mirror of
https://github.com/reactos/reactos.git
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a12836346f
Fixed problems with differnet console sizes Started function renaming svn path=/trunk/; revision=1034
397 lines
11 KiB
C
397 lines
11 KiB
C
/* ------------- popdown.c ----------- */
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#include "dflat.h"
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static int SelectionWidth(struct PopDown *);
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static int py = -1;
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/* ------------ CREATE_WINDOW Message ------------- */
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static int CreateWindowMsg(DFWINDOW wnd)
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{
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int rtn, adj;
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ClearAttribute (wnd,
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HASTITLEBAR |
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VSCROLLBAR |
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MOVEABLE |
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SIZEABLE |
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HSCROLLBAR);
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/* ------ adjust to keep popdown on screen ----- */
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adj = DfGetScreenHeight()-1-wnd->rc.bt;
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if (adj < 0)
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{
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wnd->rc.tp += adj;
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wnd->rc.bt += adj;
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}
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adj = DfGetScreenWidth()-1-wnd->rc.rt;
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if (adj < 0)
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{
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wnd->rc.lf += adj;
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wnd->rc.rt += adj;
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}
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rtn = BaseWndProc(POPDOWNMENU, wnd, CREATE_WINDOW, 0, 0);
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DfSendMessage(wnd, CAPTURE_MOUSE, 0, 0);
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DfSendMessage(wnd, CAPTURE_KEYBOARD, 0, 0);
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DfSendMessage(NULL, SAVE_CURSOR, 0, 0);
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DfSendMessage(NULL, HIDE_CURSOR, 0, 0);
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wnd->oldFocus = inFocus;
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inFocus = wnd;
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return rtn;
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}
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/* --------- LEFT_BUTTON Message --------- */
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static void LeftButtonMsg(DFWINDOW wnd, PARAM p1, PARAM p2)
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{
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int my = (int) p2 - GetTop(wnd);
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if (InsideRect(p1, p2, ClientRect(wnd))) {
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if (my != py) {
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DfSendMessage(wnd, LB_SELECTION,
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(PARAM) wnd->wtop+my-1, TRUE);
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py = my;
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}
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}
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else if ((int)p2 == GetTop(GetParent(wnd)))
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if (GetClass(GetParent(wnd)) == MENUBAR)
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DfPostMessage(GetParent(wnd), LEFT_BUTTON, p1, p2);
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}
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/* -------- BUTTON_RELEASED Message -------- */
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static BOOL ButtonReleasedMsg(DFWINDOW wnd, PARAM p1, PARAM p2)
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{
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py = -1;
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if (InsideRect((int)p1, (int)p2, ClientRect(wnd))) {
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int sel = (int)p2 - GetClientTop(wnd);
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if (*TextLine(wnd, sel) != LINE)
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DfSendMessage(wnd, LB_CHOOSE, wnd->selection, 0);
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}
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else {
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DFWINDOW pwnd = GetParent(wnd);
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if (GetClass(pwnd) == MENUBAR && (int)p2==GetTop(pwnd))
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return FALSE;
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if ((int)p1 == GetLeft(pwnd)+2)
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return FALSE;
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DfSendMessage(wnd, CLOSE_WINDOW, 0, 0);
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return TRUE;
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}
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return FALSE;
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}
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/* --------- PAINT Message -------- */
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static void PaintMsg(DFWINDOW wnd)
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{
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int wd;
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unsigned char sep[80], *cp = sep;
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unsigned char sel[80];
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struct PopDown *ActivePopDown;
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struct PopDown *pd1;
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ActivePopDown = pd1 = wnd->mnu->Selections;
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wd = MenuWidth(ActivePopDown)-2;
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while (wd--)
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*cp++ = LINE;
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*cp = '\0';
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DfSendMessage(wnd, CLEARTEXT, 0, 0);
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wnd->selection = wnd->mnu->Selection;
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while (pd1->SelectionTitle != NULL) {
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if (*pd1->SelectionTitle == LINE)
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DfSendMessage(wnd, ADDTEXT, (PARAM) sep, 0);
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else {
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int len;
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memset(sel, '\0', sizeof sel);
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if (pd1->Attrib & INACTIVE)
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/* ------ inactive menu selection ----- */
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sprintf(sel, "%c%c%c",
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CHANGECOLOR,
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wnd->WindowColors [HILITE_COLOR] [FG]|0x80,
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wnd->WindowColors [STD_COLOR] [BG]|0x80);
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strcat(sel, " ");
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if (pd1->Attrib & CHECKED)
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/* ---- paint the toggle checkmark ---- */
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sel[strlen(sel)-1] = CHECKMARK;
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len=CopyCommand(sel+strlen(sel),pd1->SelectionTitle,
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pd1->Attrib & INACTIVE,
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wnd->WindowColors [STD_COLOR] [BG]);
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if (pd1->Accelerator) {
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/* ---- paint accelerator key ---- */
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int i;
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int wd1 = 2+SelectionWidth(ActivePopDown) -
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strlen(pd1->SelectionTitle);
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for (i = 0; keys[i].keylabel; i++) {
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if (keys[i].keycode == pd1->Accelerator) {
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while (wd1--)
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strcat(sel, " ");
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sprintf(sel+strlen(sel), "[%s]",
