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emacs/oldXMenu/Create.c
Paul Eggert ba05d005e5 Update copyright year to 2021 
Run "TZ=UTC0 admin/update-copyright".
2021-01-01 01:13:56 -08:00

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/* Copyright Massachusetts Institute of Technology 1985 */
#include "copyright.h"
/*
Copyright (C) 1993-1994, 2001-2021 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or (at
your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/*
* XMenu: MIT Project Athena, X Window system menu package
*
* XMenuCreate - Creates an X window system menu object.
*
* Author: Tony Della Fera, DEC
* January 23, 1986
*
*/
#include "XMenuInt.h"
#include <stdlib.h>
#include <string.h>
#ifdef EMACS_BITMAP_FILES
#include "../src/bitmaps/dimple1.xbm"
#include "../src/bitmaps/dimple3.xbm"
#include "../src/bitmaps/gray1.xbm"
#include "../src/bitmaps/gray3.xbm"
#include "../src/bitmaps/crosswv.xbm"
#include "../src/bitmaps/leftptr.xbm"
#include "../src/bitmaps/leftpmsk.xbm"
#include "../src/bitmaps/rtptr.xbm"
#include "../src/bitmaps/rtpmsk.xbm"
#include "../src/bitmaps/cntrptr.xbm"
#include "../src/bitmaps/cntrpmsk.xbm"
#include "../src/bitmaps/stipple.xbm"
#else
#include <X11/bitmaps/dimple1>
#include <X11/bitmaps/dimple3>
#include <X11/bitmaps/gray1>
#include <X11/bitmaps/gray3>
#include <X11/bitmaps/cross_weave>
#include <X11/bitmaps/left_ptr>
#include <X11/bitmaps/left_ptrmsk>
#include <X11/bitmaps/right_ptr>
#include <X11/bitmaps/right_ptrmsk>
#include <X11/bitmaps/cntr_ptr>
#include <X11/bitmaps/cntr_ptrmsk>
#include <X11/bitmaps/stipple>
#endif /* not EMACS_BITMAP_FILES */
#define DEF_FREEZE 0
#define DEF_REVERSE 0
#define DEF_MENU_STYLE LEFT
#define DEF_MENU_MODE BOX
#define DEF_INACT_PNUM 3
#define DEF_P_STYLE CENTER
#define DEF_P_EVENTS (EnterWindowMask | ExposureMask)
#define DEF_P_FNT_NAME "fixed"
#define DEF_P_SPREAD 0.5
#define DEF_P_BDR_WIDTH 2
#define DEF_S_STYLE LEFT
#define DEF_S_EVENTS (EnterWindowMask | LeaveWindowMask)
#define DEF_S_FNT_NAME "fixed"
#define DEF_S_SPREAD 0.10
#define DEF_S_BDR_WIDTH 1
#define XASSOC_TABLE_SIZE 64
const char *x_get_resource_string (char const *, char const *);
static Status
XAllocDisplayColor(Display *display, Colormap map, char const *colorName,
XColor *color, XColor *junk)
{
return (colorName!=0 &&
XParseColor(display, map, colorName, color) &&
XAllocColor(display, map, color));
}
XMenu *
XMenuCreate(Display *display, Window parent, register char const *def_env)
/* ID of previously opened display */
/* Window ID of the menu's parent window. */
/* X Defaults program environment name. */
{
register const char *def_val; /* X Default value temp variable. */
register XMenu *menu; /* Pointer to the new menu. */
XMStyle menu_style; /* Menu display style. */
XMMode menu_mode; /* Menu display mode. */
XMPane *pane; /* Pane list header. */
XAssocTable *assoc_tab; /* XAssocTable pointer. */
int freeze; /* Freeze server mode. */
int reverse; /* Reverse video mode. */
