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https://github.com/reactos/reactos.git
synced 2024-12-26 09:04:39 +00:00
521 lines
15 KiB
C
521 lines
15 KiB
C
/* ---------- window.c ------------- */
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#include "dflat.h"
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DFWINDOW DfInFocus = NULL;
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int DfForeground, DfBackground; /* current video colors */
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static void TopLine(DFWINDOW, int, DFRECT);
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/* --------- create a window ------------ */
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DFWINDOW DfDfCreateWindow(
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DFCLASS class, /* class of this window */
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char *ttl, /* title or NULL */
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int left, int top, /* upper left coordinates */
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int height, int width, /* dimensions */
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void *extension, /* pointer to additional data */
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DFWINDOW parent, /* parent of this window */
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int (*wndproc)(struct DfWindow *,enum DfMessages,DF_PARAM,DF_PARAM),
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int attrib) /* window attribute */
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{
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DFWINDOW wnd = DfCalloc(1, sizeof(struct DfWindow));
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if (wnd != NULL) {
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int base;
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/* ----- height, width = -1: fill the screen ------- */
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if (height == -1)
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height = DfScreenHeight;
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if (width == -1)
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width = DfScreenWidth;
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/* ----- coordinates -1, -1 = center the window ---- */
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if (left == -1)
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wnd->rc.lf = (DfScreenWidth-width)/2;
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else
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wnd->rc.lf = left;
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if (top == -1)
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wnd->rc.tp = (DfScreenHeight-height)/2;
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else
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wnd->rc.tp = top;
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wnd->attrib = attrib;
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if (ttl != NULL)
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DfAddAttribute(wnd, DF_HASTITLEBAR);
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if (wndproc == NULL)
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wnd->wndproc = DfClassDefs[class].wndproc;
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else
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wnd->wndproc = wndproc;
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/* ---- derive attributes of base classes ---- */
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base = class;
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while (base != -1) {
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DfAddAttribute(wnd, DfClassDefs[base].attrib);
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base = DfClassDefs[base].base;
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}
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if (parent)
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{
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if (!DfTestAttribute(wnd, DF_NOCLIP))
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{
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/* -- keep upper left DfWithin borders of parent - */
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wnd->rc.lf = max(wnd->rc.lf,DfGetClientLeft(parent));
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wnd->rc.tp = max(wnd->rc.tp,DfGetClientTop(parent));
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}
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}
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else
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parent = DfApplicationWindow;
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wnd->class = class;
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wnd->extension = extension;
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wnd->rc.rt = DfGetLeft(wnd)+width-1;
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wnd->rc.bt = DfGetTop(wnd)+height-1;
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wnd->ht = height;
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wnd->wd = width;
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if (ttl != NULL)
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DfInsertTitle(wnd, ttl);
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wnd->parent = parent;
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wnd->oldcondition = wnd->condition = DF_SRESTORED;
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wnd->RestoredRC = wnd->rc;
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DfInitWindowColors(wnd);
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DfSendMessage(wnd, DFM_CREATE_WINDOW, 0, 0);
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if (DfIsVisible(wnd))
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DfSendMessage(wnd, DFM_SHOW_WINDOW, 0, 0);
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}
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return wnd;
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}
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/* -------- add a title to a window --------- */
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void DfAddTitle(DFWINDOW wnd, char *ttl)
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{
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DfInsertTitle(wnd, ttl);
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DfSendMessage(wnd, DFM_BORDER, 0, 0);
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}
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/* ----- insert a title into a window ---------- */
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void DfInsertTitle(DFWINDOW wnd, char *ttl)
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{
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wnd->title=DfRealloc(wnd->title,strlen(ttl)+1);
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strcpy(wnd->title, ttl);
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}
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static unsigned char line[300];
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/* ------ write a line to video window client area ------ */
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void DfWriteLine(DFWINDOW wnd, char *str, int x, int y, BOOL pad)
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{
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char *cp;
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int len;
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int dif;
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char wline[200];
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memset(wline, 0, 200);
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len = DfLineLength(str);
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dif = strlen(str) - len;
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strncpy(wline, str, DfClientWidth(wnd) + dif);
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if (pad) {
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cp = wline+strlen(wline);
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while (len++ < DfClientWidth(wnd)-x)
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*cp++ = ' ';