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keys[i].keylabel);
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break;
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}
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}
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}
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if (pd1->Attrib & CASCADED) {
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/* ---- paint cascaded menu token ---- */
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if (!pd1->Accelerator) {
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wd = MenuWidth(ActivePopDown)-len+1;
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while (wd--)
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strcat(sel, " ");
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}
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sel[strlen(sel)-1] = CASCADEPOINTER;
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}
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else
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strcat(sel, " ");
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strcat(sel, " ");
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sel[strlen(sel)-1] = RESETCOLOR;
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DfSendMessage(wnd, ADDTEXT, (PARAM) sel, 0);
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}
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pd1++;
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}
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}
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/* ---------- BORDER Message ----------- */
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static int BorderMsg(DFWINDOW wnd)
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{
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int i, rtn = TRUE;
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DFWINDOW currFocus;
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if (wnd->mnu != NULL) {
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currFocus = inFocus;
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inFocus = NULL;
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rtn = BaseWndProc(POPDOWNMENU, wnd, BORDER, 0, 0);
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inFocus = currFocus;
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for (i = 0; i < ClientHeight(wnd); i++) {
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if (*TextLine(wnd, i) == LINE) {
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wputch(wnd, LEDGE, 0, i+1);
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wputch(wnd, REDGE, WindowWidth(wnd)-1, i+1);
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}
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}
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}
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return rtn;
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}
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/* -------------- LB_CHOOSE Message -------------- */
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static void LBChooseMsg(DFWINDOW wnd, PARAM p1)
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{
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struct PopDown *ActivePopDown = wnd->mnu->Selections;
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if (ActivePopDown != NULL) {
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int *attr = &(ActivePopDown+(int)p1)->Attrib;
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wnd->mnu->Selection = (int)p1;
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if (!(*attr & INACTIVE)) {
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if (*attr & TOGGLE)
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*attr ^= CHECKED;
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DfPostMessage(GetParent(wnd), DFM_COMMAND,
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(ActivePopDown+(int)p1)->ActionId, p1);
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}
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else
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beep();
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}
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}
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/* ---------- KEYBOARD Message --------- */
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static BOOL KeyboardMsg(DFWINDOW wnd, PARAM p1, PARAM p2)
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{
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struct PopDown *ActivePopDown = wnd->mnu->Selections;
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if (wnd->mnu != NULL)
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{
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if (ActivePopDown != NULL)
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{
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int c = (int)p1;
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int sel = 0;
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int a;
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struct PopDown *pd = ActivePopDown;
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if ((c & OFFSET) == 0)
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c = tolower(c);
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a = AltConvert(c);
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while (pd->SelectionTitle != NULL)
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{
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char *cp = strchr(pd->SelectionTitle, SHORTCUTCHAR);
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/* FIXME: AltConvert bug !! */
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if ((cp && tolower(*(cp+1)) == c) ||
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// (a && tolower(*(cp+1)) == a) ||
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pd->Accelerator == c)
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{
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DfPostMessage(wnd, LB_SELECTION, sel, 0);
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DfPostMessage(wnd, LB_CHOOSE, sel, TRUE);
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return TRUE;
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}
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pd++;
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sel++;
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}
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}
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}
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switch ((int)p1)
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{
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case F1:
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if (ActivePopDown == NULL)
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DfSendMessage(GetParent(wnd), KEYBOARD, p1, p2);
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else
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DisplayHelp(wnd,
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(ActivePopDown+wnd->selection)->help);
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return TRUE;
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case ESC:
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DfSendMessage(wnd, CLOSE_WINDOW, 0, 0);
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return TRUE;
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case FWD:
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case BS:
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if (GetClass(GetParent(wnd)) == MENUBAR)
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DfPostMessage(GetParent(wnd), KEYBOARD, p1, p2);
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return TRUE;
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case UP:
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if (wnd->selection == 0) {
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if (wnd->wlines == ClientHeight(wnd)) {
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DfPostMessage(wnd, LB_SELECTION,
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wnd->wlines-1, FALSE);
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return TRUE;
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}
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}
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break;
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case DN:
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if (wnd->selection == wnd->wlines-1) {
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if (wnd->wlines == ClientHeight(wnd)) {
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DfPostMessage(wnd, LB_SELECTION, 0, FALSE);
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return TRUE;
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}
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}
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break;
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case HOME:
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case END:
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case '\r':
