523 lines
19 KiB
C
523 lines
19 KiB
C
/*
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* progressbar.c - progressbar widget
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*
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* Copyright © 2007-2008 Julien Danjou <julien@danjou.info>
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* Copyright © 2007-2008 Marco Candrian <mac@calmar.ws>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#include "widget.h"
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#include "screen.h"
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extern awesome_t globalconf;
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typedef struct
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{
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/** Pointer to values array */
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float *values;
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/** These or lower values won't fill the bar at all*/
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float *min_value;
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/** These or higher values fill the bar fully */
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float *max_value;
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/** Title of the data/bar */
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char **data_title;
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/** Width of the data_items */
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int width;
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/** Pixel between data items (bars) */
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int gap;
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/** Border width in pixels */
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int border_width;
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/** Padding between border and ticks/bar */
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int border_padding;
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/** Gap/distance between the individual ticks */
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int ticks_gap;
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/** Total number of ticks */
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int ticks_count;
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/** Reverse filling */
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bool *reverse;
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/** 90 Degree's turned */
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bool vertical;
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/** Number of data_items (bars) */
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int data_items;
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/** Height 0-1, where 1.0 is height of bar */
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float height;
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/** Foreground color */
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xcolor_t *fg;
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/** Foreground color of turned-off ticks */
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xcolor_t *fg_off;
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/** Foreground color when bar is half-full */
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xcolor_t **pfg_center;
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/** Foreground color when bar is full */
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xcolor_t **pfg_end;
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/** Background color */
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xcolor_t *bg;
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/** Border color */
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xcolor_t *bordercolor;
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} Data;
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static void
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progressbar_pcolor_set(xcolor_t **ppcolor, char *new_color)
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{
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bool flag = false;
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if(!*ppcolor)
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{
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flag = true; /* p_delete && restore to NULL, if xcolor_new unsuccessful */
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*ppcolor = p_new(xcolor_t, 1);
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}
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if(!(xcolor_new(globalconf.connection,
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globalconf.default_screen,
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new_color, *ppcolor))
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&& flag)
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p_delete(ppcolor);
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}
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static void
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progressbar_data_add(Data *d, const char *new_data_title)
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{
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d->data_items++;
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/* memory (re-)allocating */
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p_realloc(&(d->data_title), d->data_items);
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p_realloc(&(d->values), d->data_items);
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p_realloc(&(d->min_value), d->data_items);
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p_realloc(&(d->max_value), d->data_items);
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p_realloc(&(d->reverse), d->data_items);
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p_realloc(&(d->fg), d->data_items);
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p_realloc(&(d->fg_off), d->data_items);
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p_realloc(&(d->bg), d->data_items);
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p_realloc(&(d->bordercolor), d->data_items);
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p_realloc(&(d->pfg_center), d->data_items);
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p_realloc(&(d->pfg_end), d->data_items);
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/* initialize values for new data section */
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d->reverse[d->data_items - 1] = false;
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d->data_title[d->data_items - 1] = a_strdup(new_data_title);
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d->values[d->data_items - 1] = 0.0;
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d->min_value[d->data_items - 1] = 0.0;
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d->max_value[d->data_items - 1] = 100.0;