XMStyle p_style; /* Pane display style. */
char const *p_fnt_name; /* Flag font name. */
XFontStruct *p_fnt_info; /* Flag font structure */
int p_fnt_pad; /* Flag font padding in pixels. */
double p_spread; /* Pane spread in flag height fractions. */
int p_fnt_height; /* Pane character height. */
int p_bdr_width; /* Pane border width. */
int flag_height; /* Flag window height. */
int p_height; /* Pane window height. */
int p_x_off; /* Pane X offset. */
int p_y_off; /* Pane Y offset. */
GC pane_GC; /* Pane graphics context. */
XMStyle s_style; /* Selection display style. */
char const *s_fnt_name; /* Selection font name. */
XFontStruct *s_fnt_info; /* Selection font structure. */
int s_fnt_pad; /* Selection font padding in pixels. */
int s_fnt_height; /* Selection font character height */
double s_spread; /* Select spread in line height fractions. */
int s_bdr_width; /* Highlight border width. */
int s_height; /* Selection window height. */
int s_x_off; /* Selection window X offset. */
int s_y_off; /* Selection window Y offset. */
GC normal_select_GC; /* GC used for normal video selection. */
GC inverse_select_GC; /* GC used for inverse video selection. */
GC inact_GC; /* GC for inactive pane header and */
/* selections. */
XColor color_def; /* Temp color definition holder. */
XColor p_bdr_color; /* Color of border. */
XColor s_bdr_color; /* Color of highlight. */
XColor p_frg_color; /* Color of pane foreground color. */
XColor s_frg_color; /* Color of selection foreground. */
XColor bkgnd_color; /* Color of background.. */
XColor mouse_color; /* Color of mouse cursor. */
Cursor mouse_cursor; /* Mouse cursor. */
Pixmap inact_bitmap; /* Menu inactive pixmap. */
int inact_pnum; /* Inactive background pattern number. */
Pixmap cursor; /* Cursor pixmap holder. */
Pixmap cursor_mask; /* Cursor mask pixmap holder. */
Pixmap stipple_pixmap; /* Stipple mask for half-tone text. */
unsigned long valuemask;
XGCValues *values;
Window root = RootWindow (display, DefaultScreen (display));
/*
* Calloc the XMenu structure and the initial pane.
*/
menu = (XMenu *)calloc(1, sizeof(XMenu));
if (menu == NULL) {
_XMErrorCode = XME_CALLOC;
return(NULL);
}
pane = (XMPane *)calloc(1, sizeof(XMPane));
if (pane == NULL) {
_XMErrorCode = XME_CALLOC;
return(NULL);
}
/*
* Create the XAssocTable
*/
assoc_tab = (XAssocTable *)XCreateAssocTable(XASSOC_TABLE_SIZE);
if(assoc_tab == NULL) {
_XMErrorCode= XME_CREATE_ASSOC;
return(NULL);
}
/*
* Set up the default environment name.
*/
if (def_env == NULL || *def_env == '\0') def_env = "XMenu";
/*
* Set up internal fail-safe defaults.
*/
freeze = DEF_FREEZE;
reverse = DEF_REVERSE;
menu_style = DEF_MENU_STYLE;
menu_mode = DEF_MENU_MODE;
inact_pnum = DEF_INACT_PNUM;
p_style = DEF_P_STYLE;
p_spread = DEF_P_SPREAD;
p_fnt_name = DEF_P_FNT_NAME;
p_bdr_width = DEF_P_BDR_WIDTH;
s_style = DEF_S_STYLE;
s_spread = DEF_S_SPREAD;
s_fnt_name = DEF_S_FNT_NAME;
s_bdr_width = DEF_S_BDR_WIDTH;
/*
* Get default values from X.
