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Diffstat (limited to 'krfb/libvncserver/selbox.c')
-rw-r--r--krfb/libvncserver/selbox.c301
1 files changed, 0 insertions, 301 deletions
diff --git a/krfb/libvncserver/selbox.c b/krfb/libvncserver/selbox.c
deleted file mode 100644
index 6cdb4590..00000000
--- a/krfb/libvncserver/selbox.c
+++ /dev/null
@@ -1,301 +0,0 @@
-#include <ctype.h>
-#include "rfb.h"
-#include "keysym.h"
-
-typedef struct {
- rfbScreenInfoPtr screen;
- rfbFontDataPtr font;
- char** list;
- int listSize;
- int selected;
- int displayStart;
- int x1,y1,x2,y2,textH,pageH;
- int xhot,yhot;
- int buttonWidth,okBX,cancelBX,okX,cancelX,okY;
- Bool okInverted,cancelInverted;
- int lastButtons;
- Pixel colour,backColour;
- SelectionChangedHookPtr selChangedHook;
- enum { SELECTING, OK, CANCEL } state;
-} rfbSelectData;
-
-static const char okStr[] = "OK";
-static const char cancelStr[] = "Cancel";
-
-static void selPaintButtons(rfbSelectData* m,Bool invertOk,Bool invertCancel)
-{
- rfbScreenInfoPtr s = m->screen;
- Pixel bcolour = m->backColour;
- Pixel colour = m->colour;
-
- rfbFillRect(s,m->x1,m->okY-m->textH,m->x2,m->okY,bcolour);
-
- if(invertOk) {
- rfbFillRect(s,m->okBX,m->okY-m->textH,m->okBX+m->buttonWidth,m->okY,colour);
- rfbDrawStringWithClip(s,m->font,m->okX+m->xhot,m->okY-1+m->yhot,okStr,
- m->x1,m->okY-m->textH,m->x2,m->okY,
- bcolour,colour);
- } else
- rfbDrawString(s,m->font,m->okX+m->xhot,m->okY-1+m->yhot,okStr,colour);
-
- if(invertCancel) {
- rfbFillRect(s,m->cancelBX,m->okY-m->textH,
- m->cancelBX+m->buttonWidth,m->okY,colour);
- rfbDrawStringWithClip(s,m->font,m->cancelX+m->xhot,m->okY-1+m->yhot,
- cancelStr,m->x1,m->okY-m->textH,m->x2,m->okY,
- bcolour,colour);
- } else
- rfbDrawString(s,m->font,m->cancelX+m->xhot,m->okY-1+m->yhot,cancelStr,colour);
-
- m->okInverted = invertOk;
- m->cancelInverted = invertCancel;
-}
-
-/* line is relative to displayStart */
-static void selPaintLine(rfbSelectData* m,int line,Bool invert)
-{
- int y1 = m->y1+line*m->textH, y2 = y1+m->textH;
- if(y2>m->y2)
- y2=m->y2;
- rfbFillRect(m->screen,m->x1,y1,m->x2,y2,invert?m->colour:m->backColour);
- if(m->displayStart+line<m->listSize)
- rfbDrawStringWithClip(m->screen,m->font,m->x1+m->xhot,y2-1+m->yhot,
- m->list[m->displayStart+line],
- m->x1,y1,m->x2,y2,
- invert?m->backColour:m->colour,
- invert?m->backColour:m->colour);
-}
-
-static void selSelect(rfbSelectData* m,int _index)
-{
- int delta;
-
- if(_index==m->selected || _index<0 || _index>=m->listSize)
- return;
-
- if(m->selected>=0)
- selPaintLine(m,m->selected-m->displayStart,FALSE);
-
- if(_index<m->displayStart || _index>=m->displayStart+m->pageH) {
- /* targetLine is the screen line in which the selected line will
- be displayed.
