mirror of
git://projects.qi-hardware.com/eda-tools.git
synced 2024-11-26 15:53:44 +02:00
eeshow/: overlays can now have different styles (WIP)
This commit is contained in:
Werner Almesberger
parent
18c3b6e476
commit
51f6852bf9
@ -43,6 +43,7 @@
|
||||
|
||||
struct overlay {
|
||||
const char *s;
|
||||
const struct overlay_style *style;
|
||||
|
||||
struct aoi **aois;
|
||||
bool (*hover)(void *user, bool on);
|
||||
@ -55,6 +56,42 @@ struct overlay {
|
||||
};
|
||||
|
||||
|
||||
#define BG_DEFAULT { 0.8, 0.9, 1.0, 0.8 }
|
||||
#define FRAME_DEFAULT { 0.5, 0.5, 1.0, 0.7 }
|
||||
#define FRAME_SELECTED { 0.0, 0.0, 1.0, 0.8 }
|
||||
#define FG_DEFAULT { 0.0, 0.0, 0.0, 1.0 }
|
||||
|
||||
|
||||
struct overlay_style overlay_style_default = {
|
||||
.font = "Helvetica 10",
|
||||
.radius = 6,
|
||||
.pad = 8,
|
||||
.skip = 8,
|
||||
.bg = BG_DEFAULT,
|
||||
.frame = FRAME_DEFAULT,
|
||||
.fg = FG_DEFAULT,
|
||||
.width = 2,
|
||||
}, overlay_style_dense = {
|
||||
.font = "Helvetiva 10",
|
||||
.radius = 3,
|
||||
.pad = 4,
|
||||
.skip = 5,
|
||||
.bg = BG_DEFAULT,
|
||||
.frame = FRAME_DEFAULT,
|
||||
.fg = FG_DEFAULT,
|
||||
.width = 1,
|
||||
}, overlay_style_dense_selected = {
|
||||
.font = "Helvetica Bold 10",
|
||||
.radius = 3,
|
||||
.pad = 4,
|
||||
.skip = 5,
|
||||
.bg = BG_DEFAULT,
|
||||
.frame = FRAME_SELECTED,
|
||||
.fg = FG_DEFAULT,
|
||||
.width = 1,
|
||||
};
|
||||
|
||||
|
||||
static void rrect(cairo_t *cr, int x, int y, int w, int h, int r)
|
||||
{
|
||||
const double deg = M_PI / 180.0;
|
||||
@ -70,36 +107,64 @@ static void rrect(cairo_t *cr, int x, int y, int w, int h, int r)
|
||||
|
||||
struct overlay *overlay_draw(struct overlay *over, cairo_t *cr, int *x, int *y)
|
||||
{
|
||||
int w, h;
|
||||
const struct overlay_style *style = over->style;
|
||||
const double *fg = style->fg;
|
||||
const double *bg = style->bg;
|
||||
const double *frame = style->frame;
|
||||
unsigned ink_w, ink_h, w, h;
|
||||
int tx, ty;
|
||||
|
||||
PangoLayout *layout;
|
||||
PangoFontDescription *desc;
|
||||
PangoRectangle ink_rect;
|
||||
|
||||
desc = pango_font_description_from_string(style->font);
|
||||
layout = pango_cairo_create_layout(cr);
|
||||
pango_layout_set_markup(layout, over->s, -1);
|
||||
desc = pango_font_description_from_string("Helvetica 10");
|
||||
pango_layout_set_font_description(layout, desc);
|
||||
pango_layout_set_markup(layout, over->s, -1);
|
||||
pango_font_description_free(desc);
|
||||
|
||||
pango_layout_get_extents(layout, &ink_rect, NULL);
|
||||
w = ink_rect.width / PANGO_SCALE + 2 * OVER_BORDER;
|
||||
h = ink_rect.height / PANGO_SCALE + 2 * OVER_BORDER;
|
||||
#if 0
|
||||
fprintf(stderr, "%d + %d %d + %d\n",
