Changes in uspace/lib/ui/src/pbutton.c [3583ffb:b769ca0] in mainline

File:

• uspace/lib/ui/src/pbutton.c (modified) (16 diffs)

uspace/lib/ui/src/pbutton.c

@@ -1 +1 @@
 /*
- * Copyright (c) 2020 Jiri Svoboda
+ * Copyright (c) 2026 Jiri Svoboda
  * All rights reserved.
  *
@@ -32 +32 @@
 /**
  * @file Push button
+ *
+ * Push button either uses text as decoration, or it can use a caller-provided
+ * function to paint the decoration.
  */
 
@@ -51 +54 @@
 enum {
         ui_pb_press_dx = 1,
-        ui_pb_press_dy = 1
+        ui_pb_press_dy = 1,
+        ui_pb_pad_x = 2,
+        ui_pb_pad_x_text = 1
 };
 
@@ -111 +116 @@
 
         ui_control_delete(pbutton->control);
+        free(pbutton->caption);
         free(pbutton);
 }
@@ -136 +142 @@
 }
 
+/** Set push button ops.
+ *
+ * These allow overriding the function for painting the button or
+ * painting the button decoration.
+ *
+ * @param pbutton Push button
+ * @param ops Push button ops
+ * @param arg Decoration ops argument
+ */
+void ui_pbutton_set_ops(ui_pbutton_t *pbutton, ui_pbutton_ops_t *ops, void *arg)
+{
+        pbutton->ops = ops;
+        pbutton->ops_arg = arg;
+}
+
+/** Set push button flag.s
+ *
+ * @param pbutton Push button
+ * @param flags Flags
+ */
+void ui_pbutton_set_flags(ui_pbutton_t *pbutton, ui_pbutton_flags_t flags)
+{
+        pbutton->flags = flags;
+}
+
 /** Set button rectangle.
  *
@@ -157 +188 @@
 {
         pbutton->isdefault = isdefault;
+}
+
+/** Get button light status.
+ *
+ * @param pbutton Button
+ * @return @c true iff light is on
+ */
+bool ui_pbutton_get_light(ui_pbutton_t *pbutton)
+{
+        return pbutton->light;
+}
+
+/** Turn button light on or off.
+ *
+ * @param pbutton Button
+ * @param light @c true iff button should be lit
+ */
+void ui_pbutton_set_light(ui_pbutton_t *pbutton, bool light)
+{
+        pbutton->light = light;
+}
+
+/** Set push button caption.
+ *
+ * @param pbutton Button
+ * @param caption New caption
+ * @return EOK on success, ENOMEM if out of memory
+ */
+errno_t ui_pbutton_set_caption(ui_pbutton_t *pbutton, const char *caption)
+{
+        char *dcaption;
+
+        dcaption = str_dup(caption);
+        if (dcaption == NULL)
+                return ENOMEM;
+
+        free(pbutton->caption);
+        pbutton->caption = dcaption;
+        return EOK;
 }
 
@@ -239 +309 @@
 }
 
-/** Paint push button.
- *
- * @param pbutton Push button
- * @return EOK on success or an error code
- */
-errno_t ui_pbutton_paint(ui_pbutton_t *pbutton)
+/** Paint button text shadow.
+ *
+ * @param pbutton Push button
+ * @return EOK on success or an error code
+ */
+static errno_t ui_pbutton_paint_text_shadow(ui_pbutton_t *pbutton)
+{
+        gfx_rect_t rect;
+        errno_t rc;
+
+        rect.p0.x = pbutton->rect.p0.x + 1;
+        rect.p0.y = pbutton->rect.p0.y + 1;
+        rect.p1.x = pbutton->rect.p1.x;
+        rect.p1.y = pbutton->rect.p1.y;
+
+        rc = gfx_set_color(pbutton->res->gc, pbutton->res->btn_shadow_color);
+        if (rc != EOK)
+                goto error;
+
+        rc = gfx_fill_rect(pbutton->res->gc, &rect);
+        if (rc != EOK)
+                goto error;
+
+        return EOK;
+error:
+        return rc;
+}
+
+/** Paint push button in graphic mode.
+ *
+ * @param pbutton Push button
+ * @return EOK on success or an error code
+ */
+static errno_t ui_pbutton_paint_gfx(ui_pbutton_t *pbutton)
 {
         gfx_coord2_t pos;
         gfx_text_fmt_t fmt;
         gfx_rect_t rect;
+        gfx_rect_t irect;
         gfx_coord_t thickness;
+        gfx_color_t *color;
         bool depressed;
         errno_t rc;
@@ -261 +361 @@
         rect.p1.y = pbutton->rect.p1.y - thickness;
 
-        rc = gfx_set_color(pbutton->res->gc, pbutton->res->btn_face_color);
+        color = pbutton->light ? pbutton->res->btn_face_lit_color :
+            pbutton->res->btn_face_color;
+
+        rc = gfx_set_color(pbutton->res->gc, color);
         if (rc != EOK)
                 goto error;
 
         rc = gfx_fill_rect(pbutton->res->gc, &rect);
-        if (rc != EOK)
-                goto error;
-
-        rc = gfx_set_color(pbutton->res->gc, pbutton->res->btn_text_color);
         if (rc != EOK)
                 goto error;
@@ -282 +381 @@
         }
 
