diff options
| author | Henrik Rydberg <rydberg@euromail.se> | 2010-12-30 20:51:35 +0100 |
|---|---|---|
| committer | Henrik Rydberg <rydberg@euromail.se> | 2011-01-02 09:18:44 +0100 |
| commit | 41197333c6779832bd718fa55ed1b17d97e02304 (patch) | |
| tree | b907e56978a81305e838e52be366c95f11dcf549 /src/mtview.c | |
| parent | 4b0f0873f91f7f37106fa39c6b8b5fa74f6a3dcc (diff) | |
Switch to autotools
To simplify the creation of packages for mtview, swtich to using the
autoconf make tools.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Diffstat (limited to 'src/mtview.c')
| -rw-r--r-- | src/mtview.c | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/src/mtview.c b/src/mtview.c deleted file mode 100644 index ea6730c..0000000 --- a/src/mtview.c +++ /dev/null | |||
| @@ -1,222 +0,0 @@ | |||
| 1 | #include <X11/Xlib.h> | ||
| 2 | #include <stdio.h> | ||
| 3 | #include <fcntl.h> | ||
| 4 | #include <utouch/frame-mtdev.h> | ||
| 5 | #include <string.h> | ||
| 6 | #include <math.h> | ||
| 7 | |||
| 8 | #define XMARG 16 | ||
| 9 | #define YMARG 16 | ||
| 10 | #define DEF_FRAC 0.15 | ||
| 11 | #define DEF_WIDTH 0.05 | ||
| 12 | |||
| 13 | #define DIM_TOUCH 32 | ||
| 14 | |||
| 15 | struct windata { | ||
| 16 | Display *dsp; | ||
| 17 | Window root, win; | ||
| 18 | GC gc; | ||
| 19 | int screen, width, height; | ||
| 20 | unsigned long white, black; | ||
| 21 | unsigned long color[DIM_TOUCH]; | ||
| 22 | int id[DIM_TOUCH]; | ||
| 23 | }; | ||
| 24 | |||
| 25 | static inline float max(float a, float b) | ||
| 26 | { | ||
| 27 | return b > a ? b : a; | ||
| 28 | } | ||
| 29 | |||
| 30 | static unsigned long new_color(struct windata *w) | ||
| 31 | { | ||
| 32 | return lrand48() & 0xffffff; | ||
| 33 | } | ||
| 34 | |||
| 35 | static void clear_screen(struct windata *w) | ||
| 36 | { | ||
| 37 | XSetForeground(w->dsp, w->gc, w->black); | ||
| 38 | XFillRectangle(w->dsp, w->win, w->gc, 0, 0, w->width, w->height); | ||
| 39 | } | ||
| 40 | |||
| 41 | static void output_touch(utouch_frame_handle fh, struct windata *w, | ||
| 42 | const struct utouch_contact *t) | ||
| 43 | { | ||
| 44 | const struct utouch_surface *s = utouch_frame_get_surface(fh); | ||
| 45 | |||
| 46 | float x1 = s->min_x, y1 = s->min_y; | ||
| 47 | float x2 = s->max_x, y2 = s->max_y; | ||
| 48 | float dx = x2 - x1, dy = y2 - y1; | ||
| 49 | float major = 0, minor = 0, angle = 0; | ||
| 50 | |||
| 51 | if (s->use_pressure) { | ||
| 52 | float p = DEF_FRAC / s->max_pressure; | ||
| 53 | major = t->pressure * p * dx; | ||
| 54 | minor = t->pressure * p * dx; | ||
| 55 | angle = 0; | ||
| 56 | } | ||
| 57 | if (s->use_touch_major) { | ||
| 58 | major = t->touch_major; | ||
| 59 | minor = t->touch_minor; | ||
