK_LEFT)
+ TTK_NODE("Radiobutton.label", TTK_PACK_LEFT|TTK_FILL_BOTH)))))
+
+TTK_LAYOUT("TMenubutton",
+ TTK_GROUP("Menubutton.highlight", TTK_FILL_BOTH,
+ TTK_GROUP("Menubutton.border", TTK_FILL_BOTH,
+ TTK_NODE("Menubutton.indicator", TTK_PACK_RIGHT)
+ TTK_GROUP("Menubutton.padding", TTK_PACK_LEFT|TTK_EXPAND|TTK_FILL_X,
+ TTK_NODE("Menubutton.label", 0)))))
+
+/* "classic" entry, includes highlight border */
+TTK_LAYOUT("TEntry",
+ TTK_GROUP("Entry.highlight", TTK_FILL_BOTH,
+ TTK_GROUP("Entry.field", TTK_FILL_BOTH|TTK_BORDER,
+ TTK_GROUP("Entry.padding", TTK_FILL_BOTH,
+ TTK_NODE("Entry.textarea", TTK_FILL_BOTH)))))
+
+/* Notebook tabs -- omit focus ring */
+TTK_LAYOUT("Tab",
+ TTK_GROUP("Notebook.tab", TTK_FILL_BOTH,
+ TTK_GROUP("Notebook.padding", TTK_FILL_BOTH,
+ TTK_NODE("Notebook.label", TTK_FILL_BOTH))))
+
+TTK_END_LAYOUT_TABLE
+
+/* POSSIBLY: include Scale layouts w/focus border
+ */
+
+/*------------------------------------------------------------------------
+ * TtkClassicTheme_Init --
+ * Install classic theme.
+ */
+
+MODULE_SCOPE int TtkClassicTheme_Init(Tcl_Interp *interp)
+{
+ Ttk_Theme theme = Ttk_CreateTheme(interp, "classic", NULL);
+
+ if (!theme) {
+ return TCL_ERROR;
+ }
+
+ /*
+ * Register elements:
+ */
+ Ttk_RegisterElement(interp, theme, "highlight",
+ &HighlightElementSpec, NULL);
+
+ Ttk_RegisterElement(interp, theme, "Button.border",
+ &ButtonBorderElementSpec, 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, "arrow",
+ &ArrowElementSpec, &ArrowElements[0]);
+
+ Ttk_RegisterElement(interp, theme, "hsash",
+ &SashElementSpec, &SashClientData[0]);
+ Ttk_RegisterElement(interp, theme, "vsash",
+ &SashElementSpec, &SashClientData[1]);
+
+ /*
+ * Register layouts:
+ */
+ Ttk_RegisterLayouts(theme, LayoutTable);
+
+ Tcl_PkgProvide(interp, "ttk::theme::classic", TTK_VERSION);
+
+ return TCL_OK;
+}
+
+/*EOF*/