- targetLine = m->pageH/2 doesn't look so nice */
- int targetLine = m->selected-m->displayStart;
- int lineStart,lineEnd;
-
- /* scroll */
- if(_index<targetLine)
- targetLine = _index;
- else if(_index+m->pageH-targetLine>=m->listSize)
- targetLine = _index+m->pageH-m->listSize;
- delta = _index-(m->displayStart+targetLine);
-
- if(delta>-m->pageH && delta<m->pageH) {
- if(delta>0) {
- lineStart = m->pageH-delta;
- lineEnd = m->pageH;
- rfbDoCopyRect(m->screen,m->x1,m->y1,m->x2,m->y1+lineStart*m->textH,
- 0,-delta*m->textH);
- } else {
- lineStart = 0;
- lineEnd = -delta;
- rfbDoCopyRect(m->screen,
- m->x1,m->y1+lineEnd*m->textH,m->x2,m->y2,
- 0,-delta*m->textH);
- }
- } else {
- lineStart = 0;
- lineEnd = m->pageH;
- }
- m->displayStart += delta;
- for(delta=lineStart;delta<lineEnd;delta++)
- if(delta!=_index)
- selPaintLine(m,delta,FALSE);
- }
-
- m->selected = _index;
- selPaintLine(m,m->selected-m->displayStart,TRUE);
-
- if(m->selChangedHook)
- m->selChangedHook(_index);
-
- /* todo: scrollbars */
-}
-
-static void selKbdAddEvent(Bool down,KeySym keySym,rfbClientPtr cl)
-{
- if(down) {
- if(keySym>' ' && keySym<0xff) {
- int i;
- rfbSelectData* m = (rfbSelectData*)cl->screen->screenData;
- char c = tolower(keySym);
-
- for(i=m->selected+1;m->list[i] && tolower(m->list[i][0])!=c;i++);
- if(!m->list[i])
- for(i=0;i<m->selected && tolower(m->list[i][0])!=c;i++);
- selSelect(m,i);
- } else if(keySym==XK_Escape) {
- rfbSelectData* m = (rfbSelectData*)cl->screen->screenData;
- m->state = CANCEL;
- } else if(keySym==XK_Return) {
- rfbSelectData* m = (rfbSelectData*)cl->screen->screenData;
- m->state = OK;
- } else {
- rfbSelectData* m = (rfbSelectData*)cl->screen->screenData;
- int curSel=m->selected;
- if(keySym==XK_Up) {
- if(curSel>0)
- selSelect(m,curSel-1);
- } else if(keySym==XK_Down) {
- if(curSel+1<m->listSize)
- selSelect(m,curSel+1);
- } else {
- if(keySym==XK_Page_Down) {
- if(curSel+m->pageH<m->listSize)
- selSelect(m,curSel+m->pageH);
- else
- selSelect(m,m->listSize-1);
- } else if(keySym==XK_Page_Up) {
- if(curSel-m->pageH>=0)
- selSelect(m,curSel-m->pageH);
- else
- selSelect(m,0);
- }
- }
- }
- }
-}
-
-static void selPtrAddEvent(int buttonMask,int x,int y,rfbClientPtr cl)
-{
- rfbSelectData* m = (rfbSelectData*)cl->screen->screenData;
- if(y<m->okY && y>=m->okY-m->textH) {
- if(x>=m->okBX && x<m->okBX+m->buttonWidth) {
- if(!m->okInverted)
- selPaintButtons(m,TRUE,FALSE);
- if(buttonMask)
- m->state = OK;
- } else if(x>=m->cancelBX && x<m->cancelBX+m->buttonWidth) {
- if(!m->cancelInverted)
- selPaintButtons(m,FALSE,TRUE);
- if(buttonMask)
- m->state = CANCEL;
- } else if(m->okInverted || m->cancelInverted)
- selPaintButtons(m,FALSE,FALSE);
- } else {
- if(m->okInverted || m->cancelInverted)
- selPaintButtons(m,FALSE,FALSE);
- if(!m->lastButtons && buttonMask) {
- if(x>=m->x1 && x<m->x2 && y>=m->y1 && y<m->y2)
- selSelect(m,m->displayStart+(y-m->y1)/m->textH);
- }
- }
- m->lastButtons = buttonMask;
-
- /* todo: scrollbars */
-}
-
-static rfbCursorPtr selGetCursorPtr(rfbClientPtr cl)
-{
- return(0);
-}
-
-int rfbSelectBox(rfbScreenInfoPtr rfbScreen,rfbFontDataPtr font,
