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wlib.c
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/*
* COPS (c) 1995 - 2003 Sven & Wilfried Behne
* 2004 F.Naumann & O.Skancke
*
* A XCONTROL compatible CPX manager.
*
* This file is part of COPS.
*
* COPS 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 2 of the License, or
* (at your option) any later version.
*
* COPS 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 XaAES; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stddef.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "cops_rsc.h"
#include "cops.h"
#include "list.h"
#include "wlib.h"
/*----------------------------------------------------------------------------------------*/
/* Defines */
/*----------------------------------------------------------------------------------------*/
#define WWORK window->workarea
/*----------------------------------------------------------------------------------------*/
/* Globale Variablen */
/*----------------------------------------------------------------------------------------*/
static WINDOW *window_list = NULL;
/*----------------------------------------------------------------------------------------*/
static void scroll_horizontal(WINDOW *window, short dx);
static void scroll_vertical(WINDOW *window, short dy);
/*----------------------------------------------------------------------------------------*/
/* Library initialisieren */
/* Funktionsergebnis: 0: Fehler 1: alles in Ordnung */
/* id: AES-Programm-ID */
/*----------------------------------------------------------------------------------------*/
short
init_wlib(short id)
{
app_id = id; /* AES-Programm-ID */
window_list = NULL;
return 1;
}
/*----------------------------------------------------------------------------------------*/
/* Library zuruecksetzen */
/* Funktionsergebnis: 0: Fehler 1: alles in Ordnung */
/*----------------------------------------------------------------------------------------*/
short
reset_wlib(void)
{
while (window_list)
delete_window(window_list->handle, 1); /* Fenster loeschen */
return 1;
}
/*----------------------------------------------------------------------------------------*/
/* Zeiger auf die Fensterliste zurueckliefern */
/* Funktionsergebnis: Zeiger auf das erste Fenster oder NULL */
/*----------------------------------------------------------------------------------------*/
WINDOW *
get_window_list(void)
{
return window_list; /* Zeiger auf das erste Element der Fensterliste */
}
/*----------------------------------------------------------------------------------------*/
/* Fenster beim AES anmelden, aber nicht zeichnen */
/* Funktionsresultat: Zeiger auf eine WINDOW-Struktur oder NULL bei Fehlern */
/* kind: Fenster-Elemente */
/* border: Zeiger auf ein GRECT mit den maximalen aesseren Fenstermassen */
/* handle: Zeiger auf das Fensterhandle (bei Fehler < 0) */
/* name: Zeiger auf den Fensternamen oder NULL */
/*----------------------------------------------------------------------------------------*/
WINDOW *
create_window(short kind, GRECT *border, short *handle, char *name, char *iconified_name)
{
WINDOW *new = NULL;
*handle = wind_create_grect(kind, border);
if (*handle >= 0)
{
GRECT workarea;
unsigned long size;
wind_calc_grect(WC_WORK, kind, border, &workarea);
if (name) /* Fensternamen vorhanden? */
{
size = (strlen(name) + 1) & 0xfffe;
if (size < 128) /* mindestens 128 Bytes fuer Fensternamen */
size = 128;
if (iconified_name) /* 16 Bytes fuer Namen des ikonifizierten Fensters */
size += 16;
size += sizeof(WINDOW);
