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/* vi:set ts=8 sts=4 sw=4:
*
* VIM - Vi IMproved by Bram Moolenaar
*
* Do ":help uganda" in Vim to read copying and usage conditions.
* Do ":help credits" in Vim to see a list of people who contributed.
* See README.txt for an overview of the Vim source code.
*/
/*
*
* (C) 2002,2005 by Marcin Dalecki <martin@dalecki.de>
*
* MARCIN DALECKI ASSUMES NO RESPONSIBILITY FOR THE USE OR INABILITY TO USE ANY
* OF THIS SOFTWARE . THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
* KIND, AND MARCIN DALECKI EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES,
* INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE.
*/

/*
* Enhanced Motif PushButton widget with move over behavior.
*/

#include "vim.h"

#ifdef FEAT_TOOLBAR

#include <Xm/XmP.h>
#include <Xm/DrawP.h>
#if defined(HAVE_XM_TRAITP_H) && defined(HAVE_XM_MANAGER_H) \
&& defined(HAVE_XM_UNHIGHLIGHTT_H) && defined(HAVE_XM_XPMP_H)
# include <Xm/TraitP.h>
# include <Xm/Manager.h>
# include <Xm/UnhighlightT.h>
# include <Xm/XpmP.h>
# define UNHIGHLIGHTT
#else
# include <X11/xpm.h>
#endif
#include <Xm/ManagerP.h>
#include <Xm/Display.h>
#include <Xm/DisplayP.h>

#include <X11/Shell.h>
#include <X11/ShellP.h>

#include "gui_xmebwp.h"

/* Provide some missing wrappers, which are missed from the LessTif
* implementation. Also missing in Motif 1.2 and earlier.
*
* We neither use XmeGetPixmapData or _XmGetPixmapData, since with LessTif the
* pixmap will not appear in it's caches properly. We cache the interesting
* values in XmEnhancedButtonPart instead ourself.
*/
#if defined(LESSTIF_VERSION) || (XmVersion <= 1002)
# ifndef Lab_IsMenupane
# define Lab_IsMenupane(w) (Lab_MenuType(w) == (int)XmMENU_POPUP || \
Lab_MenuType(w) == (int)XmMENU_PULLDOWN)
# endif
# define XmeClearBorder _XmClearBorder
# define XmeDrawShadows _XmDrawShadows
# define XmeDrawHighlight(a, b, c, d, e, f, g, h) \
_XmDrawHighlight(a, b, c, d, e, f, g, h, LineSolid)
#endif

/*
* Motif internals we have to cheat around with.
*/

/* Hopefully this will never change... */
#ifndef XmFOCUS_IGNORE
# define XmFOCUS_IGNORE 1<<1
#endif

extern Boolean _XmGetInDragMode(Widget widget);
extern void _XmPrimitiveEnter(Widget wid,
XEvent * event,
String * params, Cardinal * num_params);
extern void _XmPrimitiveLeave(Widget wid,
XEvent * event,
String * params, Cardinal * num_params);
extern void _XmSetFocusFlag(Widget w, unsigned int mask, Boolean value);
extern void _XmCalcLabelDimensions(Widget wid);

/*
* Declaration of class methods.
*/
static void Destroy(Widget w);
static void Initialize(Widget rq, Widget eb, ArgList args, Cardinal *n);
static Boolean SetValues(Widget current, Widget request, Widget new, ArgList args, Cardinal *n);
static void Redisplay(Widget, XEvent *, Region);

/*
* Declaration of action methods.
*/
static void Enter(Widget, XEvent *, String *, Cardinal *);
static void Leave(Widget, XEvent *, String *, Cardinal *);
static void BorderHighlight(Widget);
static void BorderUnhighlight(Widget);

/*
* 4 x 4 stipple for desensitized widgets
*/
#define stipple_width 4
#define stipple_height 4
static char stipple_bits[] = { 0x0a, 0x05, 0x0a, 0x05 };
#define STIPPLE_BITMAP xmEnhancedButtonClassRec.enhancedbutton_class.stipple_bitmap

/*
* Override actions.
*/
static XtActionsRec actionsList[] =
{
    {"Enter", Enter},
    {"Leave", Leave},
};

static XtResource resources[] =
{
    {
XmNpixmapData, XmCPixmap, XmRString, sizeof(String),
XtOffsetOf(XmEnhancedButtonRec, enhancedbutton.pixmap_data),
XmRImmediate, (XtPointer) NULL
    }, {
XmNpixmapFile, XmCPixmap, XmRString, sizeof(String),
XtOffsetOf(XmEnhancedButtonRec, enhancedbutton.pixmap_file),
XmRImmediate, (XtPointer) NULL
    }, {
XmNspacing, XmCSpacing, XmRHorizontalDimension, sizeof(Dimension),
XtOffsetOf(XmEnhancedButtonRec, enhancedbutton.spacing),
XmRImmediate, (XtPointer) 2
    },
    {
XmNlabelLocation, XmCLocation, XmRInt, sizeof(int),
XtOffsetOf(XmEnhancedButtonRec, enhancedbutton.label_location),
XtRImmediate, (XtPointer) XmRIGHT
    }
};

/* This is needed to work around a bug in Lesstif 2, leaving the extension
* NULL somehow results in getting it set to an invalid pointer. */
XmPrimitiveClassExtRec xmEnhancedButtonPrimClassExtRec =
{
    /* next_extension */ NULL,
    /* record_type */ NULLQUARK,
    /* version */ XmPrimitiveClassExtVersion,
    /* record_size */ sizeof(XmPrimitiveClassExtRec),
    /* widget_baseline */ XmInheritBaselineProc,
    /* widget_display_rect */ XmInheritDisplayRectProc,
    /* widget_margins */ NULL
};