- char** list,
- int x1,int y1,int x2,int y2,
- Pixel colour,Pixel backColour,
- int border,SelectionChangedHookPtr selChangedHook)
-{
- int bpp = rfbScreen->bitsPerPixel/8;
- char* frameBufferBackup;
- void* screenDataBackup = rfbScreen->screenData;
- KbdAddEventProcPtr kbdAddEventBackup = rfbScreen->kbdAddEvent;
- PtrAddEventProcPtr ptrAddEventBackup = rfbScreen->ptrAddEvent;
- GetCursorProcPtr getCursorPtrBackup = rfbScreen->getCursorPtr;
- DisplayHookPtr displayHookBackup = rfbScreen->displayHook;
- rfbSelectData selData;
- int i,j,k;
- int fx1,fy1,fx2,fy2; /* for font bbox */
-
- if(list==0 || *list==0)
- return(-1);
-
- rfbWholeFontBBox(font, &fx1, &fy1, &fx2, &fy2);
- selData.textH = fy2-fy1;
- /* I need at least one line for the choice and one for the buttons */
- if(y2-y1<selData.textH*2+3*border)
- return(-1);
- selData.xhot = -fx1;
- selData.yhot = -fy2;
- selData.x1 = x1+border;
- selData.y1 = y1+border;
- selData.y2 = y2-selData.textH-3*border;
- selData.x2 = x2-2*border;
- selData.pageH = (selData.y2-selData.y1)/selData.textH;
-
- i = rfbWidthOfString(font,okStr);
- j = rfbWidthOfString(font,cancelStr);
- selData.buttonWidth= k = 4*border+(i<j)?j:i;
- selData.okBX = x1+(x2-x1-2*k)/3;
- if(selData.okBX<x1+border) /* too narrow! */
- return(-1);
- selData.cancelBX = x1+k+(x2-x1-2*k)*2/3;
- selData.okX = selData.okBX+(k-i)/2;
- selData.cancelX = selData.cancelBX+(k-j)/2;
- selData.okY = y2-border;
-
- rfbUndrawCursor(rfbScreen);
- frameBufferBackup = (char*)malloc(bpp*(x2-x1)*(y2-y1));
-
- selData.state = SELECTING;
- selData.screen = rfbScreen;
- selData.font = font;
- selData.list = list;
- selData.colour = colour;
- selData.backColour = backColour;
- for(i=0;list[i];i++);
- selData.selected = i;
- selData.listSize = i;
- selData.displayStart = i;
- selData.lastButtons = 0;
- selData.selChangedHook = selChangedHook;
-
- rfbScreen->screenData = &selData;
- rfbScreen->kbdAddEvent = selKbdAddEvent;
- rfbScreen->ptrAddEvent = selPtrAddEvent;
- rfbScreen->getCursorPtr = selGetCursorPtr;
- rfbScreen->displayHook = 0;
-
- /* backup screen */
- for(j=0;j<y2-y1;j++)
- memcpy(frameBufferBackup+j*(x2-x1)*bpp,
- rfbScreen->frameBuffer+j*rfbScreen->paddedWidthInBytes+x1*bpp,
- (x2-x1)*bpp);
-
- /* paint list and buttons */
- rfbFillRect(rfbScreen,x1,y1,x2,y2,colour);
- selPaintButtons(&selData,FALSE,FALSE);
- selSelect(&selData,0);
-
- /* modal loop */
- while(selData.state == SELECTING)
- rfbProcessEvents(rfbScreen,20000);
-
- /* copy back screen data */
- for(j=0;j<y2-y1;j++)
- memcpy(rfbScreen->frameBuffer+j*rfbScreen->paddedWidthInBytes+x1*bpp,
- frameBufferBackup+j*(x2-x1)*bpp,
- (x2-x1)*bpp);
- free(frameBufferBackup);
- rfbMarkRectAsModified(rfbScreen,x1,y1,x2,y2);
- rfbScreen->screenData = screenDataBackup;
- rfbScreen->kbdAddEvent = kbdAddEventBackup;
- rfbScreen->ptrAddEvent = ptrAddEventBackup;
- rfbScreen->getCursorPtr = getCursorPtrBackup;
- rfbScreen->displayHook = displayHookBackup;
-
- if(selData.state==CANCEL)
- selData.selected=-1;
- return(selData.selected);
-}
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-11 19:28:59 +0000