|
||||
ink_rect.x / PANGO_SCALE, ink_rect.width / PANGO_SCALE,
|
||||
ink_rect.y / PANGO_SCALE, ink_rect.height / PANGO_SCALE);
|
||||
#endif
|
||||
ink_w = ink_rect.width / PANGO_SCALE;
|
||||
ink_h = ink_rect.height / PANGO_SCALE;
|
||||
|
||||
rrect(cr, *x, *y, w, h, OVER_RADIUS);
|
||||
ink_w = ink_w > style->wmin ? ink_w : style->wmin;
|
||||
ink_w = !style->wmax || ink_w < style->wmax ? ink_w : style->wmax;
|
||||
w = ink_w + 2 * style->pad;
|
||||
h = ink_h + 2 * style->pad;
|
||||
|
||||
cairo_set_source_rgba(cr, 0.8, 0.9, 1, 0.8);
|
||||
tx = *x - ink_rect.x / PANGO_SCALE + style->pad;
|
||||
ty = *y - ink_rect.y / PANGO_SCALE + style->pad;
|
||||
|
||||
rrect(cr, *x, *y, w, h, style->radius);
|
||||
|
||||
cairo_set_source_rgba(cr, bg[0], bg[1], bg[2], bg[3]);
|
||||
cairo_fill_preserve(cr);
|
||||
cairo_set_source_rgba(cr, 0.5, 0.5, 1, 0.7);
|
||||
cairo_set_line_width(cr, 2);
|
||||
cairo_set_source_rgba(cr, frame[0], frame[1], frame[2], frame[3]);
|
||||
cairo_set_line_width(cr, style->width);
|
||||
cairo_stroke(cr);
|
||||
|
||||
cairo_set_source_rgb(cr, 0, 0, 0);
|
||||
cairo_move_to(cr, *x - ink_rect.x / PANGO_SCALE + OVER_BORDER,
|
||||
*y - ink_rect.y / PANGO_SCALE + OVER_BORDER + 0*ink_rect.height);
|
||||
if (style->wmax) {
|
||||
cairo_new_path(cr);
|
||||
#if 0
|
||||
fprintf(stderr, "%u(%d) %u %.60s\n", ty, ink_rect.y / PANGO_SCALE, ink_h, over->s);
|
||||
#endif
|
||||
cairo_rectangle(cr, tx, ty, ink_w, ink_h);
|
||||
cairo_clip(cr);
|
||||
}
|
||||
|
||||
cairo_set_source_rgba(cr, fg[0], fg[1], fg[2], fg[3]);
|
||||
cairo_move_to(cr, tx, ty);
|
||||
|
||||
pango_cairo_update_layout(cr, layout);
|
||||
pango_cairo_show_layout(cr, layout);
|
||||
cairo_reset_clip(cr);
|
||||
g_object_unref(layout);
|
||||
|
||||
if (over->hover || over->click) {
|
||||
struct aoi aoi = {
|
||||
@ -117,7 +182,7 @@ struct overlay *overlay_draw(struct overlay *over, cairo_t *cr, int *x, int *y)
|
||||
over->aoi = aoi_add(over->aois, &aoi);
|
||||
}
|
||||
|
||||
*y += h + OVER_SEP;
|
||||
*y += h + style->skip;
|
||||
|
||||
return over->next;
|
||||
}
|
||||
@ -142,6 +207,7 @@ struct overlay *overlay_add(struct overlay **overlays, struct aoi **aois,
|
||||
|
||||
over = alloc_type(struct overlay);
|
||||
over->s = NULL;
|
||||
over->style = &overlay_style_default;
|
||||
|
||||
over->aois = aois;
|
||||
over->hover = hover;
|
||||
@ -157,6 +223,12 @@ struct overlay *overlay_add(struct overlay **overlays, struct aoi **aois,
|
||||
}
|
||||
|
||||
|
||||
void overlay_style(struct overlay *over, const struct overlay_style *style)
|
||||
{
|
||||
over->style = style;
|
||||
}
|
||||
|
||||
|
||||
void overlay_text(struct overlay *over, const char *fmt, ...)
