157 lines
3.4 KiB
C
157 lines
3.4 KiB
C
/**
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* RdTk: Remote Desktop Toolkit
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*
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* Copyright 2014 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <freerdp/log.h>
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#include <rdtk/rdtk.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#define TAG "rdtk.sample"
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int main(int argc, char** argv)
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{
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GC gc;
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int index;
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int depth;
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int x, y;
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int width;
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int height;
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BYTE* buffer;
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int scanline;
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int pf_count;
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XEvent event;
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XImage* image;
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Pixmap pixmap;
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Screen* screen;
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Visual* visual;
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int scanline_pad;
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int screen_number;
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Display* display;
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Window window;
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Window root_window;
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rdtkEngine* engine;
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rdtkSurface* surface;
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unsigned long border;
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unsigned long background;
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XPixmapFormatValues* pf;
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XPixmapFormatValues* pfs;
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display = XOpenDisplay(NULL);
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if (!display)
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{
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WLog_ERR(TAG, "Cannot open display");
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return winpr_exit(1);
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}
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x = 10;
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y = 10;
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width = 640;
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height = 480;
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screen_number = DefaultScreen(display);
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screen = ScreenOfDisplay(display, screen_number);
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visual = DefaultVisual(display, screen_number);
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gc = DefaultGC(display, screen_number);
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depth = DefaultDepthOfScreen(screen);
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root_window = RootWindow(display, screen_number);
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border = BlackPixel(display, screen_number);
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background = WhitePixel(display, screen_number);
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scanline_pad = 0;
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pfs = XListPixmapFormats(display, &pf_count);
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for (index = 0; index < pf_count; index++)
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{
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pf = &pfs[index];
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if (pf->depth == depth)
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{
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scanline_pad = pf->scanline_pad;
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break;
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}
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}
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XFree(pfs);
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engine = rdtk_engine_new();
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if (!engine)
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return winpr_exit(1);
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scanline = width * 4;
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buffer = (BYTE*) calloc(height, scanline);
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if (!buffer)
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return winpr_exit(1);
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surface = rdtk_surface_new(engine, buffer, width, height, scanline);
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rdtk_surface_fill(surface, 0, 0, width, height, 0x3BB9FF);
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rdtk_label_draw(surface, 16, 16, 128, 32, NULL, "label", 0, 0);
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rdtk_button_draw(surface, 16, 64, 128, 32, NULL, "button");
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rdtk_text_field_draw(surface, 16, 128, 128, 32, NULL, "text field");
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window = XCreateSimpleWindow(display, root_window,
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x, y, width, height, 1, border, background);
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XSelectInput(display, window, ExposureMask | KeyPressMask);
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XMapWindow(display, window);
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XSetFunction(display, gc, GXcopy);
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XSetFillStyle(display, gc, FillSolid);
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pixmap = XCreatePixmap(display, window, width, height, depth);
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image = XCreateImage(display, visual, depth, ZPixmap, 0,
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(char*) buffer, width, height, scanline_pad, 0);
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while (1)
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{
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XNextEvent(display, &event);
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if (event.type == Expose)
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{
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XPutImage(display, pixmap, gc, image, 0, 0, 0, 0, width, height);
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XCopyArea(display, pixmap, window, gc, 0, 0, width, height, 0, 0);
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}
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if (event.type == KeyPress)
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break;
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if (event.type == ClientMessage)
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break;
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}
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XFlush(display);
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XDestroyImage(image);
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XCloseDisplay(display);
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rdtk_surface_free(surface);
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free(buffer);
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rdtk_engine_free(engine);
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return winpr_exit(0);
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}
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