XmEnhancedButtonClassRec xmEnhancedButtonClassRec =
{
    {
/* core_class fields */
/* superclass */ (WidgetClass) & xmPushButtonClassRec,
/* class_name */ "XmEnhancedButton",
/* widget_size */ sizeof(XmEnhancedButtonRec),
/* class_initialize */ NULL,
/* class_part_initialize */ NULL,
/* class_inited */ False,
/* initialize */ Initialize,
/* initialize_hook */ NULL,
/* realize */ XtInheritRealize,
/* actions */ actionsList,
/* num_actions */ XtNumber(actionsList),
/* resources */ resources,
/* num_resources */ XtNumber(resources),
/* xrm_class */ NULLQUARK,
/* compress_motion */ True,
/* compress_exposure */ XtExposeCompressMaximal,
/* compress_enterleave */ True,
/* visible_interest */ False,
/* destroy */ Destroy,
/* resize */ XtInheritResize,
/* expose */ Redisplay,
/* set_values */ SetValues,
/* set_values_hook */ NULL,
/* set_values_almost */ XtInheritSetValuesAlmost,
/* get_values_hook */ NULL,
/* accept_focus */ XtInheritAcceptFocus,
/* version */ XtVersion,
/* callback_private */ NULL,
/* tm_table */ NULL,
/* query_geometry */ NULL,
/* display_accelerator */ XtInheritDisplayAccelerator,
/* extension */ NULL
    },

    /* primitive_class fields */
    {
/* border highlight */ BorderHighlight,
/* border_unhighlight */ BorderUnhighlight,
/* translations */ XtInheritTranslations,
/* arm and activate */ XmInheritArmAndActivate,
/* synthetic resources */ NULL,
/* number of syn res */ 0,
/* extension */ (XtPointer)&xmEnhancedButtonPrimClassExtRec,
    },

    /* label_class fields */
    {
/* setOverrideCallback */ XmInheritSetOverrideCallback,
/* menuProcs */ XmInheritMenuProc,
/* translations */ XtInheritTranslations,
/* extension */ NULL,
    },

    /* pushbutton_class record */
    {
/* extension */ (XtPointer) NULL,
    },

    /* enhancedbutton_class fields */
    {
/* stipple_bitmap */ None
    }
};


WidgetClass xmEnhancedButtonWidgetClass =
(WidgetClass)&xmEnhancedButtonClassRec;


/*
* Create a slightly fainter pixmap to be shown on button entry.
*/
    static unsigned short
bump_color(unsigned short value)
{
    int tmp = 2 * (((int) value - 65535) / 3) + 65535;

    return tmp;
}

    static int
alloc_color(Display *display,
Colormap colormap,
char *colorname,
XColor *xcolor,
void *closure UNUSED)
{
    int status;

    if (colorname)
if (!XParseColor(display, colormap, colorname, xcolor))
return -1;

    xcolor->red = bump_color(xcolor->red);
    xcolor->green = bump_color(xcolor->green);
    xcolor->blue = bump_color(xcolor->blue);

    status = XAllocColor(display, colormap, xcolor);
    return status != 0 ? 1 : 0;
}

/* XPM */
static char * blank_xpm[] =
{
/* width height ncolors cpp [x_hot y_hot] */
"12 12 4 1 0 0",
/* colors */
" s iconColor1 m black c #000000",
". s none m none c none",
"X s topShadowColor m none c #DCDEE5",
"o s bottomShadowColor m black c #5D6069",
/* pixels */
" ..",
" XXXXXXXX ..",
" X....... o.",
" X....... o.",
" X....... o.",
" X....... o.",
" X....... o.",
" X....... o.",
" X....... o.",
" o.",
"..ooooooooo.",
"............"};

/*
* Set the pixmap.
*/
    static void
set_pixmap(XmEnhancedButtonWidget eb)
{
    /* Configure defines XPMATTRIBUTES_TYPE as XpmAttributes or as
* XpmAttributes_21, depending on what is in Xm/XpmP.h. */
    XPMATTRIBUTES_TYPE attr;
    Pixmap sen_pix;
    Window root;
    static XpmColorSymbol color[8] = {
{"none", "none", 0},
{"None", "none", 0},
{"background", NULL, 0},
{"foreground", NULL, 0},
{"bottomShadowColor", NULL, 0},
{"topShadowColor", NULL, 0},
{"highlightColor", NULL, 0},
{"armColor", NULL, 0}
    };
    int scr;
    Display *dpy = XtDisplay(eb);
    int x;
    int y;
    unsigned int height, width, border, depth;
    int status = 0;
    Pixmap mask;
    Pixmap pix = None;
    Pixmap arm_pix = None;
    Pixmap ins_pix = None;
    Pixmap high_pix = None;
    char **data = (char **) eb->enhancedbutton.pixmap_data;
    char *fname = (char *) eb->enhancedbutton.pixmap_file;
    int shift;
    GC gc;

    /* Make sure there is a default value for the pixmap.
*/
    if (!data)
return;

    gc = XtGetGC((Widget)eb, (XtGCMask)0, NULL);

    scr = DefaultScreen(dpy);
    root = RootWindow(dpy, scr);

    eb->label.pixmap = None;

    eb->enhancedbutton.pixmap_depth = 0;
    eb->enhancedbutton.pixmap_width = 0;
    eb->enhancedbutton.pixmap_height = 0;
    eb->enhancedbutton.normal_pixmap = None;
    eb->enhancedbutton.armed_pixmap = None;
    eb->enhancedbutton.highlight_pixmap = None;
    eb->enhancedbutton.insensitive_pixmap = None;

    /* We use dynamic colors, get them now. */
    motif_get_toolbar_colors(
&eb->core.background_pixel,
&eb->primitive.foreground,
&eb->primitive.bottom_shadow_color,
&eb->primitive.top_shadow_color,
&eb->primitive.highlight_color);

    /* Setup color subsititution table. */
    color[0].pixel = eb->core.background_pixel;
    color[1].pixel = eb->core.background_pixel;
    color[2].pixel = eb->core.background_pixel;
    color[3].pixel = eb->primitive.foreground;
    color[4].pixel = eb->core.background_pixel;
    color[5].pixel = eb->primitive.top_shadow_color;
    color[6].pixel = eb->primitive.highlight_color;
    color[7].pixel = eb->pushbutton.arm_color;