}
else
size = sizeof(WINDOW);
new = malloc(size);
if (new == NULL)
{
wind_delete(*handle);
return NULL;
}
new->handle = *handle; /* Fensterhandle */
new->kind = kind; /* Fensterattribute */
new->border = *border; /* Fensteraussenflaeche */
new->workarea = workarea; /* Fensterinnenflaeche */
if (name) /* Fensternamen vorhanden? */
{
new->name = (char *)new + sizeof(WINDOW);
strcpy(new->name, name);
wind_set_str(new->handle, WF_NAME, new->name);
if (iconified_name)
{
new->iconified_name = (char *)new + size - 16;
strncpy(new->iconified_name, iconified_name, 15);
new->iconified_name[15] = 0;
}
}
else
{
new->name = NULL; /* kein Fenstername */
new->iconified_name = NULL;
}
new->wflags.hide_cursor = 1; /* Cursor vor dem Redraw immer ausschalten */
new->wflags.snap_width = 0; /* Breite nicht auf Vielfache von dx anpassen */
new->wflags.snap_height = 0; /* Hoehe nicht auf Vielfache von dy anpassen */
new->wflags.snap_x = 0; /* x-Koordinate nicht auf Vielfache von dx anpassen */
new->wflags.snap_y = 0; /* y-Koordinate nicht auf Vielfache von dy anpassen */
new->wflags.smart_size = 1; /* Smart Redraw fuers Sizen */
new->wflags.limit_wsize = 0; /* maximale Fenstergroesse nicht begrenzen */
new->wflags.fuller = 0; /* Fuller wurde noch nicht betaetigt */
new->wflags.iconified = 0; /* Iconifier wurde noch nicht betaetigt */
new->redraw = 0L;
new->interior_flags = 0L;
new->interior = 0L;
new->x = 0; /* x-Koordinate der linken oberen Ecke */
new->y = 0; /* y-Koordinate der linken oberen Ecke */
new->w = 0; /* Breite der Arbeitsflaeche */
new->h = 0; /* Hoehe der Arbeitsflaeche */
new->dx = 0; /* Breite einer Scrollspalte in Pixeln */
new->dy = 0; /* Hoehe einer Scrollzeile in Pixeln */
new->snap_dx = 1; /* Vielfaches fuer horizontale Fensterposition */
new->snap_dy = 1; /* Vielfaches fuer vertikale Fensterposition */
new->snap_dw = 1; /* Vielfaches der Fensterbreite */
new->snap_dh = 1; /* Vielfaches der Fensterhoehe */
new->limit_w = 0; /* Arbeitsflaeche nicht begrenzen */
new->limit_h = 0; /* Arbeitsflaeche nicht begrenzen */
new->hslide = 0; /* Position des hor. Sliders in Promille */
new->vslide = 0; /* Position des ver. Sliders in Promille */
new->hslsize = 0; /* Groesse des hor. Sliders in Promille */
new->vslsize = 0; /* Groesse des ver. Sliders in Promille */
new->next = NULL; /* keine Folgestruktur vorhanden */
list_insert((void **) &window_list, new, offsetof(WINDOW, next));
}
return new;
}
/*----------------------------------------------------------------------------------------*/
/* Redraw eines Fensters */
/* Funktionsergebnis: - */
/* handle: Fensterhandle */
/* area: Zeiger auf ein GRECT mit den Ausmassen des zu zeichnenden Bereichs */
/*----------------------------------------------------------------------------------------*/
void
redraw_window(short handle, GRECT *area)
{
GRECT box, desk;
WINDOW *window;
window = search_struct(handle);
if (window)
{
wind_update(BEG_UPDATE); /* Bildschirm fuer andere Apps sperren */
if (window->wflags.hide_cursor)
graf_mouse(M_OFF, 0L); /* Maus ausschalten */
wind_get_grect(0, WF_WORKXYWH, &desk); /* Groesse des Hintergrunds erfragen */
wind_get_grect(window->handle, WF_FIRSTXYWH, &box); /* erstes Element der Rechteckliste erfragen */
while (box.g_w && box.g_h) /* noch gueltige Rechtecke vorhanden? */
{
if (rc_intersect(&desk, &box)) /* sichtbar? */
{
if (rc_intersect(area, &box)) /* innerhalb des zu zeichnenden Bereichs? */
window->redraw(window, &box); /* Bereich box zeichnen */
}
wind_get_grect(window->handle, WF_NEXTXYWH, &box); /* naechstes Element der Rechteckliste holen */