*/
def_val = x_get_resource_string ("menuFreeze", "MenuFreeze");
if (def_val != NULL) {
if (strcmp(def_val, "on") == 0) freeze = 1;
else if (strcmp(def_val, "off") == 0) freeze = 0;
}
def_val = x_get_resource_string ("menuReverseVideo", "MenuReverseVideo");
if (def_val != NULL) {
if (strcmp(def_val, "on") == 0) reverse = 1;
else if (strcmp(def_val, "off") == 0) reverse = 0;
}
def_val = x_get_resource_string ("menuStyle", "MenuStyle");
if (def_val != NULL) {
if (strcmp(def_val, "right_hand") == 0) menu_style = RIGHT;
else if (strcmp(def_val, "left_hand") == 0) menu_style = LEFT;
else if (strcmp(def_val, "center") == 0) menu_style = CENTER;
}
def_val = x_get_resource_string ("menuMode", "MenuMode");
if (def_val != NULL) {
if (strcmp(def_val, "box") == 0) menu_mode = BOX;
else if (strcmp(def_val, "invert") == 0) menu_mode = INVERT;
}
def_val = x_get_resource_string ("menuMouse", "MenuMouse");
if (
def_val != NULL &&
DisplayCells(display, DefaultScreen(display)) > 2 &&
XAllocDisplayColor(display,
DefaultColormap(display, DefaultScreen(display)),
def_val,
&mouse_color, &color_def)
);
else if (reverse &&
XAllocDisplayColor(display,
DefaultColormap(display, DefaultScreen(display)),
"white",
&mouse_color, &color_def)
);
else if (XAllocDisplayColor(display,
DefaultColormap(display, DefaultScreen(display)),
"black",
&mouse_color, &color_def)
);
else {}
def_val = x_get_resource_string ("menuBackground", "MenuBackground");
if (
def_val != NULL &&
DisplayCells(display, DefaultScreen(display)) > 2 &&
XAllocDisplayColor(display,
DefaultColormap(display, DefaultScreen(display)),
def_val,
&bkgnd_color, &color_def)
);
else if (reverse &&
XAllocDisplayColor(display,
DefaultColormap(display, DefaultScreen(display)),
"black",
&bkgnd_color, &color_def)
);
else if (XAllocDisplayColor(display,
DefaultColormap(display, DefaultScreen(display)),
"white",
&bkgnd_color, &color_def)
);
else {}
def_val = x_get_resource_string ("menuInactivePattern", "MenuInactivePattern");
if (def_val != NULL) {
if (strcmp(def_val, "dimple1") == 0) inact_pnum = 0;
else if (strcmp(def_val, "dimple3") == 0) inact_pnum = 1;
else if (strcmp(def_val, "gray1") == 0) inact_pnum = 2;
else if (strcmp(def_val, "gray3") == 0) inact_pnum = 3;
else if (strcmp(def_val, "cross_weave") == 0) inact_pnum = 4;
}
def_val = x_get_resource_string ("paneStyle", "PaneStyle");
if (def_val != NULL) {
if (strcmp(def_val, "flush_left") == 0) p_style = LEFT;
else if (strcmp(def_val, "flush_right") == 0) p_style = RIGHT;
else if (strcmp(def_val, "center") == 0) p_style = CENTER;
}
def_val = x_get_resource_string ("paneFont", "PaneFont");
if (def_val != NULL) p_fnt_name = def_val;
def_val = x_get_resource_string ("paneForeground", "PaneForeground");
if (
def_val != NULL &&
DisplayCells(display, DefaultScreen(display)) > 2
)
XAllocDisplayColor(display, DefaultColormap(display,
DefaultScreen(display)),
def_val,
&p_frg_color, &color_def);
else if (reverse) XAllocDisplayColor(display,
DefaultColormap(display,
DefaultScreen(display)),
"white",
&p_frg_color, &color_def);
else XAllocDisplayColor(display,
DefaultColormap(display, DefaultScreen(display)),
"black",
&p_frg_color, &color_def);
def_val = x_get_resource_string ("paneBorder", "PaneBorder");
if (