-        gfx_text_fmt_init(&fmt);
-        fmt.halign = gfx_halign_center;
-        fmt.valign = gfx_valign_center;
-
-        rc = gfx_puttext(pbutton->res->font, &pos, &fmt, pbutton->caption);
-        if (rc != EOK)
-                goto error;
+        if (pbutton->ops != NULL && pbutton->ops->decor_paint != NULL) {
+                /* Custom decoration */
+                rc = pbutton->ops->decor_paint(pbutton, pbutton->ops_arg,
+                    &pos);
+                if (rc != EOK)
+                        goto error;
+        } else {
+                /* Text decoration */
+                ui_paint_get_inset_frame_inside(pbutton->res, &rect, &irect);
+                gfx_text_fmt_init(&fmt);
+                fmt.font = pbutton->res->font;
+                fmt.color = pbutton->res->btn_text_color;
+                fmt.halign = gfx_halign_center;
+                fmt.valign = gfx_valign_center;
+                fmt.abbreviate = true;
+                fmt.width = irect.p1.x - irect.p0.x - 2 * ui_pb_pad_x;
+
+                rc = gfx_puttext(&pos, &fmt, pbutton->caption);
+                if (rc != EOK)
+                        goto error;
+        }
 
         rc = ui_pbutton_paint_frame(pbutton);
@@ -304 +417 @@
         }
 
+        rc = gfx_update(pbutton->res->gc);
+        if (rc != EOK)
+                goto error;
+
         return EOK;
 error:
@@ -309 +426 @@
 }
 
+/** Paint push button in text mode.
+ *
+ * @param pbutton Push button
+ * @return EOK on success or an error code
+ */
+static errno_t ui_pbutton_paint_text(ui_pbutton_t *pbutton)
+{
+        gfx_coord2_t pos;
+        gfx_text_fmt_t fmt;
+        gfx_rect_t rect;
+        bool depressed;
+        errno_t rc;
+
+        if ((pbutton->flags & ui_pbf_no_text_depress) == 0)
+                depressed = pbutton->held && pbutton->inside;
+        else
+                depressed = false;
+
+        rc = gfx_set_color(pbutton->res->gc, pbutton->res->wnd_face_color);
+        if (rc != EOK)
+                goto error;
+
+        rc = gfx_fill_rect(pbutton->res->gc, &pbutton->rect);
+        if (rc != EOK)
+                goto error;
+
+        rect.p0.x = pbutton->rect.p0.x + (depressed ? 1 : 0);
+        rect.p0.y = pbutton->rect.p0.y;
+        rect.p1.x = pbutton->rect.p1.x - 1 + (depressed ? 1 : 0);
+        rect.p1.y = pbutton->rect.p0.y + 1;
+
+        rc = gfx_set_color(pbutton->res->gc, pbutton->res->btn_face_color);
+        if (rc != EOK)
+                goto error;
+
+        rc = gfx_fill_rect(pbutton->res->gc, &rect);
+        if (rc != EOK)
+                goto error;
+
+        /* Center of button rectangle */
+        pos.x = (rect.p0.x + rect.p1.x) / 2;
+        pos.y = (rect.p0.y + rect.p1.y) / 2;
+
+        gfx_text_fmt_init(&fmt);
+        fmt.font = pbutton->res->font;
+        fmt.color = pbutton->res->btn_text_color;
+        fmt.halign = gfx_halign_center;
+        fmt.valign = gfx_valign_center;
+        fmt.abbreviate = true;
+        fmt.width = rect.p1.x - rect.p0.x - 2 * ui_pb_pad_x_text;
+        if (fmt.width < 1)
+                fmt.width = 1;
+
+        rc = gfx_puttext(&pos, &fmt, pbutton->caption);
+        if (rc != EOK)
+                goto error;
+
+        if (!depressed) {
+                rc = ui_pbutton_paint_text_shadow(pbutton);
+                if (rc != EOK)
+                        goto error;
+        }
+
+        rc = gfx_update(pbutton->res->gc);
+        if (rc != EOK)
+                goto error;
+
+        return EOK;
+error:
+        return rc;
+}
+
+/** Paint push button.
+ *
+ * @param pbutton Push button
+ * @return EOK on success or an error code
+ */
+errno_t ui_pbutton_paint(ui_pbutton_t *pbutton)
+{
+        if (pbutton->ops != NULL && pbutton->ops->paint != NULL) {
+                /* Custom paint routine */
+                return pbutton->ops->paint(pbutton, pbutton->ops_arg);
+        } else if (pbutton->res->textmode) {
+                return ui_pbutton_paint_text(pbutton);
+        } else {
+                return ui_pbutton_paint_gfx(pbutton);
+        }
+}
+
 /** Press down button.
  *
@@ -321 +527 @@
         pbutton->held = true;
         (void) ui_pbutton_paint(pbutton);
+        ui_pbutton_down(pbutton);
 }
 
@@ -333 +540 @@
 
         pbutton->held = false;
+        ui_pbutton_up(pbutton);
 
         if (pbutton->inside) {
@@ -368 +576 @@
 }
 
-/** Button was clicked.
+/** Send button clicked event.
  *
  * @param pbutton Push button
@@ -376 +584 @@
         if (pbutton->cb != NULL && pbutton->cb->clicked != NULL)
                 pbutton->cb->clicked(pbutton, pbutton->arg);
+}
+
+/** Send button down event.
+ *
+ * @param pbutton Push button
+ */
+void ui_pbutton_down(ui_pbutton_t *pbutton)
+{
+        if (pbutton->cb != NULL && pbutton->cb->down != NULL)
+                pbutton->cb->down(pbutton, pbutton->arg);
+}
+
+/** Send button up event.
+ *
+ * @param pbutton Push button
+ */
+void ui_pbutton_up(ui_pbutton_t *pbutton)
+{
+        if (pbutton->cb != NULL && pbutton->cb->up != NULL)
+                pbutton->cb->up(pbutton, pbutton->arg);
 }
 
@@ -415 +643 @@
                 }
                 break;
+        case POS_DCLICK:
+                break;
         }