From af9c9091ed69394171485aa4c4814504f86f2004 Mon Sep 17 00:00:00 2001 From: Bent Bisballe Nyeng Date: Mon, 23 Jan 2012 20:08:12 +0100 Subject: Simple image blit. New slider class. New filenamelineedit. New pixelbuffer used for drawing everything but the root window - with alpha blending... --- plugingui/window.cc | 409 +++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 404 insertions(+), 5 deletions(-) (limited to 'plugingui/window.cc') diff --git a/plugingui/window.cc b/plugingui/window.cc index db302a5..3c6a816 100644 --- a/plugingui/window.cc +++ b/plugingui/window.cc @@ -26,19 +26,418 @@ */ #include "window.h" -#include "globalcontext.h" -#include "widgetcontext.h" - #include "painter.h" -_Window::_Window(GlobalContext *gctx) : Widget(gctx, 0) +#include "img_back.h" + +#ifdef X11 +#include +#include +#endif/*X11*/ + +#include +#include + +#include + +GUI::Window *gwindow = NULL; + +#ifdef WIN32 +// Delared in eventhandler.cc +LRESULT CALLBACK dialogProc(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp); +#endif/*WIN32*/ + +GUI::Window::Window(GlobalContext *gctx) + : Widget(NULL), wpixbuf(640, 200) +{ + gwindow = this; + + this->gctx = gctx; + + _x = _y = 100; + _width = wpixbuf.width; + _height = wpixbuf.height; + + refcount = 0; + _keyboardFocus = this; + _buttonDownFocus = NULL; + +#ifdef X11 + buffer = NULL; + + // Get some colors + int blackColor = BlackPixel(gctx->display, DefaultScreen(gctx->display)); + + ::Window w = DefaultRootWindow(gctx->display); + + // Create the window + xwindow = XCreateSimpleWindow(gctx->display, + w, _x, _y, _width, _height, 0, + blackColor, blackColor); + + XSelectInput(gctx->display, xwindow, + StructureNotifyMask | + PointerMotionMask | + ButtonPressMask | + ButtonReleaseMask | + KeyPressMask | + KeyReleaseMask| + ExposureMask | + StructureNotifyMask | + SubstructureNotifyMask); + + // register interest in the delete window message + gctx->wmDeleteMessage = XInternAtom(gctx->display, "WM_DELETE_WINDOW", false); + XSetWMProtocols(gctx->display, xwindow, &gctx->wmDeleteMessage, 1); + + // "Map" the window (that is, make it appear on the screen) + XMapWindow(gctx->display, xwindow); + + // Create a "Graphics Context" + gc = XCreateGC(gctx->display, xwindow, 0, NULL); +#endif/*X11*/ + +#ifdef WIN32 + WNDCLASSEX wcex; + WNDID wndId; + + gctx->m_hwnd = 0; + gctx->m_className = NULL; + + memset(&wcex, 0, sizeof(wcex)); + + //Time to register a window class. + //Generic flags and everything. cbWndExtra is the size of a pointer to an + // object - we need this in the wndproc handler. + + wcex.cbSize = sizeof(WNDCLASSEX); + wcex.style = 0;//class_style; + wcex.lpfnWndProc = (WNDPROC)dialogProc; + wcex.hCursor = LoadCursor(NULL, IDC_ARROW); + // Set data: + wcex.cbWndExtra = sizeof(EventHandler*); // Size of data. + wcex.hInstance = GetModuleHandle(NULL); + + // if(ex_style && WS_EX_TRANSPARENT == WS_EX_TRANSPARENT) { + // wcex.hbrBackground = NULL; + // } else { + wcex.hbrBackground = NULL;//(HBRUSH) COLOR_BACKGROUND + 1; + // } + + wcex.lpszClassName = gctx->m_className = strdup("DrumGizmoClass"); + + RegisterClassEx(&wcex); + + /* + if(parent) { + style = style | WS_CHILD; + wndId = parent->getWndId(); + } else { + */ + //style = style | WS_OVERLAPPEDWINDOW; + wndId = 0; + // } + + gctx->m_hwnd = CreateWindowEx(NULL/*ex_style*/, gctx->m_className, + "DGBasisWidget", + (WS_OVERLAPPEDWINDOW | WS_VISIBLE), + _x, _y, _width, _height, wndId, NULL, + GetModuleHandle(NULL), NULL); + + SetWindowLong(gctx->m_hwnd, GWL_USERDATA, (LONG)gctx->eventhandler); +#endif/*WIN32*/ +} + +GUI::Window::~Window() +{ +#ifdef X11 + XDestroyWindow(gctx->display, xwindow); + //gctx->widgets.erase(window); +#endif/*X11*/ + +#ifdef WIN32 + UnregisterClass(gctx->m_className, GetModuleHandle(NULL)); + free(gctx->m_className); +#endif/*WIN32*/ +} + +void GUI::Window::repaintEvent(GUI::RepaintEvent *e) +{ + Painter p(this); + p.drawImage(0, 0, (struct __img__*)&img_back); +} + +void GUI::Window::resize(size_t width, size_t height) +{ + // printf("Window::resize(%d, %d)\n", width, height); + +#ifdef X11 + XResizeWindow(gctx->display, xwindow, width, height); +#endif/*X11*/ + +#ifdef WIN32 + SetWindowPos(gctx->m_hwnd, NULL, -1, -1, (int)width, (int)height + 27, + SWP_NOMOVE); +#endif/*WIN32*/ + + Widget::resize(width, height); +} + +void GUI::Window::move(size_t x, size_t y) +{ +#ifdef X11 + XMoveWindow(gctx->display, xwindow, x, y); +#endif/*X11*/ + +#ifdef WIN32 + SetWindowPos(gctx->m_hwnd, NULL, (int)x, (int)y, -1, -1, SWP_NOSIZE); +#endif/*WIN32*/ + + // Make sure widget corrds are updated. + Widget::move(x, y); +} + +size_t GUI::Window::x() { return _x; } +size_t GUI::Window::y() { return _y; } +size_t GUI::Window::width() { return _width; } +size_t GUI::Window::height() { return _height; } + +void GUI::Window::show() { + repaint_r(NULL); +#ifdef X11 + XMapWindow(gctx->display, xwindow); +#endif/*X11*/ + +#ifdef WIN32 + ShowWindow(gctx->m_hwnd, SW_SHOW); +#endif/*WIN32*/ } -void _Window::repaint(RepaintEvent *e) +void GUI::Window::hide() { +#ifdef X11 + XUnmapWindow(gctx->display, xwindow); +#endif/*X11*/ + +#ifdef WIN32 + ShowWindow(gctx->m_hwnd, SW_HIDE); +#endif/*WIN32*/ } +GUI::Window *GUI::Window::window() +{ + return this; +} + +void GUI::Window::beginPaint() +{ + refcount++; + // printf("beginPaint(%d)\n", refcount); +} + +void GUI::Window::endPaint() +{ + // printf("endPaint(%d)\n", refcount); + if(refcount) refcount--; + + if(!refcount) { + updateBuffer(); +#ifdef X11 + //XSendEvent(gctx->display, window, false, ExposureMask, event_send) +#endif/*X11*/ + redraw(); + } +} + +#ifdef X11 +static int get_byte_order (void) +{ + union { + char c[sizeof(short)]; + short s; + } order; + + order.s = 1; + if ((1 == order.c[0])) { + return LSBFirst; + } else { + return MSBFirst; + } +} + +static XImage *create_image_from_buffer(Display *dis, int screen, + unsigned char *buf, + int width, int height) +{ + int depth; + XImage *img = NULL; + Visual *vis; + double rRatio; + double gRatio; + double bRatio; + int outIndex = 0; + int i; + int numBufBytes = (3 * (width * height)); + + depth = DefaultDepth(dis, screen); + vis = DefaultVisual(dis, screen); + + rRatio = vis->red_mask / 255.0; + gRatio = vis->green_mask / 255.0; + bRatio = vis->blue_mask / 255.0; + + if (depth >= 24) { + size_t numNewBufBytes = (4 * (width * height)); + u_int32_t *newBuf = (u_int32_t *)malloc (numNewBufBytes); + + for (i = 0; i < numBufBytes; ++i) { + unsigned int r, g, b; + r = (buf[i] * rRatio); + ++i; + g = (buf[i] * gRatio); + ++i; + b = (buf[i] * bRatio); + + r &= vis->red_mask; + g &= vis->green_mask; + b &= vis->blue_mask; + + newBuf[outIndex] = r | g | b; + ++outIndex; + } + + img = XCreateImage (dis, + CopyFromParent, depth, + ZPixmap, 0, + (char *) newBuf, + width, height, + 32, 0 + ); + + } else if (depth >= 15) { + size_t numNewBufBytes = (2 * (width * height)); + u_int16_t *newBuf = (u_int16_t *)malloc (numNewBufBytes); + + for (i = 0; i < numBufBytes; ++i) { + unsigned int r, g, b; + + r = (buf[i] * rRatio); + ++i; + g = (buf[i] * gRatio); + ++i; + b = (buf[i] * bRatio); + + r &= vis->red_mask; + g &= vis->green_mask; + b &= vis->blue_mask; + + newBuf[outIndex] = r | g | b; + ++outIndex; + } + + img = XCreateImage(dis, CopyFromParent, depth, ZPixmap, 0, (char *) newBuf, + width, height, 16, 0); + } else { + //fprintf (stderr, "This program does not support displays with a depth less than 15."); + return NULL; + } + + XInitImage (img); + /*Set the client's byte order, so that XPutImage knows what to do with the data.*/ + /*The default in a new X image is the server's format, which may not be what we want.*/ + if ((LSBFirst == get_byte_order ())) { + img->byte_order = LSBFirst; + } else { + img->byte_order = MSBFirst; + } + + /*The bitmap_bit_order doesn't matter with ZPixmap images.*/ + img->bitmap_bit_order = MSBFirst; + + return img; +} +#endif/*X11*/ + +void GUI::Window::updateBuffer() +{ + // printf("updateBuffer w:%d h:%d\n", width(), height()); + + memset(wpixbuf.buf, 0, wpixbuf.width * wpixbuf.height * 3); + + std::vector pl = getPixelBuffers(); + std::vector::iterator pli = pl.begin(); + while(pli != pl.end()) { + PixelBufferAlpha *pb = *pli; + // printf("Buffer idx %d (%d %d) [%d %d]\n", pb->idx, pb->x, pb->y, + // pb->width, pb->height); + for(size_t x = 0; x < pb->width; x++) { + for(size_t y = 0; y < pb->height; y++) { + unsigned char r,g,b,a; + pb->pixel(x,y,&r,&g,&b,&a); + wpixbuf.setPixel(x + pb->x, y + pb->y, r, g, b, a); + } + } + pli++; + } + +#ifdef X11 + if(buffer) XDestroyImage(buffer); + buffer = + create_image_from_buffer(gctx->display, DefaultScreen(gctx->display), + wpixbuf.buf, wpixbuf.width, wpixbuf.height); +#endif/*X11*/ +} + +void GUI::Window::resized(size_t w, size_t h) +{ + _width = w; + _height = h; + wpixbuf.realloc(w, h); + updateBuffer(); + + pixbuf.realloc(w, h); + repaintEvent(NULL); +} + +void GUI::Window::redraw() +{ +#ifdef X11 + // http://stackoverflow.com/questions/6384987/load-image-onto-a-window-using-xlib + if(buffer == NULL) updateBuffer(); + XPutImage(gctx->display, xwindow, gc, buffer, 0, 0, 0, 0, width(), height()); + XFlush(gctx->display); +#endif/*X11*/ + +#ifdef WIN32 + RedrawWindow(gctx->m_hwnd, NULL, NULL, RDW_ERASE|RDW_INVALIDATE); + UpdateWindow(gctx->m_hwnd); +#endif/*WIN32*/ +} + +GUI::Widget *GUI::Window::keyboardFocus() +{ + return _keyboardFocus; +} + +void GUI::Window::setKeyboardFocus(GUI::Widget *widget) +{ + _keyboardFocus = widget; + repaint_r(NULL); +} + +GUI::Widget *GUI::Window::buttonDownFocus() +{ + return _buttonDownFocus; +} + +void GUI::Window::setButtonDownFocus(GUI::Widget *widget) +{ + _buttonDownFocus = widget; + // repaint_r(NULL); +} + + #ifdef TEST_WINDOW //Additional dependency files //deps: -- cgit v1.2.3