}
if (window->wflags.hide_cursor)
graf_mouse(M_ON, 0L); /* Maus an */
wind_update(END_UPDATE); /* Bildschirm freigeben */
}
}
/*----------------------------------------------------------------------------------------*/
/* Fuer ein Fensterhandle die WINDOW-Struktur suchen */
/* Funktionsergebnis: Zeiger auf die WINDOW-Struktur oder 0L */
/* handle: Fensterhandle */
/*----------------------------------------------------------------------------------------*/
WINDOW *
search_struct(short handle)
{
WINDOW *search;
search = window_list;
while (search != 0L)
{
if (search->handle == handle)
return search;
search = search->next;
}
return NULL;
}
/*----------------------------------------------------------------------------------------*/
/* Fenster beim AES abmelden und Speicher fuer WINDOW-Struktur freigeben */
/* Funktionsergebnis: - */
/* handle: Fensterhandle */
/*----------------------------------------------------------------------------------------*/
void
delete_window(short handle, short delete)
{
WINDOW *window;
window = search_struct(handle);
if (window)
{
list_remove((void **) &window_list, window, offsetof(WINDOW, next));
if (delete)
{
wind_close(window->handle);
wind_delete(window->handle);
}
free(window);
}
}
/*----------------------------------------------------------------------------------------*/
/* Fenster bewegen */
/* Funktionsergebnis: - */
/* handle: Fensterhandle */
/* area: Fenstergroesse */
/*----------------------------------------------------------------------------------------*/
void
move_window(short handle, GRECT *area)
{
WINDOW *window;
GRECT desk;
wind_update(BEG_UPDATE); /* Bildschirm sperren */
window = search_struct(handle);
if (window)
{
short kind;
if (window->wflags.iconified)
kind = NAME + MOVER;
else
kind = window->kind;
wind_get_grect(0, WF_WORKXYWH, &desk); /* Groesse des Hintergrunds erfragen */
wind_calc_grect(WC_WORK, kind, area, &window->workarea);
if (window->wflags.snap_x)
{
WWORK.g_x += window->snap_dx - 2;
if (WWORK.g_x > (desk.g_x + desk.g_w - 32))
WWORK.g_x = desk.g_x + desk.g_w - 32;
WWORK.g_x -= WWORK.g_x % window->snap_dx;
}
if (window->wflags.snap_y)
{
WWORK.g_y += window->snap_dy - 1;
if (WWORK.g_y > (desk.g_y + desk.g_h - 2))
WWORK.g_y = desk.g_y + desk.g_h - 2;
WWORK.g_y -= WWORK.g_y % window->snap_dy;
}
wind_calc_grect(WC_BORDER, kind, &window->workarea, &window->border);
wind_set_grect(handle, WF_CURRXYWH, &window->border);
}
wind_update(END_UPDATE); /* Bildschirm freigeben */
}
/*----------------------------------------------------------------------------------------*/
/* Scrolling */
/* Funktionsergebnis: - */
/* handle: Fensterhandle */
/* command: Gibt an, auf welche Art zu scrollen ist */
/*----------------------------------------------------------------------------------------*/
void
arr_window(short handle, short command)
{
WINDOW *window;
wind_update(BEG_UPDATE); /* Bildschirm freigeben */
window = search_struct(handle);
if (window)
{
switch (command)
{
case WA_UPPAGE: up_window(window, window->workarea.g_h); break;
case WA_DNPAGE: dn_window(window, window->workarea.g_h); break;
case WA_UPLINE: up_window(window, window->dy); break;
case WA_DNLINE: dn_window(window, window->dy); break;
case WA_LFPAGE: lf_window(window, window->workarea.g_w); break;
case WA_RTPAGE: rt_window(window, window->workarea.g_w); break;
case WA_LFLINE: lf_window(window, window->dx); break;
case WA_RTLINE: rt_window(window, window->dx); break;
}
}
wind_update(END_UPDATE); /* Bildschirm freigeben */
}