def_val != NULL &&
DisplayCells(display, DefaultScreen(display)) > 2 &&
XAllocDisplayColor(display,
DefaultColormap(display, DefaultScreen(display)),
def_val,
&p_bdr_color, &color_def)
);
else if (reverse &&
XAllocDisplayColor(display,
DefaultColormap(display, DefaultScreen(display)),
"white",
&p_bdr_color, &color_def)
);
else XAllocDisplayColor(display,
DefaultColormap(display, DefaultScreen(display)),
"black",
&p_bdr_color, &color_def);
def_val = x_get_resource_string ("paneBorderWidth", "PaneBorderWidth");
if (def_val != NULL) p_bdr_width = atoi(def_val);
def_val = x_get_resource_string ("paneSpread", "PaneSpread");
if (def_val != NULL) p_spread = atof(def_val);
def_val = x_get_resource_string ("selectionStyle", "SelectionStyle");
if (def_val != NULL) {
if (strcmp(def_val, "flush_left") == 0) s_style = LEFT;
else if (strcmp(def_val, "flush_right") == 0) s_style = RIGHT;
else if (strcmp(def_val, "center") == 0) s_style = CENTER;
}
def_val = x_get_resource_string ("selectionFont", "SelectionFont");
if (def_val != NULL) s_fnt_name = def_val;
def_val = x_get_resource_string ("selectionForeground", "SelectionForeground");
if (
def_val != NULL &&
DisplayCells(display, DefaultScreen(display)) > 2 &&
XAllocDisplayColor(display,
DefaultColormap(display, DefaultScreen(display)),
def_val,
&s_frg_color, &color_def)
);
else if (reverse &&
XAllocDisplayColor(display,
DefaultColormap(display, DefaultScreen(display)),
"white",
&s_frg_color, &color_def)
) ;
else if (XAllocDisplayColor(display,
DefaultColormap(display, DefaultScreen(display)),
"black",
&s_frg_color, &color_def)
) ;
else {}
def_val = x_get_resource_string ("selectionBorder", "SelectionBorder");
if (
def_val != NULL &&
DisplayCells(display, DefaultScreen(display)) > 2 &&
XAllocDisplayColor(display,
DefaultColormap(display, DefaultScreen(display)),
def_val,
&s_bdr_color, &color_def)
) ;
else if (reverse &&
XAllocDisplayColor(display,
DefaultColormap(display, DefaultScreen(display)),
"white",
&s_bdr_color, &color_def)
) ;
else if (XAllocDisplayColor(display,
DefaultColormap(display, DefaultScreen(display)),
"black",
&s_bdr_color, &color_def)
) ;
else {}
def_val = x_get_resource_string ("selectionBorderWidth", "SelectionBorderWidth");
if (def_val != NULL) s_bdr_width = atoi(def_val);
def_val = x_get_resource_string ("selectionSpread", "SelectionSpread");
if (def_val != NULL) s_spread = atof(def_val);
/*
* Create and store the inactive pattern pixmap.
*/
{
char *data = NULL;
int width, height;
switch (inact_pnum)
{
case 0:
data = (char *)dimple1_bits;
width = dimple1_width;
height = dimple1_height;
break;
case 1:
data = (char *)dimple3_bits;
width = dimple3_width;
height = dimple3_height;
break;
case 2:
data = (char *)gray1_bits;
width = gray1_width;
height = gray1_height;
break;
case 3:
data = (char *)gray3_bits;
width = gray3_width;
height = gray3_height;
break;
case 4:
data = (char *)cross_weave_bits;
width = cross_weave_width;
height = cross_weave_height;
break;
}
if (! data)
{
_XMErrorCode = XME_STORE_BITMAP;
return(NULL);
}
inact_bitmap =
XCreatePixmapFromBitmapData
(display, root, data, width, height,
p_frg_color.pixel, bkgnd_color.pixel,
DisplayPlanes (display, DefaultScreen (display)));
}
/*
* Load the mouse cursor.