    /* Create the "sensitive" pixmap. */
    attr.valuemask = XpmColorSymbols | XpmCloseness;
    attr.closeness = 65535; /* accuracy isn't crucial */
    attr.colorsymbols = color;
    attr.numsymbols = XtNumber(color);

    if (fname)
status = XpmReadFileToPixmap(dpy, root, fname, &pix, &mask, &attr);
    if (!fname || status != XpmSuccess)
status = XpmCreatePixmapFromData(dpy, root, data, &pix, &mask, &attr);

    /* If something failed, we will fill in the default pixmap. */
    if (status != XpmSuccess)
status = XpmCreatePixmapFromData(dpy, root, blank_xpm, &pix,
&mask, &attr);

    XpmFreeAttributes(&attr);

    XGetGeometry(dpy, pix, &root, &x, &y, &width, &height, &border, &depth);

    if (eb->enhancedbutton.label_location == (int)XmTOP
|| eb->enhancedbutton.label_location == (int)XmBOTTOM)
shift = eb->primitive.shadow_thickness / 2;
    else
shift = eb->primitive.shadow_thickness / 2;

    if (shift < 1)
shift = 1;

    sen_pix = XCreatePixmap(dpy, root, width + shift, height + shift, depth);

    XSetForeground(dpy, gc, eb->core.background_pixel);
    XFillRectangle(dpy, sen_pix, gc, 0, 0, width + shift, height + shift);
    XSetClipMask(dpy, gc, mask);
    XSetClipOrigin(dpy, gc, shift, shift);
    XCopyArea(dpy, pix, sen_pix, gc, 0, 0, width, height, shift, shift);

    /* Create the "highlight" pixmap. */
    color[4].pixel = eb->primitive.bottom_shadow_color;
#ifdef XpmAllocColor /* SGI doesn't have it */
    attr.valuemask = XpmColorSymbols | XpmCloseness | XpmAllocColor;
    attr.alloc_color = alloc_color;
#else
    attr.valuemask = XpmColorSymbols | XpmCloseness;
#endif
    attr.closeness = 65535; /* accuracy isn't crucial */
    attr.colorsymbols = color;
    attr.numsymbols = XtNumber(color);

    status = XpmCreatePixmapFromData(dpy, root, data, &pix, NULL, &attr);
    XpmFreeAttributes(&attr);

    high_pix = XCreatePixmap(dpy, root, width + shift, height + shift, depth);

#if 1
    XSetForeground(dpy, gc, eb->core.background_pixel);
#else
    XSetForeground(dpy, gc, eb->primitive.top_shadow_color);
#endif
    XSetClipMask(dpy, gc, None);
    XFillRectangle(dpy, high_pix, gc, 0, 0, width + shift, height + shift);
    XSetClipMask(dpy, gc, mask);
    XSetClipOrigin(dpy, gc, 0, 0);
    XCopyArea(dpy, pix, high_pix, gc, 0, 0, width, height, 0, 0);

    arm_pix = XCreatePixmap(dpy, pix, width + shift, height + shift, depth);

    if (eb->pushbutton.fill_on_arm)
XSetForeground(dpy, gc, eb->pushbutton.arm_color);
    else
XSetForeground(dpy, gc, eb->core.background_pixel);
    XSetClipOrigin(dpy, gc, shift, shift);
    XSetClipMask(dpy, gc, None);
    XFillRectangle(dpy, arm_pix, gc, 0, 0, width + shift, height + shift);
    XSetClipMask(dpy, gc, mask);
    XSetClipOrigin(dpy, gc, 2 * shift, 2 * shift);
    XCopyArea(dpy, pix, arm_pix, gc, 0, 0, width, height, 2 * shift, 2 * shift);

    XFreePixmap(dpy, pix);
    XFreePixmap(dpy, mask);

    /* Create the "insensitive" pixmap. */
    attr.valuemask = XpmColorSymbols | XpmCloseness | XpmColorKey;
    attr.closeness = 65535; /* accuracy isn't crucial */
    attr.colorsymbols = color;
    attr.numsymbols = sizeof(color) / sizeof(color[0]);
    attr.color_key = XPM_MONO;
    status = XpmCreatePixmapFromData(dpy, root, data, &pix, &mask, &attr);

    /* Need to create new Pixmaps with the mask applied. */

    ins_pix = XCreatePixmap(dpy, root, width + shift, height + shift, depth);

    XSetForeground(dpy, gc, eb->core.background_pixel);
    XSetClipOrigin(dpy, gc, 0, 0);
    XSetClipMask(dpy, gc, None);
    XFillRectangle(dpy, ins_pix, gc, 0, 0, width + shift, height + shift);
    XSetClipMask(dpy, gc, mask);
    XSetForeground(dpy, gc, eb->primitive.top_shadow_color);
    XSetClipOrigin(dpy, gc, 2 * shift, 2 * shift);
    XFillRectangle(dpy, ins_pix, gc, 2 * shift, 2 * shift, width, height);
    XSetForeground(dpy, gc, eb->primitive.bottom_shadow_color);
    XSetClipOrigin(dpy, gc, shift, shift);
    XFillRectangle(dpy, ins_pix, gc, 0, 0, width + shift, height + shift);
    XtReleaseGC((Widget) eb, gc);

    XpmFreeAttributes(&attr);

    eb->enhancedbutton.pixmap_depth = depth;
    eb->enhancedbutton.pixmap_width = width;
    eb->enhancedbutton.pixmap_height = height;
    eb->enhancedbutton.normal_pixmap = sen_pix;
    eb->enhancedbutton.highlight_pixmap = high_pix;
    eb->enhancedbutton.insensitive_pixmap = ins_pix;
    eb->enhancedbutton.armed_pixmap = arm_pix;

    eb->enhancedbutton.doing_setvalues = True;
    eb->enhancedbutton.doing_setvalues = False;

