home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Encyclopedia of Graphics File Formats Companion
/
GFF_CD.ISO
/
software
/
unix
/
saoimage
/
sao1_07.tar
/
btnlib
/
create.c
< prev
next >
Wrap
C/C++ Source or Header
|
1990-04-28
|
13KB
|
335 lines
#ifndef lint
static char SccsId[] = "%W% %G%";
#endif
/*
* Module: create.c (Make Box)
* Project: PROS -- ROSAT RSDC
* Purpose: Create a complete (unconnected) buttonbox in the given window
* Subroutines: MakeButtonBox() returns: ButtonBox
* Subroutines: static btn_MakeWindows() returns: void
* Subroutines: btn_LabelButtons() returns: void
* Subroutines: SetTAEButtonLook() returns: void
* Xlib calls: XMakeSimpleWindow(), XSelectInput(), XMapSubwindows()
* Copyright: 1989 Smithsonian Astrophysical Observatory
* You may do anything you like with this file except remove
* this copyright. The Smithsonian Astrophysical Observatory
* makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without
* express or implied warranty.
* Modified: {0} Michael VanHilst initial version 21 March 1989
* {1} Jay Travisano (STScI) VMS,IMTOOL changes 10 Nov 1989
* {n} <who> -- <does what> -- <when>
*/
#include <stdio.h> /* define stderr */
#include <X11/Xlib.h> /* define Xlib types and calls */
#include "buttons.h"
/* 16x16 (2 bytes * 16) bitmaps with default corner patterns of border */
#include "borders.h" /* static BorderPatterns defBorders */
#include "motf.h"
static int motf_look = 0; /* if set, buttons harmonize better w/ motif */
#if VMS && IMTOOL
extern void XZ_ast();
extern int XZ_efn;
#endif
static GC def_gc = NULL;
/*
* Subroutine: MakeButtonBox
* Purpose: Do everything necessary to make a new buttonbox
* Returns: ButtonBox handle for the new buttonbox
* Called by: Application program
* Uses: btn_Alloc() in BtnAlloc.c
* Uses: btn_CreateWindows(), btn_LabelButtons() below
* Xlib calls: XCreateSimpleWindow(), XMapSubwindows()
* Xlib calls: DefaultScreen, DefaultGC, DefaultVisual, DefaultDepth
* Post-state: No buttons are in on state and no submenus are attached
* Method: Make a subwindow exactly covering parent window. Fill it with
* subwindows as buttons, create drawing stuff for each button
* Note: Buttonboxes must later be combined into menus and panels
* Note: Call TouchButton to activate buttons and submenus when ready
*/
ButtonBox MakeButtonBox ( parent, gc, visual, background, geo, defs, borders )
BoxParent *parent; /* i: Parent window info */
GC gc; /* i: graphics context for drawing labels */
Visual *visual; /* i: visual for XCreateImage() */
unsigned long background; /* i: window background pixel value */
BoxGeometry *geo; /* i: button arrangement and count info */
ButtonSpec defs[]; /* i: Button descriptors */
BorderPatterns *borders; /* i: optional non-default border look */
{
ButtonBox buttonbox; /* o: handle for buttonbox record */
unsigned int width, height; /* l: dimensions of parent window */
Display *display; /* l: X server */
int screen; /* l: screen number for default stuff */
int btn_wdth, btn_hght; /* l: dimensions of all buttons */
int x, y; /* l: coordinates of box in parent */
int i; /* l: loop counter */
char *btn_Alloc();
static void btn_CreateWindows();
void btn_LabelButtons(), btn_Dimensions();
/* allocate the space for the new record */
buttonbox = (ButtonBox)
btn_Alloc(1, sizeof(struct _ButtonBox), "Buttonbox");
/* put server connection display and screen details in the record */
display = parent->display;
buttonbox->display = display;
buttonbox->parentID = parent->wndwID;
screen = DefaultScreen(display);
if( gc == NULL ) {
/* use default buttonlib gc (create if not yet in existence */
if( def_gc == NULL ) {
def_gc = XCreateGC(display, parent->wndwID, 0, NULL);
XSetState(display, def_gc, 1, 0, GXcopy, 1);
}
gc = def_gc;
}
if( visual != (Visual *)0 )
buttonbox->visual = visual;
else
buttonbox->visual = DefaultVisual(display, screen);
/* get the basic box and button dimensions */
