/**************************************************************************
*
* Tint2 : area
-*
+*
* Copyright (C) 2008 thierry lorthiois (lorthiois@bbsoft.fr)
-*
+*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <glib.h>
+#include <pango/pangocairo.h>
-#include "window.h"
-#include "server.h"
#include "area.h"
+#include "server.h"
+#include "panel.h"
+
+// 1) resize child
+// 2) resize parent
+// 3) redraw parent
+// 4) redraw child
+void refresh (Area *a)
+{
+ // don't draw and resize hide objects
+ if (!a->on_screen) return;
+
+ size(a);
+
+ // don't draw transparent objects (without foreground and without background)
+
+ if (a->redraw) {
+ a->redraw = 0;
+ //printf("draw area posx %d, width %d\n", a->posx, a->width);
+ draw(a, 0);
+ if (a->use_active)
+ draw(a, 1);
+ }
+
+ // draw current Area
+ Pixmap *pmap = (a->is_active == 0) ? (&a->pix.pmap) : (&a->pix_active.pmap);
+ if (*pmap == 0) printf("empty area posx %d, width %d\n", a->posx, a->width);
+ XCopyArea (server.dsp, *pmap, ((Panel *)a->panel)->temp_pmap, server.gc, 0, 0, a->width, a->height, a->posx, a->posy);
+
+ // and then refresh child object
+ GSList *l;
+ for (l = a->list; l ; l = l->next)
+ refresh(l->data);
+}
-void redraw (Area *a)
+void size (Area *a)
+{
+ GSList *l;
+
+ if (a->resize) {
+ a->resize = 0;
+ for (l = a->list; l ; l = l->next)
+ size(l->data);
+
+ // resize can generate a redraw
+ if (a->_resize) {
+ a->_resize(a);
+ }
+ }
+}
+
+
+void set_redraw (Area *a)
{
a->redraw = 1;
-
+
GSList *l;
- for (l = a->list ; l ; l = l->next)
- redraw(l->data);
+ for (l = a->list ; l ; l = l->next)
+ set_redraw(l->data);
}
-int draw (Area *a)
+void draw (Area *a, int active)
{
- cairo_surface_t *cs;
- cairo_t *c;
- int ret = 0;
+ Pixmap *pmap = (active == 0) ? (&a->pix.pmap) : (&a->pix_active.pmap);
- if (a->redraw) {
- //printf("begin draw area\n");
- if (a->pmap) XFreePixmap (server.dsp, a->pmap);
- a->pmap = server_create_pixmap (a->width, a->height);
+ if (*pmap) XFreePixmap (server.dsp, *pmap);
+ *pmap = XCreatePixmap (server.dsp, server.root_win, a->width, a->height, server.depth);
- // add layer of root pixmap
- XCopyArea (server.dsp, server.pmap, a->pmap, server.gc, a->posx, a->posy, a->width, a->height, 0, 0);
+ // add layer of root pixmap
+ XCopyArea (server.dsp, ((Panel *)a->panel)->temp_pmap, *pmap, server.gc, a->posx, a->posy, a->width, a->height, 0, 0);
- cs = cairo_xlib_surface_create (server.dsp, a->pmap, server.visual, a->width, a->height);
- c = cairo_create (cs);
+ cairo_surface_t *cs;
+ cairo_t *c;
- draw_background (a, c);
-
- if (a->draw_foreground)
- ret = a->draw_foreground(a, c);
+ cs = cairo_xlib_surface_create (server.dsp, *pmap, server.visual, a->width, a->height);
+ c = cairo_create (cs);
- cairo_destroy (c);
- cairo_surface_destroy (cs);
- a->redraw = 0;
- }
-
- XCopyArea (server.dsp, a->pmap, server.pmap, server.gc, 0, 0, a->width, a->height, a->posx, a->posy);
-
- GSList *l = a->list;
- if (l) {
- // draw child object
- for (; l ; l = l->next)
- draw(l->data);
- }
+ draw_background (a, c, active);
+
+ if (a->_draw_foreground)
+ a->_draw_foreground(a, c, active);
- //printf("end draw area\n");
- return ret;
+ cairo_destroy (c);
+ cairo_surface_destroy (cs);
}
-void draw_background (Area *a, cairo_t *c)
+void draw_background (Area *a, cairo_t *c, int active)
{
- if (a->back.alpha > 0.0) {
- //printf(" draw_background %d %d\n", a->width, a->height);
- draw_rect(c, a->border.width, a->border.width, a->width-(2.0 * a->border.width), a->height-(2.0*a->border.width), a->border.rounded - a->border.width/1.571);
- /*
- double x0, y0, x1, y1;
- x0 = 0;
- y0 = 100;
- x1 = 100;
- y1 = 0;
-
- cairo_pattern_t *linpat;
- cairo_matrix_t matrix;
- linpat = cairo_pattern_create_linear (x0, y0, x1, y1);
+ Pmap *pix = (active == 0) ? (&a->pix) : (&a->pix_active);
+
+ if (pix->back.alpha > 0.0) {
+ //printf(" draw_background (%d %d) RGBA (%lf, %lf, %lf, %lf)\n", a->posx, a->posy, pix->back.color[0], pix->back.color[1], pix->back.color[2], pix->back.alpha);