/*----------------------------------------------------------------------------------------*/
/* Um dy Zeilen nach oben Scrollen */
/* Funktionsergebnis: - */
/* window: Zeiger auf Fensterstruktur */
/* dy: Anzahl der Zeilen */
/*----------------------------------------------------------------------------------------*/
void
up_window(WINDOW *window, long dy)
{
if (window->y > 0) /* Slider schon oben? */
{
wind_update(BEG_UPDATE); /* Bildschirm fuer andere Apps sperren */
graf_mouse(M_OFF, 0L); /* Maus ausschalten */
if (window->y < dy)
dy = window->y;
window->y -= dy; /* dy Pixelzeilen weiter nach oben */
scroll_vertical(window, -dy); /* nach links scrollen */
graf_mouse(M_ON, 0L); /* Maus einschalten */
wind_update(END_UPDATE); /* Bildschirm freigeben */
}
}
/*----------------------------------------------------------------------------------------*/
/* Um dy Zeilen nach unten Scrollen */
/* Funktionsergebnis: - */
/* window: Zeiger auf Fensterstruktur */
/* dy: Anzahl der Zeilen */
/*----------------------------------------------------------------------------------------*/
void
dn_window(WINDOW *window, long dy)
{
if ((window->y + window->workarea.g_h) < window->h) /* Slider bereits unten? */
{
wind_update(BEG_UPDATE); /* Bildschirm fuer andere Apps sperren */
graf_mouse(M_OFF, 0L); /* Maus ausschalten */
if ((window->y + window->workarea.g_h + dy) > window->h)
dy = window->h - window->y - window->workarea.g_h;
window->y += dy;
scroll_vertical(window, dy); /* nach unten scrollen */
graf_mouse(M_ON, 0L); /* Maus einschalten */
wind_update(END_UPDATE); /* Bildschirm freigeben */
}
}
/*----------------------------------------------------------------------------------------*/
/* Um dx Spalten nach links Scrollen */
/* Funktionsergebnis: - */
/* window: Zeiger auf Fensterstruktur */
/* dx: Anzahl der Spalten */
/*----------------------------------------------------------------------------------------*/
void
lf_window(WINDOW *window, long dx)
{
if (window->x > 0) /* Slider schon linnks? */
{
wind_update(BEG_UPDATE); /* Bildschirm fuer andere Apps sperren */
graf_mouse(M_OFF, 0L); /* Maus ausschalten */
if (window->x < dx) /* kann um dx Pixelspalten gescrollt werden? */
dx = window->x;
window->x -= dx; /* dx Pixelzeilen weiter nach oben */
scroll_horizontal(window, -dx); /* nach links scrollen */
graf_mouse(M_ON, 0L); /* Maus einschalten */
wind_update(END_UPDATE); /* Bildschirm freigeben */
}
}
/*----------------------------------------------------------------------------------------*/
/* Um dx Spalten nach rechts Scrollen */
/* Funktionsergebnis: - */
/* window: Zeiger auf Fensterstruktur */
/* dx: Anzahl der Spalten */
/*----------------------------------------------------------------------------------------*/
void
rt_window(WINDOW *window, long dx)
{
if ((window->x + window->workarea.g_w) < window->w) /* Slider bereits rechts? */
{
wind_update(BEG_UPDATE); /* Bildschirm fuer andere Apps sperren */
graf_mouse(M_OFF, 0L); /* Maus ausschalten */
if ((window->x + window->workarea.g_w + dx) > window->w)
dx = window->w - window->x - window->workarea.g_w;
window->x += dx;
scroll_horizontal(window, dx); /* nach rechts scrollen */
graf_mouse(M_ON, 0L); /* Maus einschalten */
wind_update(END_UPDATE);/* Bildschirm freigeben */
}
}
/*----------------------------------------------------------------------------------------*/
/* Horizontale Sliderposition setzen */
/* Funktionsergebnis: - */
/* handle: Fensterhandle */
/* hslid: neue Sliderposition in Promille */
/*----------------------------------------------------------------------------------------*/