btn_Dimensions(parent, geo, &btn_wdth, &btn_hght, &x, &y, &width, &height);
/* create a buttonbox subwindow (it gets no events) */
buttonbox->wndwID =
XCreateSimpleWindow(display, parent->wndwID, x, y, width, height,
(unsigned int)0, (unsigned long)0, background);
buttonbox->parent_width = parent->width;
buttonbox->parent_height = parent->height;
i = geo->box_rows * geo->box_cols;
/* check counts */
if( geo->btn_cnt > i ) {
(void)fprintf(stderr, "WARNING: More labels than buttons: %s %d\n",
defs[0].feel->title, geo->btn_cnt);
geo->btn_cnt = i;
}
buttonbox->geometry = geo;
buttonbox->btn_cnt = geo->btn_cnt;
/* create space for the button records */
buttonbox->buttons = (ButtonRecord *)
btn_Alloc(buttonbox->btn_cnt, sizeof(ButtonRecord), "Buttons");
/* create space for a list of window id's (last one is this window) */
buttonbox->window_list = (Window *)
btn_Alloc(buttonbox->btn_cnt + 1, sizeof(Window *), "Button list");
buttonbox->window_list[buttonbox->btn_cnt] = buttonbox->wndwID;
buttonbox->window_count = buttonbox->btn_cnt + 1;
/* set pointers for user specified (and default) look and feel */
if( borders != NULL )
buttonbox->borders = borders;
else {
if( motf_look )
buttonbox->borders = &motfBorders;
else
buttonbox->borders = &defBorders;
}
for( i = 0; i < buttonbox->btn_cnt; i++ ) {
buttonbox->buttons[i].look = defs[i].look;
buttonbox->buttons[i].feel = defs[i].feel;
}
/* initially no mouse buttons are down */
buttonbox->down_btn = -1;
buttonbox->down_mouse_btn = -1;
buttonbox->mode_btn = -1;
buttonbox->co_mode_btn = -1;
/* create button subwindows and fill associated records */
btn_CreateWindows (buttonbox, gc, btn_wdth, btn_hght);
/* create XImage bitmaps for button visuals */
btn_LabelButtons(buttonbox, btn_wdth, btn_hght,
geo->off_inverse, geo->on_inverse);
/* make the buttons mapped (but not yet the box itself) */
XMapSubwindows(display, buttonbox->wndwID);
return( buttonbox );
}
/*
* Subroutine: btn_Dimensions
* Purpose: Set six dimensions used to create box and its buttons
* Returns: void
* Called by: MakeButtonbox() above, ResizeBox() in ResizeBox.c
* Xlib calls: none
* Post-state: 6 integer params are set
* Method: Dimensions of buttons are to fill window area with full
* arrangement. Adjustment is made to center within excess, if
* any. X and Y position the box'x subset arrangement and
* width and height are the subset's dimensions.
*/
void btn_Dimensions ( parent, geo, btn_wdth, btn_hght, x, y, width, height )
BoxParent *parent; /* i: Parent window info */
BoxGeometry *geo; /* i: arrangement and count info */
int *btn_wdth, *btn_hght; /* o: dimensions of each buttons */
int *x, *y; /* o: coordinates of box in parent */
unsigned int *width, *height; /* o: dimensions of box subwindow */
{
int xx, yy;
*btn_wdth = (int)((double)(parent->xwdth) / geo->parent_cols);
*btn_hght = (int)((double)(parent->yhght) / geo->parent_rows);
*width = geo->box_cols * *btn_wdth;
*height = geo->box_rows * *btn_hght;
/* offset centers buttons when fit is not perfect */
/* parent x + box x + 1/2 box's slop */
xx = parent->x + (int)(geo->box_col_x * (double)(parent->xwdth)) +
(((int)((double)(parent->xwdth) *
((double)(geo->box_cols) / geo->parent_cols)) + 1 -
*width) / 2);
yy = parent->y + (int)(geo->box_row_y * (double)(parent->yhght)) +
(((int)((double)(parent->yhght) *
((double)(geo->box_rows) / geo->parent_rows)) -
*height) / 2);
if( xx < 0 )
*x = 0;
else
*x = xx;
if( yy < 0 )
*y = 0;
else
*y = yy;
}
/*
* Subroutine: btn_CreateWindows
* Purpose: Create a subwindow for each button and set its events
* Returns: void
* Called by: MakeButtonBox() above
* Xlib calls: XCreateSimpleWindow(), XSelectInput()
* Pre-state: surrounding window created for perfect fit
* Post-state: Buttonbox has window and display filled for all buttons,
* and window_list is filled.
* Method: All buttons are the same size, and arranged according to
* ButtonBox rows and cols specifications.
* Note: Each button is a borderless window.
