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new graph-widget option: grow = <{right, left}> 

Signed-off-by: Marco Candrian <mac@calmar.ws>
Signed-off-by: Julien Danjou <julien@danjou.info>
This commit is contained in:
marco candrian 2008-03-18 03:15:50 +01:00 committed by Julien Danjou
parent 08f1e90384
commit 214a5c4bfa
5 changed files with 77 additions and 21 deletions
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7
awesomerc.5.txt
View File

@ -481,7 +481,7 @@ This widget shows a graph.
Defines a data-stream section;
Options: max, scale, fg, fg_center, fg_end and draw_style.
*max*::
This value prints a full graph (default = 100)
This value prints a full graph (default = 100).
*scale*::
Re-scales when input > max (see below).
*fg*::
@ -499,9 +499,11 @@ This widget shows a graph.
*width*::
Set width.
*height*::
Set height (i.e. 0.9 = 90%)
Set height (i.e. 0.9 = 90%).
*padding_left*::
Empty space on the left.
*grow*::
Put new values onto the 'left' or 'right'.
*bg*::
Background color.
*bordercolor*::
@ -706,6 +708,7 @@ screen <integer> [MULTI]
width = <integer>
height = <float>
padding_left = <integer>
grow = <{left, right}>
bg = <color>
bordercolor = <color>
x = <integer> y = <integer>

1
common/configopts.c
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@ -189,6 +189,7 @@ cfg_opt_t widget_graph_opts[] =
CFG_SEC((char *) "mouse", mouse_generic_opts, CFGF_MULTI),
CFG_SEC((char *) "data", widget_graph_data_opts, CFGF_TITLE | CFGF_MULTI | CFGF_NO_TITLE_DUPES),
CFG_INT((char *) "width", 100, CFGF_NONE),
CFG_STR((char *) "grow", (char *) "left", CFGF_NONE),
CFG_INT((char *) "padding_left", 0, CFGF_NONE),
CFG_FLOAT((char *) "height", 0.67, CFGF_NONE),
CFG_STR((char *) "bg", (char *) NULL, CFGF_NONE),

36
common/draw.c
View File

@ -398,12 +398,13 @@ draw_graph_setup(DrawCtx *ctx)
* \param from array of starting-point offsets to draw a graph-lines
* \param to array of end-point offsets to draw a graph-lines
* \param cur_index current position in data-array (cycles around)
* \param grow put new values to the left or to the right
* \param pcolor color at the left
* \param pcolor_center color in the center
* \param pcolor_end color at the right
*/
void
draw_graph(DrawCtx *ctx, area_t rect, int *from, int *to, int cur_index,
draw_graph(DrawCtx *ctx, area_t rect, int *from, int *to, int cur_index, Position grow,
area_t patt_rect, XColor *pcolor, XColor *pcolor_center, XColor *pcolor_end)
{
int i, x, y, w;
@ -416,6 +417,21 @@ draw_graph(DrawCtx *ctx, area_t rect, int *from, int *to, int cur_index,
w = rect.width;
i = -1;
if(grow == Right) /* draw from right to left */
{
x += w - 1;
while(++i < w)
{
cairo_move_to(ctx->cr, x, y - from[cur_index]);
cairo_line_to(ctx->cr, x, y - to[cur_index]);
x--;
if (--cur_index < 0)
cur_index = w - 1;
}
}
else /* draw from left to right */
{
while(++i < w)
{
cairo_move_to(ctx->cr, x, y - from[cur_index]);
@ -425,6 +441,7 @@ draw_graph(DrawCtx *ctx, area_t rect, int *from, int *to, int cur_index,
if (--cur_index < 0)
cur_index = w - 1;
}
}
cairo_stroke(ctx->cr);
@ -439,12 +456,13 @@ draw_graph(DrawCtx *ctx, area_t rect, int *from, int *to, int cur_index,
* \param w width in pixels
* \param to array of offsets to draw the line through...
* \param cur_index current position in data-array (cycles around)
* \param grow put new values to the left or to the right
* \param pcolor color at the left
* \param pcolor_center color in the center
* \param pcolor_end color at the right
*/
void
draw_graph_line(DrawCtx *ctx, area_t rect, int *to, int cur_index,
draw_graph_line(DrawCtx *ctx, area_t rect, int *to, int cur_index, Position grow,
area_t patt_rect, XColor *pcolor, XColor *pcolor_center, XColor *pcolor_end)
{
int i, x, y, w;
@ -457,9 +475,17 @@ draw_graph_line(DrawCtx *ctx, area_t rect, int *to, int cur_index,
y = rect.y;
w = rect.width;
if(grow == Right) /* draw from right to left */
{
x += w - 1;
cairo_move_to(ctx->cr, x, y - to[cur_index]);
}
else
{
/* x-1 (on the border), paints *from* the last point (... not included itself) */
/* makes sense when you assume there is already some line drawn to it. */
/* may makes sense when you assume there is already some line drawn to it - anyway */
cairo_move_to(ctx->cr, x - 1, y - to[cur_index]);
}
for (i = 0; i < w; i++)
{
@ -481,6 +507,10 @@ draw_graph_line(DrawCtx *ctx, area_t rect, int *to, int cur_index,
if (--cur_index < 0) /* cycles around the index */
cur_index = w - 1;
if(grow == Right)
x--;
else
x++;
}
cairo_stroke(ctx->cr);