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d->fg[d->data_items - 1] = globalconf.colors.fg;
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d->fg_off[d->data_items - 1] = globalconf.colors.bg;
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d->bg[d->data_items - 1] = globalconf.colors.bg;
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d->bordercolor[d->data_items - 1] = globalconf.colors.fg;
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d->pfg_center[d->data_items - 1] = NULL;
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d->pfg_end[d->data_items - 1] = NULL;
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}
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static int
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progressbar_draw(draw_context_t *ctx,
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int screen __attribute__ ((unused)),
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widget_node_t *w,
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int offset,
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int used __attribute__ ((unused)),
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void *p __attribute__ ((unused)))
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{
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/* pb_.. values points to the widget inside a potential border */
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int i, values_ticks, pb_x, pb_y, pb_height, pb_width, pb_progress, pb_offset;
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int unit = 0; /* tick + gap */
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area_t rectangle, pattern_rect;
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Data *d = w->widget->data;
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if(!d->data_items)
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return 0;
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if(d->vertical)
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{
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pb_width = (int) ((d->width - 2 * (d->border_width + d->border_padding) * d->data_items
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- d->gap * (d->data_items - 1)) / d->data_items);
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w->area.width = d->data_items
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* (pb_width + 2 * (d->border_width + d->border_padding)
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+ d->gap) - d->gap;
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}
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else
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{
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pb_width = d->width - 2 * (d->border_width + d->border_padding);
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if(d->ticks_count && d->ticks_gap)
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{
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unit = (pb_width + d->ticks_gap) / d->ticks_count;
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pb_width = unit * d->ticks_count - d->ticks_gap; /* rounded to match ticks... */
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}
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w->area.width = pb_width + 2 * (d->border_width + d->border_padding);
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}
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w->area.x = widget_calculate_offset(ctx->width,
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w->area.width,
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offset,
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w->widget->align);
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w->area.y = 0;
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/* for a 'reversed' progressbar:
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* basic progressbar:
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* 1. the full space gets the size of the formerly empty one
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* 2. the pattern must be mirrored
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* 3. the formerly 'empty' side gets drawed with fg colors, the 'full' with bg-color
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*
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* ticks:
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* 1. round the values to a full tick accordingly
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* 2. finally draw the gaps
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*/
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pb_x = w->area.x + d->border_width + d->border_padding;
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pb_offset = 0;
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if(d->vertical)
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{
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/** \todo maybe prevent to calculate that stuff below over and over again
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* (->use static-values) */
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pb_height = (int) (ctx->height * d->height + 0.5)
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- 2 * (d->border_width + d->border_padding);
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if(d->ticks_count && d->ticks_gap)
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{
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/* '+ d->ticks_gap' because a unit includes a ticks + ticks_gap */
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unit = (pb_height + d->ticks_gap) / d->ticks_count;
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pb_height = unit * d->ticks_count - d->ticks_gap;
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}
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pb_y = w->area.y + ((int) (ctx->height * (1 - d->height)) / 2)
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+ d->border_width + d->border_padding;
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for(i = 0; i < d->data_items; i++)
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{
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if(d->ticks_count && d->ticks_gap)
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{
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values_ticks = (int)(d->ticks_count * (d->values[i] - d->min_value[i])
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/ (d->max_value[i] - d->min_value[i]) + 0.5);
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if(values_ticks)
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pb_progress = values_ticks * unit - d->ticks_gap;
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else
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pb_progress = 0;
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}
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else
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/* e.g.: min = 50; max = 56; 53 should show 50% graph