void
hlsid_window(short handle, short hslid)
{
WINDOW *window;
wind_update(BEG_UPDATE); /* Bildschirm sperren */
graf_mouse(M_OFF, 0L); /* Maus ausschalten */
window = search_struct(handle);
if (window)
{
long old_x = window->x;
if ((WWORK.g_w + window->x) > window->w) /* Fenster breiter als der sichtbare Inhalt? */
{
window->x = hslid * window->x / 1000;
set_slsize(window);
}
else
window->x = hslid * (window->w - window->workarea.g_w) / 1000;
if (window->wflags.snap_width)
window->x -= window->x % window->snap_dw;
if (old_x != window->x) /* Sliderposition veraendert? */
scroll_horizontal(window, window->x - old_x);
}
graf_mouse(M_ON, 0L); /* Maus einschalten */
wind_update(END_UPDATE); /* Bildschirm freigeben */
}
/*----------------------------------------------------------------------------------------*/
/* Vertikale Sliderposition setzen */
/* Funktionsergebnis: - */
/* handle: Fensterhandle */
/* vslid: neue Sliderposition in Promille */
/*----------------------------------------------------------------------------------------*/
void
vslid_window(short handle, short vslid)
{
WINDOW *window;
wind_update(BEG_UPDATE); /* Bildschirm fuer andere Apps sperren */
graf_mouse(M_OFF, 0L); /* Maus ausschalten */
window = search_struct(handle);
if (window)
{
long old_y;
old_y = window->y;
if ((WWORK.g_h + window->y) > window->h) /* Fenster hoeher als der sichtbare Inhalt? */
{
window->y = vslid * window->y / 1000;
set_slsize(window);
}
else
window->y = vslid * (window->h - window->workarea.g_h) / 1000;
if (window->wflags.snap_height)
window->y -= window->y % window->snap_dh;
if (old_y != window->y) /* Sliderposition veraendert? */
scroll_vertical(window, window->y - old_y);
}
graf_mouse(M_ON, 0L); /* Maus einschalten */
wind_update(END_UPDATE); /* Bildschirm freigeben */
}
/*----------------------------------------------------------------------------------------*/
/* Horizontales Scrolling (BEG_UPDATE muss bereits gesetzt sein) */
/* Funktionsergebnis: - */
/* window: Fensterstruktur */
/* dx: horizontale Verschiebung (< 0: nach links > 0: nach rechts) */
/*----------------------------------------------------------------------------------------*/
static void
scroll_horizontal(WINDOW *window, short dx)
{
GRECT box;
GRECT desk;
MFDB screen;
RECT16 rect[2];
if (dx)
{
wind_get_grect(0, WF_WORKXYWH, &desk); /* Groesse des Hintergrunds erfragen */
wind_get_grect(window->handle, WF_FIRSTXYWH, &box); /* erstes Element der Rechteckliste erfragen */
while (box.g_w && box.g_h) /* Ende der Rechteckliste? */
{
if (rc_intersect(&desk, &box)) /* Rechteck innerhalb des Schirms? */
{
if (rc_intersect(&window->workarea, &box)) /* Rechteck innerhalb des Fensters? */
{
if (ABS(dx) < box.g_w) /* kann verschoben werden? */
{
screen.fd_addr = 0L; /* Bildschirm */
rect[0].x1 = box.g_x;
rect[0].y1 = box.g_y;
rect[0].x2 = box.g_x + box.g_w - 1;
rect[0].y2 = box.g_y + box.g_h - 1;
vs_clip(vdi_handle, 1, (_WORD *) rect); /* Clipping-Rechteck setzen */
rect[1] = rect[0];
if (dx >= 0)
{
rect[0].x1 += dx;
rect[1].x2 -= dx;
box.g_x += box.g_w - dx;
}
else
{
rect[0].x2 += dx;
rect[1].x1 -= dx;
}
box.g_w = ABS(dx);
vro_cpyfm(vdi_handle, S_ONLY, (_WORD *) rect, &screen, &screen);
}
window->redraw(window, &box); /* Bereich box zeichnen */
}
}
wind_get_grect(window->handle, WF_NEXTXYWH, &box); /* naechstes Element der Rechteckliste holen */
}
if ((WWORK.g_w + window->x) > window->w) /* Fenster breiter als der sichtbare Inhalt? */
set_slsize(window);
else
set_slpos(window);
}
}
/*----------------------------------------------------------------------------------------*/
