diff options
Diffstat (limited to 'converter/other/fiasco/buttons.c')
| -rw-r--r-- | converter/other/fiasco/buttons.c | 510 |
1 files changed, 510 insertions, 0 deletions
diff --git a/converter/other/fiasco/buttons.c b/converter/other/fiasco/buttons.c new file mode 100644 index 00000000..82ed18cd --- /dev/null +++ b/converter/other/fiasco/buttons.c @@ -0,0 +1,510 @@ +/* + * buttons.c: Draw MWFA player buttons in X11 window + * + * Written by: Ullrich Hafner + * + * This file is part of FIASCO («F»ractal «I»mage «A»nd «S»equence «CO»dec) + * Copyright (C) 1994-2000 Ullrich Hafner <hafner@bigfoot.de> + */ + +/* + * $Date: 2000/06/15 17:23:11 $ + * $Author: hafner $ + * $Revision: 5.2 $ + * $State: Exp $ + */ + +#include "config.h" + +#ifndef X_DISPLAY_MISSING + +#include <X11/Xlib.h> +#include <X11/Intrinsic.h> +#include <X11/StringDefs.h> + +#if STDC_HEADERS +# include <stdlib.h> +#endif /* not STDC_HEADERS */ + +#include "types.h" +#include "macros.h" + +#include "display.h" +#include "binerror.h" +#include "buttons.h" + +/***************************************************************************** + + local variables + +*****************************************************************************/ + +static const int EVENT_MASK = (KeyPressMask | ButtonPressMask | + ButtonReleaseMask | ExposureMask); + +/***************************************************************************** + + prototypes + +*****************************************************************************/ + +static void +draw_progress_bar (x11_info_t *xinfo, binfo_t *binfo, unsigned n, + unsigned n_frames); +static void +draw_button (x11_info_t *xinfo, binfo_t *binfo, + buttons_t button, bool_t pressed); +static void +draw_control_panel (x11_info_t *xinfo, binfo_t *binfo, + unsigned n, unsigned n_frames); + +/***************************************************************************** + + public code + +*****************************************************************************/ + +binfo_t * +init_buttons (x11_info_t *xinfo, unsigned n, unsigned n_frames, + unsigned buttons_height, unsigned progbar_height) +/* + * Initialize a toolbar with the typical collection of video player + * buttons (pause, play, record, next, etc.) in the window given by 'xinfo'. + * 'n' gives the current frame, 'whereas' n_frames is the total number of + * frames of the video stream. + * The size of the button toolbar is given by 'buttons_height', + * the size of the progressbar is given by 'progbar_height'. + * + * Return value: + * struct managing the toolbar and progressbar information + */ +{ + XGCValues values; + XEvent event; + Colormap cmap; + XColor gray, dgray, lgray, red; + XColor graye, dgraye, lgraye, rede; + buttons_t button; /* counter */ + binfo_t *binfo = calloc (1, sizeof (binfo_t)); + + if (!binfo) + error ("Out of memory."); + + binfo->width = xinfo->ximage->width; + binfo->height = buttons_height; + binfo->progbar_height = progbar_height; + binfo->record_is_rewind = NO; + + /* + * Generate sub-window for control panel + */ + binfo->window = XCreateSimpleWindow (xinfo->display, xinfo->window, + 0, xinfo->ximage->height, + binfo->width, binfo->height, 0, + BlackPixel (xinfo->display, + xinfo->screen), + WhitePixel (xinfo->display, + xinfo->screen)); + XSelectInput(xinfo->display, binfo->window, StructureNotifyMask); + XMapWindow (xinfo->display, binfo->window); + do + { + XNextEvent (xinfo->display, &event); + } + while (event.type != MapNotify || event.xmap.event != binfo->window); + XSelectInput (xinfo->display, binfo->window, EVENT_MASK); + + /* + * Generate graphic contexts for different colors. + */ + cmap = DefaultColormap (xinfo->display, xinfo->screen); + XAllocNamedColor (xinfo->display, cmap, "#404040", &dgray, &dgraye); + XAllocNamedColor (xinfo->display, cmap, "white", &lgray, &lgraye); + XAllocNamedColor (xinfo->display, cmap, "#a8a8a8", &gray, &graye); + XAllocNamedColor (xinfo->display, cmap, "red", &red, &rede); + + values.foreground = BlackPixel (xinfo->display, xinfo->screen); + values.background = WhitePixel (xinfo->display, xinfo->screen); + binfo->gc [BLACK] = XCreateGC (xinfo->display, + RootWindow (xinfo->display, xinfo->screen), + (GCForeground | GCBackground), &values); + values.foreground = BlackPixel (xinfo->display, xinfo->screen); + values.background = WhitePixel (xinfo->display, xinfo->screen); + values.line_width = 3; + values.join_style = JoinRound; + binfo->gc [THICKBLACK] = XCreateGC (xinfo->display, + RootWindow (xinfo->display, + xinfo->screen), + (GCForeground | GCBackground + | GCLineWidth | GCJoinStyle), &values); + values.foreground = gray.pixel; + values.background = WhitePixel (xinfo->display, xinfo->screen); + binfo->gc [NGRAY] = XCreateGC (xinfo->display, + RootWindow (xinfo->display, xinfo->screen), + (GCForeground | GCBackground), &values); + values.foreground = lgray.pixel; + values.background = WhitePixel (xinfo->display, xinfo->screen); + binfo->gc [LGRAY] = XCreateGC (xinfo->display, + RootWindow (xinfo->display, xinfo->screen), + (GCForeground | GCBackground), &values); + values.foreground = dgray.pixel; + values.background = WhitePixel (xinfo->display, xinfo->screen); + binfo->gc [DGRAY] = XCreateGC (xinfo->display, + RootWindow (xinfo->display, xinfo->screen), + (GCForeground | GCBackground), &values); + values.foreground = red.pixel; + values.background = WhitePixel (xinfo->display, xinfo->screen); + binfo->gc [RED] = XCreateGC (xinfo->display, + RootWindow (xinfo->display, xinfo->screen), + (GCForeground | GCBackground), &values); + + for (button = 0; button < NO_BUTTON; button++) + binfo->pressed [button] = NO; + + draw_control_panel (xinfo, binfo, n, n_frames); + + return binfo; +} + +void +wait_for_input (x11_info_t *xinfo) +/* + * Wait for key press or mouse click in window 'xinfo'. + * Redraw 'image' if event other then ButtonPress or KeyPress occurs. + * Enlarge or reduce size of image by factor 2^'enlarge_factor'. + * + * No return value. + * + * Side effect: + * program is terminated after key press or mouse click. + */ +{ + bool_t leave_loop = NO; + + XSelectInput (xinfo->display, xinfo->window, EVENT_MASK); + + while (!leave_loop) + { + XEvent event; + + XMaskEvent (xinfo->display, EVENT_MASK, &event); + switch (event.type) + { + case ButtonPress: + case KeyPress: + leave_loop = YES; + break; + default: + display_image (0, 0, xinfo); + break; + } + } +} + +void +check_events (x11_info_t *xinfo, binfo_t *binfo, unsigned n, unsigned n_frames) +/* + * Check the X11 event loop. If the PAUSE buttonin the of panel 'binfo' + * is activated wait until next event occurs. + * Redraw 'image' if event other then ButtonPress or ButtonRelease occurs. + * Enlarge or reduce size of image by factor 2^'enlarge_factor'. + * 'n' gives the current frame, 'whereas' n_frames is the total number of + * frames of the video stream. + * + * No return values. + * + * Side effects: + * status of buttons (binfo->pressed [button]) is changed accordingly. + */ +{ + bool_t leave_eventloop; + + leave_eventloop = (!binfo->pressed [PAUSE_BUTTON] + && binfo->pressed [PLAY_BUTTON]) + || (!binfo->pressed [PAUSE_BUTTON] + && binfo->record_is_rewind + && binfo->pressed [RECORD_BUTTON]) + || binfo->pressed [RECORD_BUTTON]; + draw_progress_bar (xinfo, binfo, n, n_frames); + + if (binfo->pressed [PAUSE_BUTTON] && binfo->pressed [PLAY_BUTTON]) + { + XFlush (xinfo->display); + draw_button (xinfo, binfo, PLAY_BUTTON, NO); /* clear