/*
* 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*/