/* Vertikales Scrolling (BEG_UPDATE muss bereits gesetzt sein) */
/* Funktionsergebnis: - */
/* window: Fensterstruktur */
/* dy: vertikale Verschiebung (< 0: nach oben > 0: nach unten) */
/*----------------------------------------------------------------------------------------*/
static void
scroll_vertical(WINDOW *window, short dy)
{
GRECT box;
GRECT desk;
MFDB screen;
RECT16 rect[2];
if (dy) /* Sliderposition veraendert? */
{
wind_get_grect(0, WF_WORKXYWH, &desk); /* Groesse des Hintergrunds erfragen */
wind_get_grect(window->handle, WF_FIRSTXYWH, &box); /* erstes Element der Rechteckliste erfragen */
while (box.g_w && box.g_h) /* Ende der Rechteckliste? */
{
if (rc_intersect(&desk, &box)) /* Rechteck innerhalb des Schirms? */
{
if (rc_intersect(&window->workarea, &box)) /* Rechteck innerhalb des Fensters? */
{
if (ABS(dy) < box.g_h) /* kann verschoben werden? */
{
screen.fd_addr = 0L; /* Bildschirm */
rect[0].x1 = box.g_x;
rect[0].y1 = box.g_y;
rect[0].x2 = box.g_x + box.g_w - 1;
rect[0].y2 = box.g_y + box.g_h - 1;
vs_clip(vdi_handle, 1, (_WORD *) rect); /* Clipping-Rechteck setzen */
rect[1] = rect[0];
if (dy >= 0) /* nach unten scrollen? */
{
rect[0].y1 += dy;
rect[1].y2 -= dy;
box.g_y += box.g_h - dy;
}
else /* nach oben scrollen */
{
rect[0].y2 += dy;
rect[1].y1 -= dy;
}
box.g_h = ABS(dy);
vro_cpyfm(vdi_handle, S_ONLY, (_WORD *) rect, &screen, &screen);
}
window->redraw(window, &box); /* Bereich box zeichnen */
}
}
wind_get_grect(window->handle, WF_NEXTXYWH, &box); /* naechstes Element der Rechteckliste holen */
}
if ((WWORK.g_h + window->y) > window->h) /* Fenster hoeher als der sichtbare Inhalt? */
set_slsize(window);
else
set_slpos(window);
}
}
/*----------------------------------------------------------------------------------------*/
/* Fenstergroesse veraendern */
/* Funktionsergebnis: - */
/* handle: Fensterhandle */
/* size: Zeiger auf GRECT mit Fensterausmassen */
/*----------------------------------------------------------------------------------------*/
void
size_window(short handle, GRECT *size)
{
WINDOW *window;
short buf[8];
GRECT desk;
window = search_struct(handle);
if (window)
{
int full_redraw;
full_redraw = 0;
if (window->wflags.smart_size == 0) /* gesamtes Fenster neuzeichnen? */
full_redraw = 1;
wind_update(BEG_UPDATE); /* Bildschirm sperren */
wind_get_grect(0, WF_WORKXYWH, &desk); /* Groesse des Hintergrunds erfragen */
window->border = *size; /* Groesse von Fensteraussen und -Innenflaeche bestimmen */
wind_calc_grect(WC_WORK, window->kind, &window->border, &window->workarea);
if (window->wflags.snap_x) /* x-Koordinate snappen? */
{
WWORK.g_x += window->snap_dx - 2;
if (WWORK.g_x > (desk.g_x + desk.g_w - 32))
WWORK.g_x = desk.g_x + desk.g_w - 32;
WWORK.g_x -= WWORK.g_x % window->snap_dx;
}
if (window->wflags.snap_y) /* y-Koordinate snappen? */
{
WWORK.g_y += window->snap_dy - 1;
if (WWORK.g_y > (desk.g_y + desk.g_h - 2))
WWORK.g_y = desk.g_y + desk.g_h - 2;
WWORK.g_y -= WWORK.g_y % window->snap_dy;
}
if (window->wflags.snap_width) /* Breite snappen? */
{
WWORK.g_w += window->snap_dw - 1;
if (WWORK.g_w > desk.g_w)
WWORK.g_h = desk.g_w;
WWORK.g_w -= WWORK.g_w % window->snap_dw;
}
if (window->wflags.snap_height) /* Hoehe snappen? */
{
WWORK.g_h += window->snap_dh - 1;
if (WWORK.g_h > desk.g_h)
WWORK.g_h = desk.g_h;
WWORK.g_h -= WWORK.g_h % window->snap_dh;
}
window->wflags.fuller = 0; /* das Fenster hat nicht mehr die volle Groesse */
if (window->wflags.limit_wsize) /* Groesse begrenzt? */
{
short max_w, max_h;
