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@ -31,6 +31,7 @@ |
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#include <cairo.h> |
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#include <glib.h> |
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#include <glib-object.h> |
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#include <gdk-pixbuf/gdk-pixbuf.h> |
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#include <xf86drm.h> |
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#define EGL_EGLEXT_PROTOTYPES 1 |
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@ -69,6 +70,8 @@ struct display { |
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char *device_name; |
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cairo_surface_t *active_frame, *inactive_frame, *shadow; |
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struct xkb_desc *xkb; |
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EGLImageKHR *pointer_images; |
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struct wl_buffer **pointer_buffers; |
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}; |
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struct window { |
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@ -124,6 +127,100 @@ rounded_rect(cairo_t *cr, int x0, int y0, int x1, int y1, int radius) |
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cairo_close_path(cr); |
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} |
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static int |
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texture_from_png(const char *filename, int width, int height) |
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{ |
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GdkPixbuf *pixbuf; |
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GError *error = NULL; |
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void *data; |
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GLenum format; |
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pixbuf = gdk_pixbuf_new_from_file_at_scale(filename, |
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width, height, |
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FALSE, &error); |
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if (error != NULL) |
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return -1; |
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data = gdk_pixbuf_get_pixels(pixbuf); |
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if (gdk_pixbuf_get_has_alpha(pixbuf)) |
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format = GL_RGBA; |
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else |
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format = GL_RGB; |
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, |
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width, height, 0, format, GL_UNSIGNED_BYTE, data); |
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gdk_pixbuf_unref(pixbuf); |
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return 0; |
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} |
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static const struct { |
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const char *filename; |
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int hotspot_x, hotspot_y; |
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} pointer_images[] = { |
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{ DATADIR "/wayland/bottom_left_corner.png", 6, 30 }, |
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{ DATADIR "/wayland/bottom_right_corner.png", 28, 28 }, |
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{ DATADIR "/wayland/bottom_side.png", 16, 20 }, |
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{ DATADIR "/wayland/grabbing.png", 20, 17 }, |
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{ DATADIR "/wayland/left_ptr.png", 10, 5 }, |
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{ DATADIR "/wayland/left_side.png", 10, 20 }, |
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{ DATADIR "/wayland/right_side.png", 30, 19 }, |
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{ DATADIR "/wayland/top_left_corner.png", 8, 8 }, |
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{ DATADIR "/wayland/top_right_corner.png", 26, 8 }, |
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{ DATADIR "/wayland/top_side.png", 18, 8 }, |
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{ DATADIR "/wayland/xterm.png", 15, 15 } |
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}; |
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static void |
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create_pointer_images(struct display *d) |
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{ |
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int i, count; |
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GLuint texture; |
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const int width = 32, height = 32; |
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EGLint name, stride; |
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struct wl_visual *visual; |
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EGLint image_attribs[] = { |
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EGL_WIDTH, 0, |
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EGL_HEIGHT, 0, |
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EGL_IMAGE_FORMAT_MESA, EGL_IMAGE_FORMAT_ARGB8888_MESA, |
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EGL_IMAGE_USE_MESA, EGL_IMAGE_USE_SCANOUT_MESA, |
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EGL_NONE |
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}; |
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glGenTextures(1, &texture); |
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glBindTexture(GL_TEXTURE_2D, texture); |
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); |
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); |
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); |
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
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visual = wl_display_get_argb_visual(d->display); |
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image_attribs[1] = width; |
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image_attribs[3] = height; |
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count = ARRAY_LENGTH(pointer_images); |
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d->pointer_images = malloc(count * sizeof *d->pointer_images); |
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d->pointer_buffers = malloc(count * sizeof *d->pointer_buffers); |
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for (i = 0; i < count; i++) { |
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d->pointer_images[i] = |
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eglCreateDRMImageMESA(d->dpy, image_attribs); |
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glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, |
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d->pointer_images[i]); |
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eglExportDRMImageMESA(d->dpy, |
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d->pointer_images[i], |
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&name, NULL, &stride); |
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texture_from_png(pointer_images[i].filename, width, height); |
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d->pointer_buffers[i] = |
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wl_drm_create_buffer(d->drm, name, |
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width, height, stride, visual); |
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} |
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} |
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static const cairo_user_data_key_t surface_data_key; |
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struct surface_data { |
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EGLImageKHR image; |
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@ -315,6 +412,100 @@ enum window_state { |
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WINDOW_STABLE = 16, |
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}; |
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enum pointer_type { |
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POINTER_BOTTOM_LEFT, |
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POINTER_BOTTOM_RIGHT, |
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POINTER_BOTTOM, |
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POINTER_DRAGGING, |
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POINTER_LEFT_PTR, |
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POINTER_LEFT, |
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POINTER_RIGHT, |
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POINTER_TOP_LEFT, |
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POINTER_TOP_RIGHT, |
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POINTER_TOP, |
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POINTER_IBEAM, |
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}; |
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static int |
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get_pointer_location(struct window *window, int32_t x, int32_t y) |
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{ |
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int vlocation, hlocation; |
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const int grip_size = 8; |
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if (x < window->margin) |
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hlocation = WINDOW_STABLE; |
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else if (window->margin <= x && x < window->margin + grip_size) |
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hlocation = WINDOW_RESIZING_LEFT; |
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else if (x < window->allocation.width - window->margin - grip_size) |
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hlocation = WINDOW_MOVING; |
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else if (x < window->allocation.width - window->margin) |
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hlocation = WINDOW_RESIZING_RIGHT; |
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else |