| 60 | angle = t->orientation; | ||
| 61 | } | ||
| 62 | if (major == 0 && minor == 0) { | ||
| 63 | major = DEF_WIDTH * dy; | ||
| 64 | minor = DEF_WIDTH * dx; | ||
| 65 | } | ||
| 66 | |||
| 67 | float ac = fabs(cos(angle)); | ||
| 68 | float as = fabs(sin(angle)); | ||
| 69 | float mx = max(minor * ac, major * as); | ||
| 70 | float my = max(major * ac, minor * as); | ||
| 71 | float ux = t->x - 0.5 * mx; | ||
| 72 | float uy = t->y - 0.5 * my; | ||
| 73 | float vx = t->x + 0.5 * mx; | ||
| 74 | float vy = t->y + 0.5 * my; | ||
| 75 | |||
| 76 | float px = (ux - x1) / dx * w->width; | ||
| 77 | float py = (uy - y1) / dy * w->height; | ||
| 78 | float qx = (vx - x1) / dx * w->width; | ||
| 79 | float qy = (vy - y1) / dy * w->height; | ||
| 80 | |||
| 81 | if (w->id[t->slot] != t->id) { | ||
| 82 | w->id[t->slot] = t->id; | ||
| 83 | w->color[t->slot] = new_color(w); | ||
| 84 | } | ||
| 85 | |||
| 86 | XSetForeground(w->dsp, w->gc, w->color[t->slot]); | ||
| 87 | XFillArc(w->dsp, w->win, w->gc, px, py, qx - px, qy - py, 0, 360 * 64); | ||
| 88 | XFlush(w->dsp); | ||
| 89 | } | ||
| 90 | |||
| 91 | static void report_frame(utouch_frame_handle fh, | ||
| 92 | const struct utouch_frame *frame, | ||
| 93 | struct windata *w) | ||
| 94 | { | ||
| 95 | int i; | ||
| 96 | |||
| 97 | for (i = 0; i < frame->num_active; i++) | ||
| 98 | output_touch(fh, w, frame->active[i]); | ||
| 99 | } | ||
| 100 | |||
| 101 | static void event_loop(utouch_frame_handle fh, | ||
| 102 | struct mtdev *dev, int fd, | ||
| 103 | struct windata *w) | ||
| 104 | { | ||
| 105 | const struct utouch_frame *frame; | ||
| 106 | struct input_event iev; | ||
| 107 | XEvent xev; | ||
| 108 | |||
| 109 | XSelectInput(w->dsp, w->win, | ||
| 110 | ButtonPressMask | ButtonReleaseMask | | ||
| 111 | ExposureMask | StructureNotifyMask); | ||
| 112 | |||
| 113 | clear_screen(w); | ||
| 114 | while (1) { | ||
| 115 | while (!mtdev_idle(dev, fd, 100)) { | ||
| 116 | while (mtdev_get(dev, fd, &iev, 1) > 0) { | ||
| 117 | frame = utouch_frame_pump_mtdev(fh, &iev); | ||
| 118 | if (frame) | ||
| 119 | report_frame(fh, frame, w); | ||
| 120 | } | ||
| 121 | } | ||
| 122 | while (XPending(w->dsp)) { | ||
| 123 | XNextEvent(w->dsp, &xev); | ||
| 124 | } | ||
| 125 | } | ||
| 126 | } | ||
| 127 | |||
| 128 | static void run_window(utouch_frame_handle fh, struct mtdev *dev, int fd) | ||
| 129 | { | ||
| 130 | struct windata w; | ||
| 131 | int i; | ||
| 132 | memset(&w, 0, sizeof(w)); | ||
| 133 | for (i = 0; i < DIM_TOUCH; i++) | ||
| 134 | w.id[i] = -1; | ||
| 135 | |||
| 136 | w.dsp = XOpenDisplay(NULL); | ||
| 137 | if (!w.dsp) | ||
| 138 | return; | ||
| 139 | |||
| 140 | w.screen = DefaultScreen(w.dsp); | ||