4
common/draw.h
View File

@ -127,8 +127,8 @@ void draw_rectangle(DrawCtx *, area_t, Bool, XColor);
void draw_rectangle_gradient(DrawCtx *, area_t, Bool, area_t, XColor *, XColor *, XColor *);
void draw_graph_setup(DrawCtx *);
void draw_graph(DrawCtx *, area_t, int *, int *, int, area_t, XColor *, XColor *, XColor *);
void draw_graph_line(DrawCtx *, area_t, int *, int, area_t, XColor *, XColor *, XColor *);
void draw_graph(DrawCtx *, area_t, int *, int *, int, Position, area_t, XColor *, XColor *, XColor *);
void draw_graph_line(DrawCtx *, area_t, int *, int, Position, area_t, XColor *, XColor *, XColor *);
void draw_circle(DrawCtx *, int, int, int, Bool, XColor);
void draw_image(DrawCtx *, int, int, int, const char *);
void draw_image_from_argb_data(DrawCtx *, int, int, int, int, int, unsigned char *);

30
widgets/graph.c
View File

@ -40,6 +40,7 @@ typedef struct
int size; /** Size of lines-array (also innerbox-lenght) */
XColor bg; /** Background color */
XColor bordercolor; /** Border color */
Position grow; /** grow: Left or Right */
/* markers... */
int *index; /** Index of current (new) value */
@ -181,7 +182,7 @@ graph_draw(Widget *widget, DrawCtx *ctx, int offset,
if (--cur_index < 0) /* next index to compare to other values */
cur_index = d->size - 1;
}
draw_graph(ctx, rectangle , d->draw_from, d->draw_to, *(d->filltop_index[z]), pattern_area,
draw_graph(ctx, rectangle , d->draw_from, d->draw_to, *(d->filltop_index[z]), d->grow, pattern_area,
&(d->filltop_color[z]), d->filltop_pcolor_center[z], d->filltop_pcolor_end[z]);
}
}
@ -229,8 +230,8 @@ graph_draw(Widget *widget, DrawCtx *ctx, int offset,
if (--cur_index < 0)
cur_index = d->size - 1;
}
draw_graph(ctx, rectangle, d->draw_from, d->fillbottom[z], *(d->fillbottom_index[z]), pattern_area,
&(d->fillbottom_color[z]), d->fillbottom_pcolor_center[z], d->fillbottom_pcolor_end[z]);
draw_graph(ctx, rectangle, d->draw_from, d->fillbottom[z], *(d->fillbottom_index[z]), d->grow,
pattern_area, &(d->fillbottom_color[z]), d->fillbottom_pcolor_center[z], d->fillbottom_pcolor_end[z]);
}
}
@ -251,7 +252,7 @@ graph_draw(Widget *widget, DrawCtx *ctx, int offset,
/* draw style = line */
for(z = 0; z < d->drawline_total; z++)
{
draw_graph_line(ctx, rectangle, d->drawline[z], *(d->drawline_index[z]), pattern_area,
draw_graph_line(ctx, rectangle, d->drawline[z], *(d->drawline_index[z]), d->grow, pattern_area,
&(d->drawline_color[z]), d->drawline_pcolor_center[z], d->drawline_pcolor_end[z]);
}
}
@ -346,6 +347,19 @@ graph_tell(Widget *widget, char *property, char *command)
command, &d->bordercolor))
return WIDGET_ERROR_FORMAT_COLOR;
}
else if(!a_strcmp(property, "grow"))
{
if(!a_strcmp(command, "left"))
d->grow = Left;
else if(!a_strcmp(command, "right"))
d->grow = Right;
else
{
warn("error changing property %s of widget %s, must be 'left' or 'right'\n",
property, widget->name);
return WIDGET_ERROR_CUSTOM;
}
}
else
return WIDGET_ERROR;
@ -391,6 +405,14 @@ graph_new(Statusbar *statusbar, cfg_t *config)
return w;
}
d->grow = position_get_from_str(cfg_getstr(config, "grow"));
if(d->grow != Left && d->grow != Right)
{
warn("graph widget: 'grow' argument must be 'left' or 'right'\n");
d->data_items = 0; /* disable widget drawing */
return w;
}
d->draw_from = p_new(int, d->size);
d->draw_to = p_new(int, d->size);