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}
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DfWPuts(wnd, wline, x, y);
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}
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DFRECT DfAdjustRectangle(DFWINDOW wnd, DFRECT rc)
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{
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/* -------- adjust the rectangle ------- */
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if (DfTestAttribute(wnd, DF_HASBORDER)) {
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if (DfRectLeft(rc) == 0)
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--rc.rt;
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else if (DfRectLeft(rc) < DfRectRight(rc) &&
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DfRectLeft(rc) < DfWindowWidth(wnd)+1)
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--rc.lf;
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}
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if (DfTestAttribute(wnd, DF_HASBORDER | DF_HASTITLEBAR)) {
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if (DfRectTop(rc) == 0)
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--rc.bt;
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else if (DfRectTop(rc) < DfRectBottom(rc) &&
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DfRectTop(rc) < DfWindowHeight(wnd)+1)
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--rc.tp;
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}
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DfRectRight(rc) = max(DfRectLeft(rc),
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min(DfRectRight(rc),DfWindowWidth(wnd)));
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DfRectBottom(rc) = max(DfRectTop(rc),
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min(DfRectBottom(rc),DfWindowHeight(wnd)));
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return rc;
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}
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/* -------- display a window's title --------- */
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void DfDisplayTitle(DFWINDOW wnd, DFRECT *rcc)
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{
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if (DfGetTitle(wnd) != NULL)
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{
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int tlen = min((int)strlen(DfGetTitle(wnd)), (int)DfWindowWidth(wnd)-2);
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int tend = DfWindowWidth(wnd)-3-DfBorderAdj(wnd);
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DFRECT rc;
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if (rcc == NULL)
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rc = DfRelativeWindowRect(wnd, DfWindowRect(wnd));
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else
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rc = *rcc;
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rc = DfAdjustRectangle(wnd, rc);
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if (DfSendMessage(wnd, DFM_TITLE, (DF_PARAM) rcc, 0))
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{
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if (wnd == DfInFocus)
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{
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DfForeground = DfCfg.clr[DF_TITLEBAR] [DF_HILITE_COLOR] [DF_FG];
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DfBackground = DfCfg.clr[DF_TITLEBAR] [DF_HILITE_COLOR] [DF_BG];
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}
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else
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{
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DfForeground = DfCfg.clr[DF_TITLEBAR] [DF_STD_COLOR] [DF_FG];
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DfBackground = DfCfg.clr[DF_TITLEBAR] [DF_STD_COLOR] [DF_BG];
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}
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memset(line,' ',DfWindowWidth(wnd));
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#ifdef INCLUDE_MINIMIZE
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if (wnd->condition != DF_ISMINIMIZED)
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#endif
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strncpy (line + ((DfWindowWidth(wnd)-2 - tlen) / 2),
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wnd->title, tlen);
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if (DfTestAttribute(wnd, DF_CONTROLBOX))
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line[2-DfBorderAdj(wnd)] = DF_CONTROLBOXCHAR;
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if (DfTestAttribute(wnd, DF_MINMAXBOX))
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{
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switch (wnd->condition)
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{
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case DF_SRESTORED:
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#ifdef INCLUDE_MAXIMIZE
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line[tend+1] = DF_MAXPOINTER;
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#endif
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#ifdef INCLUDE_MINIMIZE
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line[tend] = DF_MINPOINTER;
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#endif
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break;
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#ifdef INCLUDE_MINIMIZE
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case DF_ISMINIMIZED:
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line[tend+1] = DF_MAXPOINTER;
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break;
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#endif
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#ifdef INCLUDE_MAXIMIZE
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case DF_ISMAXIMIZED:
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#ifdef INCLUDE_MINIMIZE
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line[tend] = DF_MINPOINTER;
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#endif
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#ifdef INCLUDE_RESTORE
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line[tend+1] = DF_RESTOREPOINTER;
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#endif
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break;
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#endif
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default:
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break;
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}
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}
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line[DfRectRight(rc)+1] = line[tend+3] = '\0';
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if (wnd != DfInFocus)
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DfClipString++;
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DfWriteLine(wnd, line+DfRectLeft(rc),
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DfRectLeft(rc)+DfBorderAdj(wnd),
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0,
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FALSE);
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DfClipString = 0;
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}
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}
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}
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/* --- display right border shadow character of a window --- */
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static void shadow_char(DFWINDOW wnd, int y)
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{
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int fg = DfForeground;
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int bg = DfBackground;
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int x = DfWindowWidth(wnd);
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char c = DfVideoChar(DfGetLeft(wnd)+x, DfGetTop(wnd)+y);
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if (DfTestAttribute(wnd, DF_SHADOW) == 0)