*/
switch (menu_style) {
case LEFT:
cursor = XCreateBitmapFromData(display,
root,
left_ptr_bits,
left_ptr_width,
left_ptr_height);
cursor_mask = XCreateBitmapFromData(display,
root,
left_ptrmsk_bits,
left_ptrmsk_width,
left_ptrmsk_height);
mouse_cursor = XCreatePixmapCursor(
display,
cursor, cursor_mask,
&mouse_color, &bkgnd_color,
left_ptr_x_hot,
left_ptr_y_hot
);
XFreePixmap(display, cursor);
XFreePixmap(display, cursor_mask);
break;
case RIGHT:
cursor = XCreateBitmapFromData(display,
root,
right_ptr_bits,
right_ptr_width,
right_ptr_height);
cursor_mask = XCreateBitmapFromData(display,
root,
right_ptrmsk_bits,
right_ptrmsk_width,
right_ptrmsk_height);
mouse_cursor = XCreatePixmapCursor(
display,
cursor, cursor_mask,
&mouse_color, &bkgnd_color,
right_ptr_x_hot,
right_ptr_y_hot
);
XFreePixmap(display, cursor);
XFreePixmap(display, cursor_mask);
break;
case CENTER:
cursor = XCreateBitmapFromData(display,
root,
cntr_ptr_bits,
cntr_ptr_width,
cntr_ptr_height);
cursor_mask = XCreateBitmapFromData(display,
root,
cntr_ptrmsk_bits,
cntr_ptrmsk_width,
cntr_ptrmsk_height);
mouse_cursor = XCreatePixmapCursor(
display,
cursor, cursor_mask,
&mouse_color, &bkgnd_color,
cntr_ptr_x_hot,
cntr_ptr_y_hot
);
XFreePixmap(display, cursor);
XFreePixmap(display, cursor_mask);
break;
default:
/* Error! Invalid style parameter. */
_XMErrorCode = XME_STYLE_PARAM;
return(NULL);
}
if (mouse_cursor == _X_FAILURE) {
_XMErrorCode = XME_CREATE_CURSOR;
return(NULL);
}
/*
* Open the pane and selection fonts.
*/
p_fnt_info = XLoadQueryFont(display, p_fnt_name);
if (p_fnt_info == NULL) {
_XMErrorCode = XME_OPEN_FONT;
return(NULL);
}
s_fnt_info = XLoadQueryFont(display, s_fnt_name);
if (s_fnt_info == NULL) {
_XMErrorCode = XME_OPEN_FONT;
return(NULL);
}
/*
* Calculate the fixed padding value in pixels for each font.
*/
p_fnt_height = p_fnt_info->max_bounds.ascent + p_fnt_info->max_bounds.descent;
s_fnt_height = s_fnt_info->max_bounds.ascent + s_fnt_info->max_bounds.descent;
p_fnt_pad = s_spread * p_fnt_height;
s_fnt_pad = s_spread * s_fnt_height;
/*
* Calculate fixed height and offset requirements.
*/
flag_height = p_fnt_height + (p_fnt_pad << 1);
p_height = 0;
p_y_off = flag_height + p_bdr_width;
p_x_off = p_y_off * p_spread;
s_height = s_fnt_height + (s_fnt_pad << 1) + (s_bdr_width << 1);
s_y_off = s_height;
s_x_off = p_x_off;
/*
* Set up the pane list header.
*/
pane->next = pane;
pane->prev = pane;
pane->type = PL_HEADER;
pane->serial = -1;
/*
* Initialize the internal pane and selection creation queues.
*/
_XMWinQueInit();
/*
* Create pane, active, and inactive GC's.
*/
values = (XGCValues *)malloc(sizeof(XGCValues));
valuemask = (GCForeground | GCBackground | GCFont | GCLineWidth);
/*
* First, pane.