    XFreePixmap(dpy, pix);
    XFreePixmap(dpy, mask);
}

#define BUTTON_MASK ( \
Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask \
)

    static void
draw_shadows(XmEnhancedButtonWidget eb)
{
    GC top_gc;
    GC bottom_gc;
    Boolean etched_in;

    if (!eb->primitive.shadow_thickness)
       return;

    if ((eb->core.width <= 2 * eb->primitive.highlight_thickness)
|| (eb->core.height <= 2 * eb->primitive.highlight_thickness))
return;

#if !defined(LESSTIF_VERSION) && (XmVersion > 1002)
    {
XmDisplay dpy;

dpy = (XmDisplay) XmGetXmDisplay(XtDisplay(eb));
etched_in = dpy->display.enable_etched_in_menu;
    }
#else
    etched_in = False;
#endif
    if (!etched_in ^ eb->pushbutton.armed)
    {
top_gc = eb->primitive.top_shadow_GC;
bottom_gc = eb->primitive.bottom_shadow_GC;
    }
    else
    {
top_gc = eb->primitive.bottom_shadow_GC;
bottom_gc = eb->primitive.top_shadow_GC;
    }

    XmeDrawShadows(XtDisplay(eb), XtWindow(eb),
top_gc,
bottom_gc,
eb->primitive.highlight_thickness,
eb->primitive.highlight_thickness,
eb->core.width - 2 * eb->primitive.highlight_thickness,
eb->core.height - 2 * eb->primitive.highlight_thickness,
eb->primitive.shadow_thickness,
(unsigned)(etched_in ? XmSHADOW_IN : XmSHADOW_OUT));
}

    static void
draw_highlight(XmEnhancedButtonWidget eb)
{
    eb->primitive.highlighted = True;
    eb->primitive.highlight_drawn = True;

    if (!XtWidth(eb) || !XtHeight(eb) || !eb->primitive.highlight_thickness)
return;

    XmeDrawHighlight(XtDisplay(eb), XtWindow(eb),
eb->primitive.highlight_GC, 0, 0,
XtWidth(eb), XtHeight(eb),
eb->primitive.highlight_thickness);
}

    static void
draw_unhighlight(XmEnhancedButtonWidget eb)
{
    GC manager_background_GC;

    eb->primitive.highlighted = False;
    eb->primitive.highlight_drawn = False;

    if (!XtWidth(eb) || !XtHeight(eb) || !eb->primitive.highlight_thickness)
return;

    if (XmIsManager(eb->core.parent))
    {
#ifdef UNHIGHLIGHTT
XmSpecifyUnhighlightTrait UnhighlightT;

if (((UnhighlightT = (XmSpecifyUnhighlightTrait) XmeTraitGet((XtPointer)
XtClass(eb->core.parent), XmQTspecifyUnhighlight))
!= NULL) && (UnhighlightT->getUnhighlightGC != NULL))
{
/* if unhighlight trait in parent use specified GC... */
manager_background_GC =
UnhighlightT->getUnhighlightGC(eb->core.parent, (Widget) eb);
}
else
{
/* ...otherwise, use parent's background GC */
manager_background_GC = ((XmManagerWidget)
(eb->core.parent))->manager.background_GC;
}
#else
manager_background_GC = ((XmManagerWidget)
(eb->core.parent))->manager.background_GC;
#endif
XmeDrawHighlight(XtDisplay(eb), XtWindow(eb),
manager_background_GC,
0, 0, XtWidth(eb), XtHeight(eb),
eb->primitive.highlight_thickness);
if (!eb->pushbutton.armed && eb->primitive.shadow_thickness)
XmeClearBorder(XtDisplay(eb), XtWindow(eb),
eb->primitive.highlight_thickness,
eb->primitive.highlight_thickness,
eb->core.width - 2 * eb->primitive.highlight_thickness,
eb->core.height - 2 * eb->primitive.highlight_thickness,
eb->primitive.shadow_thickness);
    }
    else
XmeClearBorder(XtDisplay(eb), XtWindow(eb), 0, 0, XtWidth(eb),
XtHeight(eb), eb->primitive.highlight_thickness);
}

    static void
draw_pixmap(XmEnhancedButtonWidget eb,
XEvent *event UNUSED,
Region region UNUSED)
{
    Pixmap pix;
    GC gc = eb->label.normal_GC;
    int depth;
    Cardinal width;
    Cardinal height;
    Cardinal w;
    Cardinal h;
    int x;
    int y;

    if (!XtIsSensitive((Widget) eb))
pix = eb->enhancedbutton.insensitive_pixmap;
    else
    {
if (eb->primitive.highlighted && !eb->pushbutton.armed)
pix = eb->enhancedbutton.highlight_pixmap;
else if (eb->pushbutton.armed)
pix = eb->enhancedbutton.armed_pixmap;
else
pix = eb->enhancedbutton.normal_pixmap;
    }

    if (pix == None || !eb->enhancedbutton.pixmap_data)
return;

    depth = eb->enhancedbutton.pixmap_depth;
    w = eb->enhancedbutton.pixmap_width;
    h = eb->enhancedbutton.pixmap_height;

    gc = eb->label.normal_GC;
    x = eb->primitive.highlight_thickness
+ eb->primitive.shadow_thickness
+ eb->label.margin_width;
    y = eb->primitive.highlight_thickness
+ eb->primitive.shadow_thickness
+ eb->label.margin_height;
    width = eb->core.width - 2 * x;
    if (w < width)
width = w;
    height = eb->core.height - 2 * y;
    if (h < height)
height = h;
    if (depth == (int)eb->core.depth)
XCopyArea(XtDisplay(eb), pix, XtWindow(eb), gc, 0, 0,
width, height, x, y);
    else if (depth == 1)
XCopyPlane(XtDisplay(eb), pix, XtWindow(eb), gc, 0, 0,
width, height, x, y, (unsigned long)1);
}