PLAY mode */ + XFlush (xinfo->display); + } + if (binfo->pressed [PAUSE_BUTTON] + && binfo->record_is_rewind && binfo->pressed [RECORD_BUTTON]) + { + XFlush (xinfo->display); + draw_button (xinfo, binfo, RECORD_BUTTON, NO); /* clear PLAY mode */ + XFlush (xinfo->display); + } + + if (binfo->pressed [STOP_BUTTON]) + { + XFlush (xinfo->display); + draw_button (xinfo, binfo, STOP_BUTTON, NO); /* clear STOP button */ + XFlush (xinfo->display); + } + + do + { + XEvent event; + int button; + bool_t wait_release = NO; + + + if (XCheckMaskEvent (xinfo->display, EVENT_MASK, &event)) + { + switch (event.type) + { + case ButtonPress: + wait_release = NO; + if (!(binfo->pressed [RECORD_BUTTON] && + !binfo->record_is_rewind)) + for (button = 0; button < NO_BUTTON; button++) + { + int x0, y0, x1, y1; /* button coordinates */ + + x0 = button * (binfo->width / NO_BUTTON); + y0 = binfo->progbar_height; + x1 = x0 + binfo->width / NO_BUTTON; + y1 = y0 + binfo->height - binfo->progbar_height - 1; + if (event.xbutton.x > x0 && event.xbutton.x < x1 + && event.xbutton.y > y0 && event.xbutton.y < y1) + { + draw_button (xinfo, binfo, button, + !binfo->pressed [button]); + wait_release = YES; + break; + } + } + break; + case ButtonRelease: + wait_release = NO; + break; + default: + wait_release = NO; + draw_control_panel (xinfo, binfo, n, n_frames); + display_image (0, 0, xinfo); + break; + } + leave_eventloop = !wait_release + && (binfo->pressed [PLAY_BUTTON] + || binfo->pressed [STOP_BUTTON] + || binfo->pressed [RECORD_BUTTON] + || binfo->pressed [QUIT_BUTTON]); + } + } while (!leave_eventloop); + + if ((binfo->pressed [RECORD_BUTTON] && !binfo->record_is_rewind) + && n == n_frames - 1) + { + binfo->record_is_rewind = YES; + draw_button (xinfo, binfo, RECORD_BUTTON, NO); + } +} + +/***************************************************************************** + + private code + +*****************************************************************************/ + +static void +draw_control_panel (x11_info_t *xinfo, binfo_t *binfo, + unsigned n, unsigned n_frames) +/* + * Draw control panel 'binfo' with all buttons and progressbar in + * the given 'window'. + * 'n' gives the current frame, 'whereas' n_frames is the total number of + * frames of the video stream. + * + * No return value. + */ +{ + buttons_t button; + + XFillRectangle (xinfo->display, binfo->window, binfo->gc [NGRAY], + 0, 0, binfo->width, binfo->height); + draw_progress_bar (xinfo, binfo, n, n_frames); + for (button = 0; button < NO_BUTTON; button++) + draw_button (xinfo, binfo, button, binfo->pressed [button]); +} + +static void +draw_progress_bar (x11_info_t *xinfo, binfo_t *binfo, unsigned n, + unsigned n_frames) +/* + * Draw progressbar of control panel 'binfo' in the given 'window'. + * 'n' gives the current frame, whereas 'n_frames' is the total number of + * frames of the video stream. + * + * No return value. + */ +{ + unsigned x, y, width, height; + + x = 2; + y = 1; + width = binfo->width - 5; + height = binfo->progbar_height - 3; + + XDrawLine (xinfo->display, binfo->window, binfo->gc [DGRAY], + x, y, x + width, y); + XDrawLine (xinfo->display, binfo->window, binfo->gc [DGRAY], + x, y, x, y + height - 1); + XDrawLine (xinfo->display, binfo->window, binfo->gc [LGRAY], + x + width, y + 1, x + width, y + height); + XDrawLine (xinfo->display, binfo->window, binfo->gc [LGRAY], + x, y + height, x + width, y + height); + + x++; y++; width -= 2; height -= 2; + XFillRectangle (xinfo->display, binfo->window, binfo->gc [NGRAY], + x, y, width, height); + + XFillRectangle (xinfo->display, binfo->window, binfo->gc [BLACK], + x + n * max (1, width / n_frames), y, + max (1, width / n_frames), height); +} + +static void +draw_button (x11_info_t *xinfo, binfo_t *binfo, + buttons_t button, bool_t pressed) +/* + * Draw 'button' of control panel 'binfo' in the given 'window'. + * 'pressed' indicates whether the button is pressed or not. + * + * No return value. + */ +{ + grayscale_t top, bottom; /* index of GC */ + unsigned x, y, width, height; /* coordinates of button */ + + x = button * (binfo->width / NO_BUTTON); + y = binfo->progbar_height; + width = binfo->width / NO_BUTTON; + height = binfo->height - binfo->progbar_height - 1; + + if (width < 4 || height < 4) + return; + + if (pressed) + { + top = DGRAY; + bottom = LGRAY; + } + else + { + top = LGRAY; + bottom = DGRAY; + } + + x += 2; + width -= 4; + + XDrawLine (xinfo->display, binfo->window, binfo->gc [top], + x, y, x + width, y); + XDrawLine (xinfo->display, binfo->window, binfo->gc [top], + x, y, x, y + height - 1); + XDrawLine (xinfo->display, binfo->window, binfo->gc [bottom], + x + width, y + 1, x + width, y + height); + XDrawLine (xinfo->display, binfo->window, binfo->gc [bottom], + x, y + height, x + width, y + height); + + x++; y++; width -= 2; height -= 2; + XFillRectangle (xinfo->display, binfo->window, binfo->gc [NGRAY], + x, y, width, height); + + switch (button) + { + case STOP_BUTTON: + XFillRectangle (xinfo->display, binfo->window, binfo->gc [BLACK], + x + width / 2 - 6, y + height / 2 - 4, 11, 11); + if (pressed && !binfo->pressed [STOP_BUTTON]) + { + draw_button (xinfo, binfo, PLAY_BUTTON, NO); + draw_button (xinfo, binfo, PAUSE_BUTTON, NO); + draw_button (xinfo, binfo, RECORD_BUTTON, NO); + } + break; + case PAUSE_BUTTON: + XFillRectangle (xinfo->display, binfo->window, binfo->gc [BLACK], + x + width / 2 - 6, y + height / 2 - 4, 5, 11); + XFillRectangle (xinfo->display, binfo->window, binfo->gc [BLACK], + x + width / 2 + 1, y + height / 2 - 4, 5, 11); + break; + case PLAY_BUTTON: + { + XPoint triangle [3]; + + triangle [0].x = x + width / 2 - 5; + triangle [0].y = y + height / 2 - 5; + triangle [1].x = 10; + triangle [1].y = 6; + triangle [2].x = -10; + triangle [2].y = 6; + + XFillPolygon (xinfo->display, binfo->window, binfo->gc [BLACK], + triangle, 3, Convex, CoordModePrevious); + if (pressed && !binfo->pressed [PLAY_BUTTON] + && binfo->pressed [RECORD_BUTTON]) + draw_button (xinfo, binfo, RECORD_BUTTON, NO); + } + break; + case RECORD_BUTTON: + if (!binfo->record_is_rewind) + { + XFillArc (xinfo->display, binfo->window, binfo->gc [RED], + x + width / 2 - 5, y + height / 2 - 5, 11, 11, 0, + 360 * 64); + if (pressed && !binfo->pressed [RECORD_BUTTON]) + { + draw_button (xinfo, binfo, STOP_BUTTON, YES); + draw_button (xinfo, binfo, PLAY_BUTTON, NO); + draw_button (xinfo, binfo, PAUSE_BUTTON, NO); + } + } + else + { + XPoint triangle [3]; + + triangle [0].x = x + width / 2 + 5; + triangle [0].y = y + height / 2 - 5; + triangle [1].x = -10; + triangle [1].y = 6; + triangle [2].x = 10; + triangle [2].y = 6; + + XFillPolygon (xinfo->display, binfo->window, binfo->gc [BLACK], + triangle, 3, Convex, CoordModePrevious); + if (pressed && !binfo->pressed [RECORD_BUTTON] + && binfo->pressed [PLAY_BUTTON]) + draw_button (xinfo, binfo, PLAY_BUTTON, NO); + } + break; + case QUIT_BUTTON: + { + XPoint triangle [3]; + + triangle [0].x = x + width / 2 - 6; + triangle [0].y = y + height / 2 + 2; + triangle [1].x = 6; + triangle [1].y = -7; + triangle [2].x = 6; + triangle [2].y = 7; + + XFillPolygon (xinfo->display, binfo->window, binfo->gc [BLACK], + triangle, 3, Convex, CoordModePrevious); + XFillRectangle (xinfo->display, binfo->window, binfo->gc [BLACK], + x + width / 2 - 5, y + height / 2 + 4, 11, 3); + } + break; + default: + break; + } + binfo->pressed [button] = pressed; +} + +#endif /* not X_DISPLAY_MISSING */ |