| 141 | w.white = WhitePixel(w.dsp, w.screen); | ||
| 142 | w.black = BlackPixel(w.dsp, w.screen); | ||
| 143 | w.width = DisplayWidth(w.dsp, w.screen) - XMARG; | ||
| 144 | w.height = DisplayHeight(w.dsp, w.screen) - YMARG; | ||
| 145 | |||
| 146 | w.root = DefaultRootWindow(w.dsp); | ||
| 147 | w.win = XCreateSimpleWindow(w.dsp, w.root, | ||
| 148 | 0, 0, w.width, w.height, | ||
| 149 | 0, w.black, w.white); | ||
| 150 | |||
| 151 | XMapWindow(w.dsp, w.win); | ||
| 152 | |||
| 153 | long eventMask = StructureNotifyMask; | ||
| 154 | XSelectInput(w.dsp, w.win, eventMask); | ||
| 155 | |||
| 156 | XEvent ev; | ||
| 157 | do { | ||
| 158 | XNextEvent(w.dsp, &ev); | ||
| 159 | } while (ev.type != MapNotify); | ||
| 160 | |||
| 161 | |||
| 162 | w.gc = XCreateGC(w.dsp, w.win, 0, NULL); | ||
| 163 | |||
| 164 | event_loop(fh, dev, fd, &w); | ||
| 165 | |||
| 166 | XDestroyWindow(w.dsp, w.win); | ||
| 167 | XCloseDisplay(w.dsp); | ||
| 168 | } | ||
| 169 | |||
| 170 | int main(int argc, char *argv[]) | ||
| 171 | { | ||
| 172 | struct evemu_device *evemu; | ||
| 173 | struct mtdev *mtdev; | ||
| 174 | utouch_frame_handle fh; | ||
| 175 | int fd; | ||
| 176 | |||
| 177 | if (argc < 2) { | ||
| 178 | fprintf(stderr, "Usage: %s <device>\n", argv[0]); | ||
| 179 | return -1; | ||
| 180 | } | ||
| 181 | |||
| 182 | fd = open(argv[1], O_RDONLY | O_NONBLOCK); | ||
| 183 | if (fd < 0) { | ||
| 184 | fprintf(stderr, "error: could not open device\n"); | ||
| 185 | return -1; | ||
| 186 | } | ||
| 187 | if (ioctl(fd, EVIOCGRAB, 1)) { | ||
| 188 | fprintf(stderr, "error: could not grab the device\n"); | ||
| 189 | return -1; | ||
| 190 | } | ||
| 191 | |||
| 192 | evemu = evemu_new(0); | ||
| 193 | if (!evemu || evemu_extract(evemu, fd)) { | ||
| 194 | fprintf(stderr, "error: could not describe device\n"); | ||
| 195 | return -1; | ||
| 196 | } | ||
| 197 | if (!utouch_frame_is_supported_mtdev(evemu)) { | ||
| 198 | fprintf(stderr, "error: unsupported device\n"); | ||
| 199 | return -1; | ||
| 200 | } | ||
| 201 | mtdev = mtdev_new_open(fd); | ||
| 202 | if (!mtdev) { | ||
| 203 | fprintf(stderr, "error: could not open mtdev\n"); | ||
| 204 | return -1; | ||
| 205 | } | ||
| 206 | fh = utouch_frame_new_engine(100, 32, 100); | ||
| 207 | if (!fh || utouch_frame_init_mtdev(fh, evemu)) { | ||
| 208 | fprintf(stderr, "error: could not init frame\n"); | ||
| 209 | return -1; | ||
| 210 | } | ||
| 211 | |||
| 212 | run_window(fh, mtdev, fd); | ||
| 213 | |||
| 214 | utouch_frame_delete_engine(fh); | ||
| 215 | mtdev_close_delete(mtdev); | ||
| 216 | evemu_delete(evemu); | ||
| 217 | |||
| 218 | ioctl(fd, EVIOCGRAB, 0); | ||
| 219 | close(fd); | ||
| 220 | |||
| 221 | return 0; | ||
| 222 | } | ||