/*
* Draw the label contained in the pushbutton.
*/
    static void
draw_label(XmEnhancedButtonWidget eb, XEvent *event, Region region)
{
    GC tmp_gc = NULL;
    Boolean replaceGC = False;
    Boolean deadjusted = False;
#if !defined(LESSTIF_VERSION) && (XmVersion > 1002)
    XmDisplay dpy = (XmDisplay)XmGetXmDisplay(XtDisplay(eb));
    Boolean etched_in = dpy->display.enable_etched_in_menu;
#else
    Boolean etched_in = False;
#endif

    if (eb->pushbutton.armed
&& ((!Lab_IsMenupane(eb) && eb->pushbutton.fill_on_arm)
|| (Lab_IsMenupane(eb) && etched_in)))
    {
if (eb->label.label_type == (int)XmSTRING
&& eb->pushbutton.arm_color == eb->primitive.foreground)
{
tmp_gc = eb->label.normal_GC;
eb->label.normal_GC = eb->pushbutton.background_gc;
replaceGC = True;
}
    }

    /*
* If the button contains a labeled pixmap, we will take it instead of our
* own pixmap.
*/

    if (eb->label.label_type == (int)XmPIXMAP)
    {
if (eb->pushbutton.armed)
{
if (eb->pushbutton.arm_pixmap != XmUNSPECIFIED_PIXMAP)
eb->label.pixmap = eb->pushbutton.arm_pixmap;
else
eb->label.pixmap = eb->pushbutton.unarm_pixmap;
}
else
/* pushbutton is not armed */
eb->label.pixmap = eb->pushbutton.unarm_pixmap;
    }

    /*
* Temporarily remove the Xm3D_ENHANCE_PIXEL hack ("adjustment") from the
* margin values, so we don't confuse Label.
*/
    if (eb->pushbutton.default_button_shadow_thickness > 0)
    {
deadjusted = True;
Lab_MarginLeft(eb) -= Xm3D_ENHANCE_PIXEL;
Lab_MarginRight(eb) -= Xm3D_ENHANCE_PIXEL;
Lab_MarginTop(eb) -= Xm3D_ENHANCE_PIXEL;
Lab_MarginBottom(eb) -= Xm3D_ENHANCE_PIXEL;
    }

    {
XtExposeProc expose;

XtProcessLock();
expose = xmLabelClassRec.core_class.expose;
XtProcessUnlock();
(*expose)((Widget) eb, event, region);
    }

    if (deadjusted)
    {
Lab_MarginLeft(eb) += Xm3D_ENHANCE_PIXEL;
Lab_MarginRight(eb) += Xm3D_ENHANCE_PIXEL;
Lab_MarginTop(eb) += Xm3D_ENHANCE_PIXEL;
Lab_MarginBottom(eb) += Xm3D_ENHANCE_PIXEL;
    }

    if (replaceGC)
eb->label.normal_GC = tmp_gc;
}

    static void
Enter(Widget wid,
      XEvent *event,
      String *params UNUSED,
      Cardinal *num_params UNUSED)
{
    XmEnhancedButtonWidget eb = (XmEnhancedButtonWidget) wid;
    XmPushButtonCallbackStruct call_value;

    if (Lab_IsMenupane(eb))
    {
if ((((ShellWidget) XtParent(XtParent(eb)))->shell.popped_up)
&& _XmGetInDragMode((Widget) eb))
{
#if !defined(LESSTIF_VERSION) && (XmVersion > 1002)
XmDisplay dpy = (XmDisplay) XmGetXmDisplay(XtDisplay(wid));
Boolean etched_in = dpy->display.enable_etched_in_menu;
#else
Boolean etched_in = False;
#endif

if (eb->pushbutton.armed)
return;

/* ...so KHelp event is delivered correctly. */
_XmSetFocusFlag(XtParent(XtParent(eb)), XmFOCUS_IGNORE, TRUE);
XtSetKeyboardFocus(XtParent(XtParent(eb)), (Widget) eb);
_XmSetFocusFlag(XtParent(XtParent(eb)), XmFOCUS_IGNORE, FALSE);

eb->pushbutton.armed = TRUE;

((XmManagerWidget) XtParent(wid))->manager.active_child = wid;

/* etched in menu button */
if (etched_in && !XmIsTearOffButton(eb))
{
XFillRectangle(XtDisplay(eb), XtWindow(eb),
eb->pushbutton.fill_gc,
0, 0, eb->core.width, eb->core.height);
draw_label(eb, event, NULL);
draw_pixmap(eb, event, NULL);
}

if ((eb->core.width > 2 * eb->primitive.highlight_thickness)
&& (eb->core.height >
2 * eb->primitive.highlight_thickness))
{
XmeDrawShadows(XtDisplay(eb), XtWindow(eb),
eb->primitive.top_shadow_GC,
eb->primitive.bottom_shadow_GC,
eb->primitive.highlight_thickness,
eb->primitive.highlight_thickness,
eb->core.width - 2 * eb->primitive.highlight_thickness,
eb->core.height - 2 * eb->primitive.highlight_thickness,
eb->primitive.shadow_thickness,
(unsigned)(etched_in ? XmSHADOW_IN : XmSHADOW_OUT));
}

if (eb->pushbutton.arm_callback)
{
XFlush(XtDisplay(eb));

call_value.reason = (int)XmCR_ARM;
call_value.event = event;
XtCallCallbackList((Widget) eb,
eb->pushbutton.arm_callback,
&call_value);
}
}
    }
    else
    {
XtExposeProc expose;