*/
static void btn_CreateWindows( buttonbox, gc, btn_wdth, btn_hght )
ButtonBox buttonbox; /* i: handle of buttonbox record */
GC gc; /* i: graphics context for drawing labels */
int btn_wdth, btn_hght; /* i: dimensions of each buttons */
{
int x, y;
int j, i;
int btn;
unsigned long background;
Display *display;
Window wndwID;
BoxGeometry *geo;
btn = 0;
display = buttonbox->display;
wndwID = buttonbox->wndwID;
background = buttonbox->background;
geo = buttonbox->geometry;
for( j = 0; j < geo->box_rows; j++ ) {
for( i = 0; i < geo->box_cols; i++ ) {
x = btn_wdth * i;
y = btn_hght * j;
buttonbox->buttons[btn].display = display;
buttonbox->buttons[btn].gc = gc;
buttonbox->buttons[btn].wndwID =
XCreateSimpleWindow (display, wndwID, x, y, btn_wdth, btn_hght,
(unsigned int)0, (unsigned long)0, background);
if( (buttonbox->buttons[btn].feel->nfunctions >0) &&
(buttonbox->buttons[btn].feel->function[0] != BTNNoOp) ) {
#if VMS && IMTOOL
XSelectAsyncInput(display, buttonbox->buttons[btn].wndwID,
ButtonReleaseMask | ButtonPressMask |
EnterWindowMask | LeaveWindowMask | ExposureMask,
XZ_ast, XZ_efn);
#endif
XSelectInput(display, buttonbox->buttons[btn].wndwID,
ButtonReleaseMask | ButtonPressMask |
EnterWindowMask | LeaveWindowMask | ExposureMask);
/* no_op buttons have no events, but are mapped */
} else {
#if VMS && IMTOOL
XSelectAsyncInput(display, buttonbox->buttons[btn].wndwID,
ExposureMask | ButtonPressMask | ButtonReleaseMask,
XZ_ast, XZ_efn);
#endif
XSelectInput(display, buttonbox->buttons[btn].wndwID,
ExposureMask | ButtonPressMask | ButtonReleaseMask);
}
/* put the window id in the buttonbox's check event list */
buttonbox->window_list[btn] = buttonbox->buttons[btn].wndwID;
if( ++btn >= buttonbox->btn_cnt )
return;
}
}
}
/*
* Subroutine: btn_LabelButtons
* Purpose: Create XImages for all states of all buttons.
* Returns: void
* Called by: MakeButtonBox() above, ResizeBox() in ResizeBox.c
* Uses: btn_Alloc() in BtnAlloc.c
* Uses: btn_MakeBtdBitmap() in MakeBtnBdr.c
* Uses: btn_MakeXImages() in MakeXImage.c
* Xlib calls: none
* Post-state: box record has XImages filled for all buttons
* Method: Creates basic pattern for button minus label which is used as
* the starting point for adding labels to make each button.
*/
void btn_LabelButtons ( buttonbox, btn_wdth, btn_hght, off, on )
ButtonBox buttonbox; /* i: structure for boxed group of buttons */
int btn_wdth, btn_hght; /* i: dimensions of each button */
int off, on; /* i: flag set if off or on has invert bits */
{
int byte_width; /* l: width in bytes of the button bitmap */
int mapsz; /* l: size of button bitmap in bytes */
int btn_cnt; /* l: number of buttons specificied */
int i; /* l: loop counter */
Visual *visual; /* l: visual for XCreateImage() */
unsigned char *off_out; /* l: filled bitmap with only border pattern */
unsigned char *off_in; /* l: filled bitmap with only border pattern */
unsigned char *on_out; /* l: filled bitmap with only border pattern */
unsigned char *on_in; /* l: filled bitmap with only border pattern */
char *btn_Alloc();
void btn_MakeBdrBitmap(), btn_MakeXImages();
/* calculate number of bytes in one line and in whole bitmap */
byte_width = (btn_wdth + 7) / 8;
mapsz = btn_hght * byte_width;
/* allocate space for patterns (initially empty) */
off_out = (unsigned char *)btn_Alloc(mapsz, sizeof(char), "button border");
off_in = (unsigned char *)btn_Alloc(mapsz, sizeof(char), "button border");
on_out = (unsigned char *)btn_Alloc(mapsz, sizeof(char), "button border");
on_in = (unsigned char *)btn_Alloc(mapsz, sizeof(char), "button border");
/* if border patterns were given, fill the border in */
if( buttonbox->borders != NULL ) {
btn_MakeBdrBitmap(off_out, btn_wdth, btn_hght, byte_width,
buttonbox->borders->off_out, off);
btn_MakeBdrBitmap(off_in, btn_wdth, btn_hght, byte_width,
buttonbox->borders->off_in, off);
btn_MakeBdrBitmap(on_out, btn_wdth, btn_hght, byte_width,
buttonbox->borders->on_out, on);
btn_MakeBdrBitmap(on_in, btn_wdth, btn_hght, byte_width,
buttonbox->borders->on_in, on);
}
visual = buttonbox->visual;
btn_cnt = buttonbox->btn_cnt;
for( i = 0; i < btn_cnt; i++ ) {
btn_MakeXImages(&(buttonbox->buttons[i]), btn_wdth, btn_hght, byte_width,
visual, off_out, off_in, on_out, on_in, mapsz,
off, on, motf_look);
}
/* free the patterns */
free((char *)off_out);
free((char *)off_in);
free((char *)on_out);
free((char *)on_in);
}
/*
* Subroutine: SetTAEButtonLook
* Purpose: set flag prior to execution of any code to make buttons
* look more like TAE (or monochrome motif) buttons
*/
void SetTAEButtonLook ( status )
int status;
{
motf_look = status;
}