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hlocation = WINDOW_STABLE; |
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if (y < window->margin) |
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vlocation = WINDOW_STABLE; |
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else if (window->margin <= y && y < window->margin + grip_size) |
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vlocation = WINDOW_RESIZING_TOP; |
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else if (y < window->allocation.height - window->margin - grip_size) |
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vlocation = WINDOW_MOVING; |
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else if (y < window->allocation.height - window->margin) |
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vlocation = WINDOW_RESIZING_BOTTOM; |
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else |
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vlocation = WINDOW_STABLE; |
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return vlocation | hlocation; |
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} |
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static void |
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set_pointer_image(struct input *input) |
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{ |
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struct display *display = input->display; |
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int pointer, location; |
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location = get_pointer_location(input->pointer_focus, |
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input->sx, input->sy); |
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switch (location) { |
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case WINDOW_RESIZING_TOP: |
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pointer = POINTER_TOP; |
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break; |
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case WINDOW_RESIZING_BOTTOM: |
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pointer = POINTER_BOTTOM; |
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break; |
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case WINDOW_RESIZING_LEFT: |
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pointer = POINTER_LEFT; |
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break; |
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case WINDOW_RESIZING_RIGHT: |
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pointer = POINTER_RIGHT; |
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break; |
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case WINDOW_RESIZING_TOP_LEFT: |
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pointer = POINTER_TOP_LEFT; |
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break; |
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case WINDOW_RESIZING_TOP_RIGHT: |
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pointer = POINTER_TOP_RIGHT; |
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break; |
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case WINDOW_RESIZING_BOTTOM_LEFT: |
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pointer = POINTER_BOTTOM_LEFT; |
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break; |
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case WINDOW_RESIZING_BOTTOM_RIGHT: |
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pointer = POINTER_BOTTOM_RIGHT; |
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break; |
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case WINDOW_STABLE: |
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wl_input_device_attach(input->input_device, |
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NULL, 0, 0); |
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return; |
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default: |
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/* FIXME: We should ask the application here. */ |
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pointer = POINTER_IBEAM; |
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break; |
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} |
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wl_input_device_attach(input->input_device, |
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display->pointer_buffers[pointer], |
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pointer_images[pointer].hotspot_x, |
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pointer_images[pointer].hotspot_y); |
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} |
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static void |
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window_handle_motion(void *data, struct wl_input_device *input_device, |
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uint32_t time, |
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@ -326,6 +517,8 @@ window_handle_motion(void *data, struct wl_input_device *input_device, |
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input->y = y; |
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input->sx = sx; |
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input->sy = sy; |
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set_pointer_image(input); |
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} |
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static void window_handle_button(void *data, struct wl_input_device *input_device, |
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@ -333,28 +526,12 @@ static void window_handle_button(void *data, struct wl_input_device *input_devic |
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{ |
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struct input *input = data; |
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struct window *window = input->pointer_focus; |
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int grip_size = 8, vlocation, hlocation; |
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int location; |
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if (window->margin <= input->sx && input->sx < window->margin + grip_size) |
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hlocation = WINDOW_RESIZING_LEFT; |
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else if (input->sx < window->allocation.width - window->margin - grip_size) |
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hlocation = WINDOW_MOVING; |
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else if (input->sx < window->allocation.width - window->margin) |
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hlocation = WINDOW_RESIZING_RIGHT; |
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else |
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hlocation = WINDOW_STABLE; |
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if (window->margin <= input->sy && input->sy < window->margin + grip_size) |
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vlocation = WINDOW_RESIZING_TOP; |
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else if (input->sy < window->allocation.height - window->margin - grip_size) |
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vlocation = WINDOW_MOVING; |
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else if (input->sy < window->allocation.height - window->margin) |
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vlocation = WINDOW_RESIZING_BOTTOM; |
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else |
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vlocation = WINDOW_STABLE; |
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location = get_pointer_location(window, input->sx, input->sy); |
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if (button == BTN_LEFT && state == 1) { |
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switch (hlocation | vlocation) { |
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switch (location) { |
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case WINDOW_MOVING: |
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wl_shell_move(window->display->shell, |
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window->surface, input_device, time); |
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@ -369,7 +546,7 @@ static void window_handle_button(void *data, struct wl_input_device *input_devic |
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case WINDOW_RESIZING_BOTTOM_RIGHT: |
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wl_shell_resize(window->display->shell, |
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window->surface, input_device, time, |
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hlocation | vlocation); |
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location); |
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break; |
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} |
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} |
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@ -413,10 +590,12 @@ window_handle_pointer_focus(void *data, |
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{ |
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struct input *input = data; |
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if (surface) |
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if (surface) { |
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input->pointer_focus = wl_surface_get_user_data(surface); |
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else |
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set_pointer_image(input); |
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} else { |
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input->pointer_focus = NULL; |
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} |
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} |
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static void |
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@ -945,6 +1124,8 @@ display_create(int *argc, char **argv[], const GOptionEntry *option_entries) |
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return NULL; |
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} |
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create_pointer_images(d); |
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display_render_frame(d); |
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d->loop = g_main_loop_new(NULL, FALSE); |
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