_XmPrimitiveEnter((Widget) eb, event, NULL, NULL);
if (eb->pushbutton.armed == TRUE)
{
XtProcessLock();
expose = XtClass(eb)->core_class.expose;
XtProcessUnlock();
(*expose) (wid, event, (Region) NULL);
}

draw_highlight(eb);
draw_shadows(eb);
draw_pixmap(eb, event, NULL);
    }
}

    static void
Leave(Widget wid,
      XEvent *event,
      String *params UNUSED,
      Cardinal *num_params UNUSED)
{
    XmEnhancedButtonWidget eb = (XmEnhancedButtonWidget)wid;
    XmPushButtonCallbackStruct call_value;

    if (Lab_IsMenupane(eb))
    {
#if !defined(LESSTIF_VERSION) && (XmVersion > 1002)
XmDisplay dpy = (XmDisplay) XmGetXmDisplay(XtDisplay(wid));
Boolean etched_in = dpy->display.enable_etched_in_menu;
#else
Boolean etched_in = False;
#endif

if (_XmGetInDragMode((Widget)eb)
&& eb->pushbutton.armed
&& ( /* !ActiveTearOff || */
event->xcrossing.mode == NotifyNormal))
{
eb->pushbutton.armed = FALSE;

((XmManagerWidget) XtParent(wid))->manager.active_child = NULL;

if (etched_in && !XmIsTearOffButton(eb))
{
XFillRectangle(XtDisplay(eb), XtWindow(eb),
eb->pushbutton.background_gc,
0, 0, eb->core.width, eb->core.height);
draw_label(eb, event, NULL);
draw_pixmap(eb, event, NULL);
}
else
XmeClearBorder
(XtDisplay(eb), XtWindow(eb),
eb->primitive.highlight_thickness,
eb->primitive.highlight_thickness,
eb->core.width -
2 * eb->primitive.highlight_thickness,
eb->core.height -
2 * eb->primitive.highlight_thickness,
eb->primitive.shadow_thickness);

if (eb->pushbutton.disarm_callback)
{
XFlush(XtDisplay(eb));

call_value.reason = (int)XmCR_DISARM;
call_value.event = event;
XtCallCallbackList((Widget) eb,
eb->pushbutton.disarm_callback,
&call_value);
}
}
    }
    else
    {
_XmPrimitiveLeave((Widget) eb, event, NULL, NULL);

if (eb->pushbutton.armed == TRUE)
{
XtExposeProc expose;
eb->pushbutton.armed = FALSE;
XtProcessLock();
expose = XtClass(eb)->core_class.expose;
XtProcessUnlock();
(*expose) (wid, event, (Region)NULL);
draw_unhighlight(eb);
draw_pixmap(eb, event, NULL);
eb->pushbutton.armed = TRUE;
}
else
{
draw_unhighlight(eb);
draw_pixmap(eb, event, NULL);
}
    }
}

#define IsNull(p) ((p) == XmUNSPECIFIED_PIXMAP)

    static void
set_size(XmEnhancedButtonWidget newtb)
{
    unsigned int w = 0;
    unsigned int h = 0;

    _XmCalcLabelDimensions((Widget) newtb);

    /* Find out how big the pixmap is */
    if (newtb->enhancedbutton.pixmap_data
&& !IsNull(newtb->label.pixmap)
&& !IsNull(newtb->enhancedbutton.normal_pixmap))
    {
w = newtb->enhancedbutton.pixmap_width;
h = newtb->enhancedbutton.pixmap_height;
    }

    /*
* Plase note that we manipulate the width only in case of push buttons not
* used in the context of a menu pane.
*/
    if (Lab_IsMenupane(newtb))
    {
newtb->label.margin_left = w + 2 * (newtb->primitive.shadow_thickness
+ newtb->primitive.highlight_thickness)
+ newtb->label.margin_width;
    }
    else
    {
newtb->label.margin_left = w;
newtb->core.width = w + 2 * (newtb->primitive.shadow_thickness
+ newtb->primitive.highlight_thickness
+ newtb->label.margin_width)
+ newtb->label.TextRect.width;

if (newtb->label.TextRect.width > 0)
{
newtb->label.margin_left += newtb->label.margin_width
+ newtb->primitive.shadow_thickness;
newtb->core.width += newtb->label.margin_width
+ newtb->primitive.shadow_thickness;
}
    }
    if (newtb->label.TextRect.height < h)
    {
newtb->core.height = h + 2 * (newtb->primitive.shadow_thickness
+ newtb->primitive.highlight_thickness
+ newtb->label.margin_height);
    }
    else
    {
/* FIXME: We should calculate an drawing offset for the pixmap here to
* adjust it. */
    }

#if 0
    printf("%d %d %d %d %d %d - %d %d\n", newtb->enhancedbutton.normal_pixmap,
h, newtb->core.height,
newtb->primitive.shadow_thickness,
newtb->primitive.highlight_thickness,
newtb->label.margin_height,
newtb->core.width,
newtb->core.height);
#endif

    /* Invoke Label's Resize procedure. */
    {
XtWidgetProc resize;
XtProcessLock();
resize = xmLabelClassRec.core_class.resize;
XtProcessUnlock();

(* resize) ((Widget) newtb);
    }
}

    static void
Initialize(Widget rq, Widget ebw, ArgList args UNUSED, Cardinal *n UNUSED)
{
    XmEnhancedButtonWidget request = (XmEnhancedButtonWidget)rq;
    XmEnhancedButtonWidget eb = (XmEnhancedButtonWidget)ebw;
    XtWidgetProc resize;

    XtProcessLock();
    resize = xmLabelClassRec.core_class.resize;
    XtProcessUnlock();

    /* Create a bitmap for stippling (Drawable resources are cheap). */
    if (STIPPLE_BITMAP == None)
    {
Display *dpy = XtDisplay((Widget) request);
Window rootW = DefaultRootWindow(dpy);

STIPPLE_BITMAP = XCreateBitmapFromData(dpy, rootW, stipple_bits,
stipple_width, stipple_height);
    }
    eb->enhancedbutton.doing_setvalues = False;

    /* First see what type of extended label this is.
*/
    if (eb->enhancedbutton.pixmap_data)
    {
XmString str;
set_pixmap(eb);

/* FIXME: this is not the perfect way to deal with menues, which do not
* have any string set right now. */
str = XmStringCreateLocalized("");
XtVaSetValues((Widget) eb, XmNlabelString, str, NULL);
XmStringFree(str);
    }
    eb->label.pixmap = eb->enhancedbutton.normal_pixmap;

    if (request->core.width == 0)
eb->core.width = 0;
    if (request->core.height == 0)
eb->core.height = 0;
    set_size(eb);