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break;
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default:
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return TRUE;
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}
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return FALSE;
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}
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/* ----------- CLOSE_WINDOW Message ---------- */
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static int CloseWindowMsg(DFWINDOW wnd)
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{
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int rtn;
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DFWINDOW pwnd = GetParent(wnd);
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DfSendMessage(wnd, RELEASE_MOUSE, 0, 0);
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DfSendMessage(wnd, RELEASE_KEYBOARD, 0, 0);
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DfSendMessage(NULL, RESTORE_CURSOR, 0, 0);
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inFocus = wnd->oldFocus;
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rtn = BaseWndProc(POPDOWNMENU, wnd, CLOSE_WINDOW, 0, 0);
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DfSendMessage(pwnd, CLOSE_POPDOWN, 0, 0);
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return rtn;
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}
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/* - Window processing module for POPDOWNMENU window class - */
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int PopDownProc(DFWINDOW wnd, DFMESSAGE msg, PARAM p1, PARAM p2)
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{
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switch (msg) {
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case CREATE_WINDOW:
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return CreateWindowMsg(wnd);
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case LEFT_BUTTON:
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LeftButtonMsg(wnd, p1, p2);
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return FALSE;
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case DOUBLE_CLICK:
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return TRUE;
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case LB_SELECTION:
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if (*TextLine(wnd, (int)p1) == LINE)
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return TRUE;
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wnd->mnu->Selection = (int)p1;
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break;
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case DFM_BUTTON_RELEASED:
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if (ButtonReleasedMsg(wnd, p1, p2))
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return TRUE;
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break;
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case BUILD_SELECTIONS:
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wnd->mnu = (void *) p1;
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wnd->selection = wnd->mnu->Selection;
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break;
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case PAINT:
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if (wnd->mnu == NULL)
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return TRUE;
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PaintMsg(wnd);
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break;
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case BORDER:
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return BorderMsg(wnd);
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case LB_CHOOSE:
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LBChooseMsg(wnd, p1);
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return TRUE;
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case KEYBOARD:
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if (KeyboardMsg(wnd, p1, p2))
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return TRUE;
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break;
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case CLOSE_WINDOW:
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return CloseWindowMsg(wnd);
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default:
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break;
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}
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return BaseWndProc(POPDOWNMENU, wnd, msg, p1, p2);
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}
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/* --------- compute menu height -------- */
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int MenuHeight(struct PopDown *pd)
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{
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int ht = 0;
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while (pd[ht].SelectionTitle != NULL)
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ht++;
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return ht+2;
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}
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/* --------- compute menu width -------- */
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int MenuWidth(struct PopDown *pd)
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{
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int wd = 0, i;
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int len = 0;
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wd = SelectionWidth(pd);
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while (pd->SelectionTitle != NULL) {
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if (pd->Accelerator) {
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for (i = 0; keys[i].keylabel; i++)
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if (keys[i].keycode == pd->Accelerator) {
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len = max(len, (int)(2+strlen(keys[i].keylabel)));
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break;
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}
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}
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if (pd->Attrib & CASCADED)
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len = max(len, 2);
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pd++;
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}
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return wd+5+len;
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}
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/* ---- compute the maximum selection width in a menu ---- */
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static int SelectionWidth(struct PopDown *pd)
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{
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int wd = 0;
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while (pd->SelectionTitle != NULL) {
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int len = strlen(pd->SelectionTitle)-1;
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wd = max(wd, len);
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pd++;
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}
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return wd;
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}
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/* ----- copy a menu command to a display buffer ---- */
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int CopyCommand(unsigned char *dest, unsigned char *src,
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int skipcolor, int bg)
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{
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unsigned char *d = dest;
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while (*src && *src != '\n') {
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if (*src == SHORTCUTCHAR) {
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src++;
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if (!skipcolor) {
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*dest++ = CHANGECOLOR;
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*dest++ = cfg.clr[POPDOWNMENU]
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[HILITE_COLOR] [BG] | 0x80;
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*dest++ = bg | 0x80;
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*dest++ = *src++;
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*dest++ = RESETCOLOR;
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}
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}
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else
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*dest++ = *src++;
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}
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return (int) (dest - d);
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}
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/* EOF */
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