if (window->limit_w) /* sichtbare Breite zusaetzlich begrenzt? */
max_w = window->limit_w;
else
max_w = (short) window->w;
if (window->limit_h) /* sichtbare Hoehe zusaetzlich begrenzt? */
max_h = window->limit_h;
else
max_h = (short) window->h;
if (WWORK.g_w >= max_w)
{
window->border.g_w -= WWORK.g_w - max_w;
WWORK.g_w = max_w;
}
if (WWORK.g_h >= max_h)
{
window->border.g_h -= WWORK.g_h - max_h;
WWORK.g_h = max_h;
}
if (window->x + WWORK.g_w > window->w)
{
window->x = window->w - WWORK.g_w;
full_redraw = 1; /* gesamtes Fenster neuzeichnen */
}
if (window->y + WWORK.g_h > window->h)
{
window->y = window->h - WWORK.g_h;
full_redraw = 1; /* gesamtes Fenster neuzeichnen */
}
}
wind_calc_grect(WC_BORDER, window->kind, &window->workarea, &window->border);
wind_set_grect(handle, WF_CURRXYWH, &window->border);
set_slsize(window); /* Slidergroesse setzen */
set_slpos(window); /* Sliderposition setzen */
if (full_redraw) /* gesamtes Fenster neuzeichnen? */
{
buf[0] = WM_REDRAW; /* Nachrichtennummer */
buf[1] = app_id; /* Absender der Nachricht */
buf[2] = 0; /* Ueberlaenge in Bytes */
buf[3] = handle; /* Fensternummer */
*(GRECT *)&buf[4] = *size; /* Fensterkoordinaten */
appl_write(app_id, 16, buf); /* Redraw-Meldung an sich selber schicken */
}
wind_update(END_UPDATE); /* Bildschirm freigeben */
}
}
/*----------------------------------------------------------------------------------------*/
/* Sliderposition setzen */
/* Funktionsergebnis: - */
/* window: Zeiger auf Fensterdaten */
/*----------------------------------------------------------------------------------------*/
void
set_slpos(WINDOW *window)
{
if (window->kind & HSLIDE) /* horizontaler Slider vorhanden? */
{
short old_pos = window->hslide;
if ((WWORK.g_w + window->x) >= window->w) /* Fenster breiter als der sichtbare Inhalt? */
window->hslide = 1000;
else
window->hslide = (short)(window->x * 1000 / (window->w - window->workarea.g_w));
if (old_pos != window->hslide) /* Sliderposition veraendert? */
wind_set_int(window->handle, WF_HSLIDE, window->hslide);
}
if (window->kind & VSLIDE) /* vertikaler Slider vorhanden? */
{
short old_pos = window->vslide;
if ((WWORK.g_h + window->y) >= window->h) /* Fenster hoeher als der sichtbare Inhalt? */
window->vslide = 1000;
else
window->vslide = (short)(window->y * 1000 / (window->h - window->workarea.g_h));
if (old_pos != window->vslide) /* Sliderposition veraendert? */
wind_set_int(window->handle, WF_VSLIDE, window->vslide);
}
}
/*----------------------------------------------------------------------------------------*/
/* Slidergroesse setzen */
/* Funktionsergebnis: - */
/* window: Zeiger auf Fensterdaten */
/*----------------------------------------------------------------------------------------*/
void
set_slsize(WINDOW *window)
{
if (window->kind & HSLIDE) /* horizontaler Slider vorhanden? */
{
short old_size = window->hslsize;
if ((WWORK.g_w + window->x) > window->w) /* Fenster breiter als der sichtbare Inhalt? */
window->hslsize = (short) ((long) WWORK.g_w * 1000 / (WWORK.g_w + window->x));
else
window->hslsize = (short) ((long) window->workarea.g_w * 1000 / window->w);
if (window->hslsize == 0)
window->hslsize = -1;
if (window->hslsize > 1000)
window->hslsize = 1000;
if (old_size != window->hslsize) /* Slidergroesse veraendert? */
wind_set_int(window->handle, WF_HSLSIZE, window->hslsize);
}
if (window->kind & VSLIDE) /* vertikaler Slider vorhanden? */
{
short old_size = window->vslsize;
if ((WWORK.g_h + window->y) > window->h) /* Fenster hoeher als der sichtbare Inhalt? */