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* (53(val) - 50(min) / (56(max) - 50(min) = 3 / 5 = 0.5 = 50%
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* round that ( + 0.5 and (int)) and finally multiply with height
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*/
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pb_progress = (int)(pb_height * (d->values[i] - d->min_value[i])
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/ (d->max_value[i] - d->min_value[i]) + 0.5);
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if(d->border_width)
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{
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/* border rectangle */
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rectangle.x = pb_x + pb_offset - d->border_width - d->border_padding;
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rectangle.y = pb_y - d->border_width - d->border_padding;
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rectangle.width = pb_width + 2 * (d->border_padding + d->border_width);
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rectangle.height = pb_height + 2 * (d->border_padding + d->border_width);
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if(d->border_padding)
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draw_rectangle(ctx, rectangle, 1.0, true, d->bg[i]);
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draw_rectangle(ctx, rectangle, d->border_width, false, d->bordercolor[i]);
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}
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/* new value/progress in px + pattern setup */
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if(!d->reverse[i])
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{
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/* bottom to top */
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pattern_rect.x = pb_x;
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pattern_rect.y = pb_y + pb_height;
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pattern_rect.width = 0;
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pattern_rect.height = -pb_height;
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}
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else
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{
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/* invert: top with bottom part */
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pb_progress = pb_height - pb_progress;
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pattern_rect.x = pb_x;
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pattern_rect.y = pb_y;
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pattern_rect.width = 0;
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pattern_rect.height = pb_height;
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}
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/* bottom part */
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if(pb_progress > 0)
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{
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rectangle.x = pb_x + pb_offset;
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rectangle.y = pb_y + pb_height - pb_progress;
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rectangle.width = pb_width;
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rectangle.height = pb_progress;
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/* fg color */
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if(!d->reverse[i])
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draw_rectangle_gradient(ctx, rectangle, 1.0, true, pattern_rect,
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&(d->fg[i]), d->pfg_center[i], d->pfg_end[i]);
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else /*REV: bg */
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draw_rectangle(ctx, rectangle, 1.0, true, d->fg_off[i]);
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}
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/* top part */
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if(pb_height - pb_progress > 0) /* not filled area */
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{
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rectangle.x = pb_x + pb_offset;
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rectangle.y = pb_y;
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rectangle.width = pb_width;
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rectangle.height = pb_height - pb_progress;
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/* bg color */
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if(!d->reverse[i])
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draw_rectangle(ctx, rectangle, 1.0, true, d->fg_off[i]);
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else /* REV: fg */
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draw_rectangle_gradient(ctx, rectangle, 1.0, true, pattern_rect,
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&(d->fg[i]), d->pfg_center[i], d->pfg_end[i]);
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}
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/* draw gaps TODO: improve e.g all in one */
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if(d->ticks_count && d->ticks_gap)
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{
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rectangle.width = pb_width;
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rectangle.height = d->ticks_gap;
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rectangle.x = pb_x + pb_offset;
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for(rectangle.y = pb_y + (unit - d->ticks_gap);
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pb_y + pb_height - d->ticks_gap >= rectangle.y;
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rectangle.y += unit)
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draw_rectangle(ctx, rectangle, 1.0, true, d->bg[i]);
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}
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pb_offset += pb_width + d->gap + 2 * (d->border_width + d->border_padding);
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}
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}
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else /* a horizontal progressbar */
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{
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pb_height = (int) ((ctx->height * d->height
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- d->data_items * 2 * (d->border_width + d->border_padding)
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- (d->gap * (d->data_items - 1))) / d->data_items + 0.5);
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pb_y = w->area.y + ((int) (ctx->height * (1 - d->height)) / 2)
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+ d->border_width + d->border_padding;