|
||||
{
|
||||
va_list ap;
|
||||
|
||||
@ -14,20 +14,38 @@
|
||||
#define GUI_OVER_H
|
||||
|
||||
#include <stdbool.h>
|
||||
#include <stdint.h>
|
||||
|
||||
#include <cairo/cairo.h>
|
||||
|
||||
#include "gui-aoi.h"
|
||||
|
||||
|
||||
struct overlay_style {
|
||||
const char *font;
|
||||
unsigned wmin, wmax;
|
||||
unsigned radius;
|
||||
unsigned pad; /* in x and y direction; adjust for radius ! */
|
||||
unsigned skip; /* should be list-specific */
|
||||
double fg[4];
|
||||
double bg[4];
|
||||
double frame[4];
|
||||
double width;
|
||||
};
|
||||
|
||||
struct overlay;
|
||||
|
||||
|
||||
extern struct overlay_style overlay_style_default;
|
||||
extern struct overlay_style overlay_style_dense;
|
||||
extern struct overlay_style overlay_style_dense_selected;
|
||||
|
||||
struct overlay *overlay_draw(struct overlay *over, cairo_t *cr, int *x, int *y);
|
||||
void overlay_draw_all(struct overlay *overlays, cairo_t *cr);
|
||||
struct overlay *overlay_add(struct overlay **overlays, struct aoi **aois,
|
||||
bool (*hover)(void *user, bool on), void (*click)(void *user), void *user);
|
||||
void overlay_text(struct overlay *over, const char *fmt, ...);
|
||||
void overlay_style(struct overlay *over, const struct overlay_style *style);
|
||||
void overlay_remove(struct overlay **overlays, struct overlay *over);
|
||||
void overlay_remove_all(struct overlay **overlays);
|
||||
|
||||
|
||||
29
eeshow/gui.c
29
eeshow/gui.c
@ -246,6 +246,22 @@ static void go_to_sheet(struct gui_ctx *ctx, struct gui_sheet *sheet);
|
||||
static bool go_up_sheet(struct gui_ctx *ctx);
|
||||
|
||||
|
||||
/* ----- Overlay styles ---------------------------------------------------- */
|
||||
|
||||
|
||||
static struct overlay_style style_dense;
|
||||
static struct overlay_style style_dense_selected;
|
||||
|
||||
|
||||
static void setup_styles(void)
|
||||
{
|
||||
style_dense = overlay_style_dense;
|
||||
style_dense_selected = overlay_style_dense_selected;
|
||||
style_dense.wmin = style_dense.wmax =
|
||||
style_dense_selected.wmin = style_dense_selected.wmax = 400;
|
||||
}
|
||||
|
||||
|
||||
/* ----- Revision history -------------------------------------------------- */
|
||||
|
||||
|
||||
@ -310,8 +326,17 @@ static void show_history(struct gui_ctx *ctx)
|
||||
// @@@ \n doesn't work with cairo_show_text :-(
|
||||
over = overlay_add(&ctx->vcs_overlays, &ctx->aois,
|
||||
NULL, click_history, h);
|
||||
overlay_text(over, "<small>%.60s</small>",
|
||||
overlay_text(over, "<small>%s</small>",
|
||||
vcs_git_summary(h->hist));
|
||||
overlay_style(over,
|
||||
/*
|
||||
* @@@ for some mysterious reason, we get ink_rect.height / PANGO_SCALE = 5
|
||||
* instead of 2 if using overlay_style_dense_selected. Strangely, changing
|
||||
* overlay_style_dense_selected such that it becomes more like
|
||||
* overlay_style_dense has no effect.
|
||||
*/
|
||||
h == ctx->curr_hist ? &overlay_style_dense_selected :
|
||||
&style_dense);
|
||||
}
|
||||
redraw(ctx);
|
||||
}
|
||||
@ -757,6 +782,8 @@ int gui(unsigned n_args, char **args, bool recurse)
|
||||
return 1;
|
||||
}
|
||||
|
||||
setup_styles();
|
||||
|
||||
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
|
||||
|
||||
ctx.da = gtk_drawing_area_new();
|
||||
|
||||
Loading…
Reference in New Issue
Block a user