    (* resize)((Widget)eb);
}

    static void
free_pixmaps(XmEnhancedButtonWidget eb)
{
    /*
* Clear the old pixmaps.
*/
    Pixmap norm_pix = eb->enhancedbutton.normal_pixmap;
    Pixmap arm_pix = eb->enhancedbutton.armed_pixmap;
    Pixmap insen_pix = eb->enhancedbutton.insensitive_pixmap;
    Pixmap high_pix = eb->enhancedbutton.highlight_pixmap;

    if (norm_pix != None && norm_pix != XmUNSPECIFIED_PIXMAP)
XFreePixmap(XtDisplay(eb), norm_pix);

    if (arm_pix != None && arm_pix != XmUNSPECIFIED_PIXMAP)
XFreePixmap(XtDisplay(eb), arm_pix);

    if (insen_pix != None && insen_pix != XmUNSPECIFIED_PIXMAP)
XFreePixmap(XtDisplay(eb), insen_pix);

    if (high_pix != None && high_pix != XmUNSPECIFIED_PIXMAP)
XFreePixmap(XtDisplay(eb), high_pix);
}

    static void
Destroy(Widget w)
{
    if (!XmIsEnhancedButton(w))
return;

    free_pixmaps((XmEnhancedButtonWidget)w);
}

    static Boolean
SetValues(Widget current,
Widget request UNUSED,
Widget new,
ArgList args UNUSED,
Cardinal *n UNUSED)
{
    XmEnhancedButtonWidget cur = (XmEnhancedButtonWidget) current;
    XmEnhancedButtonWidget eb = (XmEnhancedButtonWidget) new;
    Boolean redraw = False;
    Boolean change = True;
    Display *dpy = XtDisplay(current);

#define NOT_EQUAL(field) (cur->field != eb->field)

    /*
* Make sure that lost sensitivity is causing the border to vanish as well.
*/
    if (NOT_EQUAL(core.sensitive) && !Lab_IsMenupane(current))
    {
if (cur->core.sensitive == True)
{
draw_unhighlight(eb);
}
else
{
int r_x;
int r_y;
unsigned int r_height;
unsigned int r_width;
unsigned int r_border;
unsigned int r_depth;
int root_x;
int root_y;
int win_x;
int win_y;
Window root;
Window root_q;
Window child;
unsigned int mask;

/*
* Artificially let the highlight appear if the mouse is over us.
*/
/* Best way to get the root window of object: */
XGetGeometry(dpy, XtWindow(cur), &root, &r_x, &r_y, &r_width,
&r_height, &r_border, &r_depth);
XQueryPointer(XtDisplay(cur), XtWindow(cur), &root_q, &child,
&root_x, &root_y, &win_x, &win_y, &mask);

if (root == root_q)
{
if ((win_x < 0) || (win_y < 0))
return False;

if ((win_x > (int)r_width) || (win_y > (int)r_height))
return False;
draw_highlight(eb);
draw_shadows(eb);
}
}

return True;
    }

    /*
* Check for changed ExtLabelString.
*/
    if (NOT_EQUAL(primitive.shadow_thickness))
    {
redraw = True;
/* Don't change the pixmaps */
change = False;
    }

    if (NOT_EQUAL(primitive.foreground))
redraw = True;
    if (NOT_EQUAL(core.background_pixel))
redraw = True;
    if (NOT_EQUAL(pushbutton.fill_on_arm))
redraw = True;
    if (NOT_EQUAL(enhancedbutton.spacing))
redraw = True;
    if (NOT_EQUAL(enhancedbutton.label_location))
    {
redraw = True;
change = False;
    }
    if (NOT_EQUAL(label._label))
    {
redraw = True;
set_size(eb);
    }

    if (redraw == True)
    {
if (change)
set_pixmap(eb);
if (eb->primitive.highlighted)
eb->label.pixmap = eb->enhancedbutton.highlight_pixmap;
else
eb->label.pixmap = eb->enhancedbutton.normal_pixmap;
if (change)
set_size(eb);
redraw = False;
    }

    return redraw;
}

    static void
Redisplay(Widget w, XEvent *event, Region region)
{
    XmEnhancedButtonWidget eb = (XmEnhancedButtonWidget) w;
#if !defined(LESSTIF_VERSION) && (XmVersion > 1002)
    XmDisplay dpy;
    XtEnum default_button_emphasis;
#endif
    XRectangle box;
    int dx;
    int adjust;
    short fill = 0;

    if (!XtIsRealized((Widget)eb))
return;

#if !defined(LESSTIF_VERSION) && (XmVersion > 1002)
    dpy = (XmDisplay)XmGetXmDisplay(XtDisplay(eb));
    default_button_emphasis = dpy->display.default_button_emphasis;
#endif

    /*
* Compute the area allocated to the label of the pushbutton; fill in the
* dimensions in the box.
*/

    if ((eb->pushbutton.arm_color == eb->primitive.top_shadow_color)
|| (eb->pushbutton.arm_color == eb->primitive.bottom_shadow_color))
fill = 1;

    if (eb->pushbutton.compatible)
adjust = eb->pushbutton.show_as_default;
    else
adjust = eb->pushbutton.default_button_shadow_thickness;

    if (adjust > 0)
    {
adjust = adjust + eb->primitive.shadow_thickness;
adjust = (adjust << 1);
dx = eb->primitive.highlight_thickness + adjust + fill;
    }
    else
dx = (eb->primitive.highlight_thickness
+ eb->primitive.shadow_thickness + fill);

    box.x = dx;
    box.y = dx;
    adjust = (dx << 1);
    box.width = eb->core.width - adjust;
    box.height = eb->core.height - adjust;

    /*
* Redraw the background.
*/
    if (!Lab_IsMenupane(eb))
    {
GC gc;