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for(i = 0; i < d->data_items; i++)
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{
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if(d->ticks_count && d->ticks_gap)
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{
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/* +0.5 rounds up ticks -> turn on a tick when half of it is reached */
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values_ticks = (int)(d->ticks_count * (d->values[i] - d->min_value[i])
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/ (d->max_value[i] - d->min_value[i]) + 0.5);
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if(values_ticks)
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pb_progress = values_ticks * unit - d->ticks_gap;
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else
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pb_progress = 0;
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}
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else
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pb_progress = (int)(pb_width * (d->values[i] - d->min_value[i])
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/ (d->max_value[i] - d->min_value[i]) + 0.5);
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if(d->border_width)
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{
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/* border rectangle */
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rectangle.x = pb_x - d->border_width - d->border_padding;
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rectangle.y = pb_y + pb_offset - d->border_width - d->border_padding;
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rectangle.width = pb_width + 2 * (d->border_padding + d->border_width);
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rectangle.height = pb_height + 2 * (d->border_padding + d->border_width);
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if(d->border_padding)
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draw_rectangle(ctx, rectangle, 1.0, true, d->bg[i]);
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draw_rectangle(ctx, rectangle, d->border_width, false, d->bordercolor[i]);
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}
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/* new value/progress in px + pattern setup */
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if(!d->reverse[i])
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{
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/* left to right */
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pattern_rect.x = pb_x;
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pattern_rect.y = pb_y;
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pattern_rect.width = pb_width;
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pattern_rect.height = 0;
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}
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else
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{
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/* reverse: right to left */
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pb_progress = pb_width - pb_progress;
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pattern_rect.x = pb_x + pb_width;
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pattern_rect.y = pb_y;
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pattern_rect.width = -pb_width;
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pattern_rect.height = 0;
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}
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/* left part */
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if(pb_progress > 0)
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{
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rectangle.x = pb_x;
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rectangle.y = pb_y + pb_offset;
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rectangle.width = pb_progress;
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rectangle.height = pb_height;
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/* fg color */
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if(!d->reverse[i])
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draw_rectangle_gradient(ctx, rectangle, 1.0, true, pattern_rect,
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&(d->fg[i]), d->pfg_center[i], d->pfg_end[i]);
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else /* reverse: bg */
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draw_rectangle(ctx, rectangle, 1.0, true, d->fg_off[i]);
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}
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/* right part */
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if(pb_width - pb_progress > 0)
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{
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rectangle.x = pb_x + pb_progress;
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rectangle.y = pb_y + pb_offset;
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rectangle.width = pb_width - pb_progress;
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rectangle.height = pb_height;
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/* bg color */
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if(!d->reverse[i])
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draw_rectangle(ctx, rectangle, 1.0, true, d->fg_off[i]);
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else /* reverse: fg */
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draw_rectangle_gradient(ctx, rectangle, 1.0, true, pattern_rect,
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&(d->fg[i]), d->pfg_center[i], d->pfg_end[i]);
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}
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/* draw gaps TODO: improve e.g all in one */
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if(d->ticks_count && d->ticks_gap)
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{
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rectangle.width = d->ticks_gap;
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rectangle.height = pb_height;
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rectangle.y = pb_y + pb_offset;
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for(rectangle.x = pb_x + (unit - d->ticks_gap);
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pb_x + pb_width - d->ticks_gap >= rectangle.x;
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rectangle.x += unit)
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draw_rectangle(ctx, rectangle, 1.0, true, d->bg[i]);
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}
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pb_offset += pb_height + d->gap + 2 * (d->border_width + d->border_padding);
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}
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}
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w->area.height = ctx->height;