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return;
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DfForeground = DARKGRAY;
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DfBackground = BLACK;
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DfWPutch(wnd, c, x, y);
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DfForeground = fg;
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DfBackground = bg;
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}
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/* --- display the bottom border shadow line for a window -- */
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static void shadowline(DFWINDOW wnd, DFRECT rc)
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{
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int i;
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int y = DfGetBottom(wnd)+1;
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int fg = DfForeground;
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int bg = DfBackground;
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if ((DfTestAttribute(wnd, DF_SHADOW)) == 0)
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return;
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for (i = 0; i < DfWindowWidth(wnd)+1; i++)
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line[i] = DfVideoChar(DfGetLeft(wnd)+i, y);
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line[i] = '\0';
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DfForeground = DARKGRAY;
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DfBackground = BLACK;
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line[DfRectRight(rc)+1] = '\0';
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if (DfRectLeft(rc) == 0)
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rc.lf++;
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DfClipString++;
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DfWPuts(wnd, line+DfRectLeft(rc), DfRectLeft(rc),
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DfWindowHeight(wnd));
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--DfClipString;
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DfForeground = fg;
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DfBackground = bg;
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}
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static DFRECT ParamRect(DFWINDOW wnd, DFRECT *rcc)
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{
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DFRECT rc;
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if (rcc == NULL) {
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rc = DfRelativeWindowRect(wnd, DfWindowRect(wnd));
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if (DfTestAttribute(wnd, DF_SHADOW)) {
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rc.rt++;
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rc.bt++;
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}
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}
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else
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rc = *rcc;
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return rc;
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}
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void DfPaintShadow(DFWINDOW wnd)
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{
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int y;
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DFRECT rc = ParamRect(wnd, NULL);
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for (y = 1; y < DfWindowHeight(wnd); y++)
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shadow_char(wnd, y);
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shadowline(wnd, rc);
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}
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/* ------- display a window's border ----- */
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void DfRepaintBorder(DFWINDOW wnd, DFRECT *rcc)
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{
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int y;
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char lin, side, ne, nw, se, sw;
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DFRECT rc, clrc;
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if (!DfTestAttribute(wnd, DF_HASBORDER))
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return;
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rc = ParamRect(wnd, rcc);
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clrc = DfAdjustRectangle(wnd, rc);
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if (wnd == DfInFocus) {
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lin = DF_FOCUS_LINE;
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side = DF_FOCUS_SIDE;
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ne = DF_FOCUS_NE;
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nw = DF_FOCUS_NW;
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se = DF_FOCUS_SE;
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sw = DF_FOCUS_SW;
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}
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else {
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lin = DF_LINE;
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side = DF_SIDE;
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ne = DF_NE;
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nw = DF_NW;
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se = DF_SE;
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sw = DF_SW;
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}
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line[DfWindowWidth(wnd)] = '\0';
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/* ---------- window title ------------ */
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if (DfTestAttribute(wnd, DF_HASTITLEBAR))
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if (DfRectTop(rc) == 0)
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if (DfRectLeft(rc) < DfWindowWidth(wnd)-DfBorderAdj(wnd))
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DfDisplayTitle(wnd, &rc);
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DfForeground = DfFrameForeground(wnd);
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DfBackground = DfFrameBackground(wnd);
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/* -------- top frame corners --------- */
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if (DfRectTop(rc) == 0) {
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if (DfRectLeft(rc) == 0)
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DfWPutch(wnd, nw, 0, 0);
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if (DfRectLeft(rc) < DfWindowWidth(wnd)) {
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if (DfRectRight(rc) >= DfWindowWidth(wnd)-1)
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DfWPutch(wnd, ne, DfWindowWidth(wnd)-1, 0);
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TopLine(wnd, lin, clrc);
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}
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}
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/* ----------- window body ------------ */
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for (y = DfRectTop(rc); y <= DfRectBottom(rc); y++) {
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char ch;
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if (y == 0 || y >= DfWindowHeight(wnd)-1)
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continue;
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if (DfRectLeft(rc) == 0)
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DfWPutch(wnd, side, 0, y);
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if (DfRectLeft(rc) < DfWindowWidth(wnd) &&
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DfRectRight(rc) >= DfWindowWidth(wnd)-1) {
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if (DfTestAttribute(wnd, DF_VSCROLLBAR))
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ch = ( y == 1 ? DF_UPSCROLLBOX :
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y == DfWindowHeight(wnd)-2 ?