/* Don't shade if the button contains a label with a pixmap, since
* there is no variant of the label available with the needed
* background.
*/
if (eb->pushbutton.armed && eb->pushbutton.fill_on_arm)
{
if (eb->label.label_type == (int)XmPIXMAP)
{
if (eb->pushbutton.arm_pixmap != XmUNSPECIFIED_PIXMAP)
gc = eb->pushbutton.fill_gc;
else
gc = eb->pushbutton.background_gc;
}
else
gc = eb->pushbutton.fill_gc;
}
else
gc = eb->pushbutton.background_gc;
/* really need to fill with background if not armed ? */
if (gc)
XFillRectangle(XtDisplay(eb), XtWindow(eb), gc,
box.x, box.y, box.width, box.height);
    }

    draw_label(eb, event, region);

    if (Lab_IsMenupane(eb))
    {
if (eb->pushbutton.armed)
(*(((XmPushButtonWidgetClass)XtClass(eb))
->primitive_class.border_highlight))(w);
draw_pixmap(eb, event, region);
    }
    else
    {
adjust = 0;

#if !defined(LESSTIF_VERSION) && (XmVersion > 1002)
/*
* NOTE: PushButton has two types of shadows: primitive-shadow and
* default-button-shadow. If pushbutton is in a menu only primitive
* shadows are drawn.
*/
switch (default_button_emphasis)
{
case XmEXTERNAL_HIGHLIGHT:
adjust = (eb->primitive.highlight_thickness -
(eb->pushbutton.default_button_shadow_thickness
? Xm3D_ENHANCE_PIXEL : 0));
break;

case XmINTERNAL_HIGHLIGHT:
break;

default:
assert(FALSE);
return;
}
#endif

/*
* Clear the area not occupied by label with parents background color.
* Label will invoke BorderUnhighlight() on the highlight_thickness
* area, which is redundant when XmEXTERNAL_HIGHLIGHT default button
* shadow emphasis is used.
*/
if (box.x > adjust)
{
int borderwidth =box.x - adjust;
int rectwidth = eb->core.width - 2 * adjust;
int rectheight = eb->core.height - 2 * adjust;

if (XmIsManager(XtParent(eb)))
{
XmeDrawHighlight(XtDisplay(eb), XtWindow(eb),
XmParentBackgroundGC(eb),
adjust, adjust, rectwidth, rectheight, borderwidth);
}
else
{
XmeClearBorder(XtDisplay(eb), XtWindow(eb),
adjust, adjust, rectwidth, rectheight, borderwidth);
}

#if !defined(LESSTIF_VERSION) && (XmVersion > 1002)
switch (default_button_emphasis)
{
case XmINTERNAL_HIGHLIGHT:
/* The call above erases the border highlighting. */
if (eb->primitive.highlight_drawn)
(*(((XmPushButtonWidgetClass) XtClass (eb))
->primitive_class.border_highlight)) ((Widget) eb) ;
break;

default:
break;
}
#endif
}

if (eb->pushbutton.default_button_shadow_thickness)
{
if (eb->pushbutton.show_as_default)
{
/*
* - get the topShadowColor and bottomShadowColor from the
* parent; use those colors to construct top and bottom gc;
* use these GCs to draw the shadows of the button.
*
* - Should not be called if pushbutton is in a row column or
* in a menu.
*
* - Should be called only if a defaultbuttonshadow is to be
* drawn.
*/
GC top_gc;
GC bottom_gc;
int default_button_shadow_thickness;
int x, y, width, height, delta;
Widget parent;

if (eb->pushbutton.compatible
&& (eb->pushbutton.show_as_default == 0))
return;

if (!eb->pushbutton.compatible
&& (eb->pushbutton.default_button_shadow_thickness
== 0))
return;

delta = eb->primitive.highlight_thickness;

/*
* May need more complex computation for getting the GCs.
*/
parent = XtParent(eb);
if (XmIsManager(parent))
{
/* Use the parent's GC so monochrome works. */
bottom_gc = XmParentTopShadowGC(eb);
top_gc = XmParentBottomShadowGC(eb);
}
else
{
/* Use your own pixel for drawing. */
bottom_gc = eb->primitive.top_shadow_GC;
top_gc = eb->primitive.bottom_shadow_GC;
}

if ((bottom_gc == None) || (top_gc == None))
return;


if (eb->pushbutton.compatible)
default_button_shadow_thickness =
eb->pushbutton.show_as_default;
else
default_button_shadow_thickness =
eb->pushbutton.default_button_shadow_thickness;

#if !defined(LESSTIF_VERSION) && (XmVersion > 1002)
/*
* Compute location of bounding box to contain the
* defaultButtonShadow.
*/
switch (default_button_emphasis)
{
case XmEXTERNAL_HIGHLIGHT:
delta = eb->primitive.highlight_thickness;
break;

case XmINTERNAL_HIGHLIGHT:
delta = Xm3D_ENHANCE_PIXEL;
break;

default:
assert(FALSE);
return;
}
#endif

x = y = delta;
width = eb->core.width - 2 * delta;
height = eb->core.height - 2 * delta;

if ((width > 0) && (height > 0))
XmeDrawShadows(XtDisplay(eb), XtWindow(eb),
top_gc, bottom_gc, x, y, width, height,
default_button_shadow_thickness,
(unsigned)XmSHADOW_OUT);
}
}

if (eb->primitive.highlight_drawn)
draw_shadows(eb);
draw_pixmap(eb, event, region);
    }
}

    static void
BorderHighlight(Widget w)
{
    XmEnhancedButtonWidget eb = (XmEnhancedButtonWidget)w;

    (*(xmPushButtonClassRec.primitive_class.border_highlight))(w);
    draw_pixmap(eb, NULL, NULL);
}

    static void
BorderUnhighlight(Widget w)
{
    XmEnhancedButtonWidget eb = (XmEnhancedButtonWidget)w;

    (*(xmPushButtonClassRec.primitive_class.border_unhighlight))(w);
    draw_pixmap(eb, NULL, NULL);
}

#endif /* FEAT_TOOLBAR */
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