*/
values->foreground = p_frg_color.pixel;
values->background = bkgnd_color.pixel;
values->font = p_fnt_info->fid;
values->line_width = p_bdr_width;
pane_GC = XCreateGC(
display,
root,
valuemask,
values);
/*
* Then normal video selection.
*/
values->foreground = s_frg_color.pixel;
values->background = bkgnd_color.pixel;
values->font = s_fnt_info->fid;
values->line_width = s_bdr_width;
normal_select_GC = XCreateGC(display,
root,
valuemask,
values);
/*
* Inverse video selection.
*/
values->foreground = bkgnd_color.pixel;
values->background = s_frg_color.pixel;
values->font = s_fnt_info->fid;
values->line_width = s_bdr_width;
inverse_select_GC = XCreateGC(display,
root,
valuemask,
values);
stipple_pixmap = XCreateBitmapFromData(display,
root,
stipple_bits,
stipple_width,
stipple_height);
/*
* Finally, inactive pane header and selections
*/
valuemask |= (GCFillStyle | GCStipple);
values->foreground = s_frg_color.pixel;
values->background = bkgnd_color.pixel;
values->font = s_fnt_info->fid;
values->line_width = s_bdr_width;
values->fill_style = FillStippled;
values->stipple = stipple_pixmap;
inact_GC = XCreateGC(display,
root,
valuemask,
values);
valuemask |= (GCGraphicsExposures);
values->graphics_exposures = False;
/*
* Construct the XMenu object.
*/
/* -------------------- Menu data -------------------- */
menu->menu_style = menu_style;
menu->menu_mode = menu_mode;
menu->freeze = freeze;
menu->aeq = 0;
menu->recompute = 1;
menu->parent = parent;
menu->height = 0;
menu->width = 0;
menu->mouse_cursor = mouse_cursor;
menu->assoc_tab = assoc_tab;
menu->p_list = pane;
/* -------------------- Pane window data -------------------- */
menu->p_style = p_style;
menu->p_events = DEF_P_EVENTS;
menu->p_fnt_info = p_fnt_info;
menu->p_fnt_pad = p_fnt_pad;
menu->p_spread = p_spread;
menu->p_bdr_width = p_bdr_width;
menu->flag_height = flag_height;
menu->p_width = 0;
menu->p_height = p_height;
menu->p_x_off = p_x_off;
menu->p_y_off = p_y_off;
menu->p_count = 0;
menu->pane_GC = pane_GC;
menu->x_pos = 0;
menu->y_pos = 0;
/* -------------------- Selection window data -------------------- */
menu->s_style = s_style;
menu->s_events = DEF_S_EVENTS;
menu->s_fnt_info = s_fnt_info;
menu->s_fnt_pad = s_fnt_pad;
menu->s_spread = s_spread;
menu->s_bdr_width = s_bdr_width; /* unnecessary */
menu->s_width = 0;
menu->s_height = s_height;
menu->s_x_off = s_x_off;
menu->s_y_off = s_y_off;
menu->s_count = 0;
menu->normal_select_GC = normal_select_GC;
menu->inverse_select_GC = inverse_select_GC;
menu->inact_GC = inact_GC;
/* -------------------- Color data -------------------- */
menu->p_bdr_color = p_bdr_color.pixel;
menu->s_bdr_color = s_bdr_color.pixel;
menu->p_frg_color = p_frg_color.pixel;
menu->s_frg_color = s_frg_color.pixel;
menu->bkgnd_color = bkgnd_color.pixel;
/* -------------------- Pixmap data -------------------- */
menu->p_bdr_pixmap = None;
menu->s_bdr_pixmap = None;
menu->p_frg_pixmap = None;
menu->s_frg_pixmap = None;
menu->bkgnd_pixmap = None;
menu->inact_pixmap = inact_bitmap;
/*
* Return the completed XMenu.
*/
_XMErrorCode = XME_NO_ERROR;
return(menu);
}
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