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DF_DOWNSCROLLBOX :
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y-1 == wnd->VScrollBox ?
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DF_SCROLLBOXCHAR :
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DF_SCROLLBARCHAR );
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else
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ch = side;
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DfWPutch(wnd, ch, DfWindowWidth(wnd)-1, y);
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}
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if (DfRectRight(rc) == DfWindowWidth(wnd))
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shadow_char(wnd, y);
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}
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if (DfRectTop(rc) <= DfWindowHeight(wnd)-1 &&
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DfRectBottom(rc) >= DfWindowHeight(wnd)-1) {
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/* -------- bottom frame corners ---------- */
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if (DfRectLeft(rc) == 0)
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DfWPutch(wnd, sw, 0, DfWindowHeight(wnd)-1);
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if (DfRectLeft(rc) < DfWindowWidth(wnd) &&
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DfRectRight(rc) >= DfWindowWidth(wnd)-1)
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DfWPutch(wnd, se, DfWindowWidth(wnd)-1,
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DfWindowHeight(wnd)-1);
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if (wnd->StatusBar == NULL) {
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/* ----------- bottom line ------------- */
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memset(line,lin,DfWindowWidth(wnd)-1);
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if (DfTestAttribute(wnd, DF_HSCROLLBAR)) {
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line[0] = DF_LEFTSCROLLBOX;
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line[DfWindowWidth(wnd)-3] = DF_RIGHTSCROLLBOX;
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memset(line+1, DF_SCROLLBARCHAR, DfWindowWidth(wnd)-4);
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line[wnd->HScrollBox] = DF_SCROLLBOXCHAR;
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}
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line[DfWindowWidth(wnd)-2] = line[DfRectRight(rc)] = '\0';
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if (DfRectLeft(rc) != DfRectRight(rc) ||
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(DfRectLeft(rc) && DfRectLeft(rc) < DfWindowWidth(wnd)-1))
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{
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if (wnd != DfInFocus)
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DfClipString++;
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DfWriteLine(wnd,
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line+(DfRectLeft(clrc)),
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DfRectLeft(clrc)+1,
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DfWindowHeight(wnd)-1,
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FALSE);
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DfClipString = 0;
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}
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}
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if (DfRectRight(rc) == DfWindowWidth(wnd))
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shadow_char(wnd, DfWindowHeight(wnd)-1);
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}
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if (DfRectBottom(rc) == DfWindowHeight(wnd))
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/* ---------- bottom shadow ------------- */
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shadowline(wnd, rc);
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}
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static void TopLine(DFWINDOW wnd, int lin, DFRECT rc)
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{
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if (DfTestAttribute(wnd, DF_HASMENUBAR))
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return;
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if (DfTestAttribute(wnd, DF_HASTITLEBAR) && DfGetTitle(wnd))
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return;
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if (DfRectLeft(rc) == 0) {
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DfRectLeft(rc) += DfBorderAdj(wnd);
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DfRectRight(rc) += DfBorderAdj(wnd);
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}
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if (DfRectRight(rc) < DfWindowWidth(wnd)-1)
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DfRectRight(rc)++;
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if (DfRectLeft(rc) < DfRectRight(rc)) {
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/* ----------- top line ------------- */
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memset(line,lin,DfWindowWidth(wnd)-1);
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if (DfTestAttribute(wnd, DF_CONTROLBOX)) {
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strncpy(line+1, " ", 3);