+ draw_rect(c, pix->border.width, pix->border.width, a->width-(2.0 * pix->border.width), a->height-(2.0*pix->border.width), pix->border.rounded - pix->border.width/1.571);
+ cairo_set_source_rgba(c, pix->back.color[0], pix->back.color[1], pix->back.color[2], pix->back.alpha);
- cairo_pattern_add_color_stop_rgba (linpat, 0, a->back.color[0], a->back.color[1], a->back.color[2], a->back.alpha);
- cairo_pattern_add_color_stop_rgba (linpat, 1, a->back.color[0], a->back.color[1], a->back.color[2], 0);
- //cairo_matrix_init_scale (&matrix, a->height, a->width);
- //cairo_pattern_set_matrix (linpat, &matrix);
- cairo_set_source (c, linpat);
- */
- cairo_set_source_rgba(c, a->back.color[0], a->back.color[1], a->back.color[2], a->back.alpha);
-
cairo_fill(c);
- //cairo_pattern_destroy (linpat);
}
- if (a->border.width > 0 && a->border.alpha > 0.0) {
- cairo_set_line_width (c, a->border.width);
+ if (pix->border.width > 0 && pix->border.alpha > 0.0) {
+ cairo_set_line_width (c, pix->border.width);
// draw border inside (x, y, width, height)
- draw_rect(c, a->border.width/2.0, a->border.width/2.0, a->width - a->border.width, a->height - a->border.width, a->border.rounded);
+ draw_rect(c, pix->border.width/2.0, pix->border.width/2.0, a->width - pix->border.width, a->height - pix->border.width, pix->border.rounded);
/*
// convert : radian = degre * M_PI/180
// définir le dégradé dans un carré de (0,0) (100,100)
degre = 45;
// et ensuite faire la changement d'unité du repère
// car ce qui doit resté inchangée est les traits et pas la direction
-
+
// il faut d'abord appliquer une rotation de 90° (et -180° si l'angle est supérieur à 180°)
// ceci peut être appliqué une fois pour toute au départ
// ensuite calculer l'angle dans le nouveau repère
x1 = X1 * ((double)a->width / 100);
y0 = Y0 * ((double)a->height / 100);
y1 = Y1 * ((double)a->height / 100);
-
+
x0 = X0 * ((double)a->height / 100);
x1 = X1 * ((double)a->height / 100);
y0 = Y0 * ((double)a->width / 100);
y1 = Y1 * ((double)a->width / 100);
- printf("repère (%d, %d) points (%lf, %lf) (%lf, %lf)\n", a->width, a->height, x0, y0, x1, y1);
-
+
cairo_pattern_t *linpat;
linpat = cairo_pattern_create_linear (x0, y0, x1, y1);
cairo_pattern_add_color_stop_rgba (linpat, 0, a->border.color[0], a->border.color[1], a->border.color[2], a->border.alpha);
cairo_pattern_add_color_stop_rgba (linpat, 1, a->border.color[0], a->border.color[1], a->border.color[2], 0);
cairo_set_source (c, linpat);
*/
- cairo_set_source_rgba (c, a->border.color[0], a->border.color[1], a->border.color[2], a->border.alpha);
-
+ cairo_set_source_rgba (c, pix->border.color[0], pix->border.color[1], pix->border.color[2], pix->border.alpha);
+
cairo_stroke (c);
//cairo_pattern_destroy (linpat);
}
void remove_area (Area *a)
{
- Area *parent;
-
- parent = (Area*)a->parent;
+ Area *parent = (Area*)a->parent;
+
parent->list = g_slist_remove(parent->list, a);
- redraw (parent);
+ set_redraw (parent);
}
void add_area (Area *a)
{
- Area *parent;
-
- parent = (Area*)a->parent;
+ Area *parent = (Area*)a->parent;
+
parent->list = g_slist_remove(parent->list, a);
- redraw (parent);
+ set_redraw (parent);
}
void free_area (Area *a)
{
GSList *l0;
- for (l0 = a->list; l0 ; l0 = l0->next)
+ for (l0 = a->list; l0 ; l0 = l0->next)
free_area (l0->data);
if (a->list) {
g_slist_free(a->list);
- a->list = 0;
+ a->list = 0;
}
+ if (a->pix.pmap) {
+ XFreePixmap (server.dsp, a->pix.pmap);
+ a->pix.pmap = 0;
+ }
+ if (a->pix_active.pmap) {
+ XFreePixmap (server.dsp, a->pix_active.pmap);
+ a->pix_active.pmap = 0;
+ }
}
+
+void draw_rect(cairo_t *c, double x, double y, double w, double h, double r)
+{
+ if (r > 0.0) {
+ double c1 = 0.55228475 * r;
+
+ cairo_move_to(c, x+r, y);
+ cairo_rel_line_to(c, w-2*r, 0);
+ cairo_rel_curve_to(c, c1, 0.0, r, c1, r, r);
+ cairo_rel_line_to(c, 0, h-2*r);
+ cairo_rel_curve_to(c, 0.0, c1, c1-r, r, -r, r);
+ cairo_rel_line_to (c, -w +2*r, 0);
+ cairo_rel_curve_to (c, -c1, 0, -r, -c1, -r, -r);
+ cairo_rel_line_to (c, 0, -h + 2 * r);
+ cairo_rel_curve_to (c, 0, -c1, r - c1, -r, r, -r);
+ }
+ else
+ cairo_rectangle(c, x, y, w, h);
+}
+
+