window->vslsize = (short) ((long) WWORK.g_h * 1000 / (WWORK.g_h + window->y));
else
window->vslsize = (short) ((long) window->workarea.g_h * 1000 / window->h);
if (window->vslsize == 0)
window->vslsize = -1;
if (window->vslsize > 1000)
window->vslsize = 1000;
if (old_size != window->vslsize) /* Slidergroesse veraendert? */
wind_set_int(window->handle, WF_VSLSIZE, window->vslsize);
}
}
/*----------------------------------------------------------------------------------------*/
/* Fenster auf maximale Groesse */
/* Funktionsergebnis: - */
/* handle: Fensterhandle */
/* max_width: 0: ignorieren >0: maximale Breite, Position nicht veraendern */
/* max_height: 0: ignorieren >0: maximale Hoehe, Position nicht veraendern */
/*----------------------------------------------------------------------------------------*/
void
full_window(short handle, short max_width, short max_height)
{
WINDOW *window;
GRECT area;
GRECT desk;
window = search_struct(handle);
if (window)
{
if (window->wflags.fuller) /* bereits maximale Groesse? */
{
wind_get_grect(handle, WF_PREVXYWH, &area);
size_window(handle, &area);
window->wflags.fuller = 0;
}
else
{
wind_get_grect(0, WF_WORKXYWH, &desk); /* Groesse des Desktops */
wind_calc_grect(WC_WORK, window->kind, &desk, &desk); /* Groesse der Fensterinnenflaeche */
area = desk;
area.g_x = window->workarea.g_x; /* die Position nicht veraendern */
area.g_y = window->workarea.g_y;
if (window->wflags.limit_wsize) /* Fenstergroesse begrenzt? */
{
long max_w;
long max_h;
if (window->limit_w) /* sichtbare Breite zusaetzlich begrenzt? */
max_w = window->limit_w;
else
max_w = (short) window->w;
if (window->limit_h) /* sichtbare Hoehe zusaetzlich begrenzt? */
max_h = window->limit_h;
else
max_h = window->h;
if (area.g_w > max_w)
area.g_w = (_WORD)max_w;
if (area.g_h > max_h)
area.g_h = (_WORD)max_h;
}
if (max_width || max_height) /* Fenstergroesse nur so gross wie noetig machen? */
{
if (area.g_w > max_width)
area.g_w = max_width;
if (area.g_h > max_height)
area.g_h = max_height;
}
if ((area.g_x + area.g_w) > (desk.g_x + desk.g_w))
area.g_x = desk.g_x + desk.g_w - area.g_w;
if (area.g_x < desk.g_x)
area.g_x = desk.g_x;
if ((area.g_y + area.g_h) > (desk.g_y + desk.g_h))
area.g_y = desk.g_y + desk.g_h - area.g_h;
if (area.g_y < desk.g_y)
area.g_y = desk.g_y;
wind_calc_grect(WC_BORDER, window->kind, &area, &area);
size_window(handle, &area);
window->wflags.fuller = 1;
}
}
}
/*----------------------------------------------------------------------------------------*/
/* Fenster ikonifizieren */
/* Funktionsergebnis: - */
/* handle: Fensterhandle */
/* size: neue Fenstergroesse oder NULL */
/*----------------------------------------------------------------------------------------*/
void
iconify_window(short handle, GRECT *size)
{
WINDOW *window;
window = search_struct(handle);
if (window)
{
GRECT area;
window->saved_border = window->border;
if ((size == 0L) || (size->g_w < 1) || (size->g_h < 1))
{
GRECT unknown = { -1, -1, -1, -1 };
wind_close(window->handle);
wind_set_grect(window->handle, WF_ICONIFY, &unknown);
wind_get_grect(window->handle, WF_CURRXYWH, &area);
size = &area;
wind_open_grect(window->handle, &area);
}
else
{
graf_shrinkbox_grect(size , &window->border);
wind_set_grect(window->handle, WF_ICONIFY, size);
}
window->border = *size;
wind_get_grect(window->handle, WF_WORKXYWH, &window->workarea);
/* spezieller Fenstertitel? */
if (window->iconified_name)
wind_set_str(window->handle, WF_NAME, window->iconified_name);
wind_set_int(window->handle, WF_BOTTOM, 0); /* nach hinten legen */
window->wflags.iconified = 1;
}