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*(line+2) = DF_CONTROLBOXCHAR;
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}
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line[DfRectRight(rc)] = '\0';
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DfWriteLine(wnd, line+DfRectLeft(rc),
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DfRectLeft(rc), 0, FALSE);
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}
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}
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/* ------ clear the data space of a window -------- */
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void DfClearWindow(DFWINDOW wnd, DFRECT *rcc, int clrchar)
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{
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if (DfIsVisible(wnd)) {
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int y;
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DFRECT rc;
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if (rcc == NULL)
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rc = DfRelativeWindowRect(wnd, DfWindowRect(wnd));
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else
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rc = *rcc;
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if (DfRectLeft(rc) == 0)
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DfRectLeft(rc) = DfBorderAdj(wnd);
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if (DfRectRight(rc) > DfWindowWidth(wnd)-1)
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DfRectRight(rc) = DfWindowWidth(wnd)-1;
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DfSetStandardColor(wnd);
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memset(line, clrchar, sizeof line);
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line[DfRectRight(rc)+1] = '\0';
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for (y = DfRectTop(rc); y <= DfRectBottom(rc); y++)
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{
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if (y < DfTopBorderAdj(wnd) ||
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y > DfClientHeight(wnd)+
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(DfTestAttribute(wnd, DF_HASMENUBAR) ? 1 : 0))
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continue;
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DfWriteLine(wnd,
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line+(DfRectLeft(rc)),
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DfRectLeft(rc),
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y,
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FALSE);
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}
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}
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}
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/* ------ compute the logical line length of a window ------ */
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int DfLineLength(char *ln)
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{
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int len = strlen(ln);
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char *cp = ln;
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while ((cp = strchr(cp, DF_CHANGECOLOR)) != NULL)
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{
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cp++;
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len -= 3;
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}
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cp = ln;
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while ((cp = strchr(cp, DF_RESETCOLOR)) != NULL)
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{
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cp++;
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--len;
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}
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return len;
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}
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void DfInitWindowColors(DFWINDOW wnd)
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{
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int fbg,col;
|
|
int cls = DfGetClass(wnd);
|
|
/* window classes without assigned colors inherit parent's colors */
|
|
if (DfCfg.clr[cls][0][0] == 0xff && DfGetParent(wnd) != NULL)
|
|
cls = DfGetClass(DfGetParent(wnd));
|
|
/* ---------- set the colors ---------- */
|
|
for (fbg = 0; fbg < 2; fbg++)
|
|
for (col = 0; col < 4; col++)
|
|
wnd->WindowColors[col][fbg] = DfCfg.clr[cls][col][fbg];
|
|
}
|
|
|
|
void DfPutWindowChar(DFWINDOW wnd, char c, int x, int y)
|
|
{
|
|
if (x < DfClientWidth(wnd) && y < DfClientHeight(wnd))
|
|
DfWPutch(wnd, c, x+DfBorderAdj(wnd), y+DfTopBorderAdj(wnd));
|
|
}
|
|
|
|
void DfPutWindowLine(DFWINDOW wnd, void *s, int x, int y)
|
|
{
|
|
int saved = FALSE;
|
|
int sv = 0;
|
|
|
|
if (x < DfClientWidth(wnd) && y < DfClientHeight(wnd))
|
|
{
|
|
char *en = (char *)s+DfClientWidth(wnd)-x;
|
|
if ((int)(strlen(s)+x) > (int)DfClientWidth(wnd))
|
|
{
|
|
sv = *en;
|
|
*en = '\0';
|
|
saved = TRUE;
|
|
}
|
|
DfClipString++;
|
|
DfWPuts(wnd, s, x+DfBorderAdj(wnd), y+DfTopBorderAdj(wnd));
|
|
--DfClipString;
|
|
if (saved)
|
|
*en = sv;
|
|
}
|
|
}
|
|
|
|
/* EOF */
|