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