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return w->area.width;
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}
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static widget_tell_status_t
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progressbar_tell(widget_t *widget, const char *property, const char *new_value)
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{
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Data *d = widget->data;
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int i = 0, value;
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char *title, *setting;
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char *new_val;
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bool found;
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if(!new_value)
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return WIDGET_ERROR_NOVALUE;
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/* following properties need a datasection */
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else if(!a_strcmp(property, "fg")
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|| !a_strcmp(property, "data")
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|| !a_strcmp(property, "fg_off")
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|| !a_strcmp(property, "bg")
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|| !a_strcmp(property, "bordercolor")
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|| !a_strcmp(property, "fg_center")
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|| !a_strcmp(property, "fg_end")
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|| !a_strcmp(property, "min_value")
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|| !a_strcmp(property, "max_value")
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|| !a_strcmp(property, "reverse"))
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{
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/* check if this section is defined already */
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new_val = a_strdup(new_value);
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title = strtok(new_val, " ");
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if(!(setting = strtok(NULL, " ")))
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{
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p_delete(&new_val);
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return WIDGET_ERROR_NOVALUE;
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}
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for(found = false, i = 0; !found && i < d->data_items; i++)
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if(!a_strcmp(title, d->data_title[i]))
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found = true;
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/* no section found -> create one */
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if(!found)
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progressbar_data_add(d, title);
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/* change values accordingly... */
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if(!a_strcmp(property, "data"))
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{
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value = atof(setting);
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d->values[d->data_items - 1] = (value < d->min_value[i] ? d->min_value[i] :
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(value > d->max_value[i] ? d->max_value[i] : value));
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}
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else if(!a_strcmp(property, "fg"))
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xcolor_new(globalconf.connection, globalconf.default_screen, setting, &(d->fg[i]));
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else if(!a_strcmp(property, "bg"))
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xcolor_new(globalconf.connection, globalconf.default_screen, setting, &(d->bg[i]));
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else if(!a_strcmp(property, "fg_off"))
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xcolor_new(globalconf.connection, globalconf.default_screen, setting, &(d->fg_off[i]));
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else if(!a_strcmp(property, "bordercolor"))
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xcolor_new(globalconf.connection, globalconf.default_screen, setting, &(d->bordercolor[i]));
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else if(!a_strcmp(property, "fg_center"))
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progressbar_pcolor_set(&(d->pfg_center[i]), setting);
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else if(!a_strcmp(property, "fg_end"))
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progressbar_pcolor_set(&(d->pfg_end[i]), setting);
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else if(!a_strcmp(property, "min_value"))
|
|
{
|
|
d->min_value[i] = atof(setting);
|
|
/* hack to prevent max_value beeing less than min_value
|
|
* and also preventing a division by zero when both are equal */
|
|
if(d->max_value[i] <= d->min_value[i])
|
|
d->max_value[i] = d->max_value[i] + 0.0001;
|
|
/* force a actual value into the newly possible range */
|
|
if(d->values[i] < d->min_value[i])
|
|
d->values[i] = d->min_value[i];
|
|
}
|
|
else if(!a_strcmp(property, "max_value"))
|
|
{
|
|
d->max_value[i] = atof(setting);
|
|
if(d->min_value[i] >= d->max_value[i])
|
|
d->min_value[i] = d->max_value[i] - 0.0001;
|
|
if(d->values[i] > d->max_value[i])
|
|
d->values[i] = d->max_value[i];
|
|
}
|
|
else if(!a_strcmp(property, "reverse"))
|
|
d->reverse[i] = a_strtobool(setting);
|
|
|
|
p_delete(&new_val);
|
|
return WIDGET_NOERROR;
|
|
}
|
|
else if(!a_strcmp(property, "gap"))
|
|
d->gap = atoi(new_value);
|
|
else if(!a_strcmp(property, "ticks_count"))
|
|
d->ticks_count = atoi(new_value);
|
|
else if(!a_strcmp(property, "ticks_gap"))
|
|
d->ticks_gap = atoi(new_value);
|
|
else if(!a_strcmp(property, "border_padding"))
|
|
d->border_padding = atoi(new_value);
|
|
else if(!a_strcmp(property, "border_width"))
|
|
d->border_width = atoi(new_value);
|
|
else if(!a_strcmp(property, "width"))
|
|
d->width = atoi(new_value);
|
|
else if(!a_strcmp(property, "height"))
|
|
d->height = atof(new_value);
|
|
else if(!a_strcmp(property, "vertical"))
|
|
d->vertical = a_strtobool(new_value);
|
|
else
|
|
return WIDGET_ERROR;
|
|
|
|
return WIDGET_NOERROR;
|
|
}
|
|
|
|
widget_t *
|
|
progressbar_new(alignment_t align)
|
|
{
|
|
widget_t *w;
|
|
Data *d;
|
|
|
|
w = p_new(widget_t, 1);
|
|
widget_common_new(w);
|
|
w->align = align;
|
|
w->draw = progressbar_draw;
|
|
w->tell = progressbar_tell;
|
|
d = w->data = p_new(Data, 1);
|
|
|
|
d->height = 0.80;
|
|
d->width = 80;
|
|
|
|
d->ticks_gap = 1;
|
|
d->border_width = 1;
|
|
d->gap = 2;
|
|
|
|
return w;
|
|
}
|
|
// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
|