void *dt_control_expose(void *voidptr)
{
int width, height, pointerx, pointery;
if(!darktable.gui->surface) return NULL;
width = dt_cairo_image_surface_get_width(darktable.gui->surface);
height = dt_cairo_image_surface_get_height(darktable.gui->surface);
GtkWidget *widget = dt_ui_center(darktable.gui->ui);
GdkDevice *device
= gdk_device_manager_get_client_pointer(gdk_display_get_device_manager(gtk_widget_get_display(widget)));
gdk_window_get_device_position(gtk_widget_get_window(widget), device, &pointerx, &pointery, NULL);
// create a gtk-independent surface to draw on
cairo_surface_t *cst = dt_cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
cairo_t *cr = cairo_create(cst);
// TODO: control_expose: only redraw the part not overlapped by temporary control panel show!
//
float tb = 8; // fmaxf(10, width/100.0);
darktable.control->tabborder = tb;
darktable.control->width = width;
darktable.control->height = height;
GdkRGBA color;
GtkStyleContext *context = gtk_widget_get_style_context(widget);
gboolean color_found = gtk_style_context_lookup_color (context, "bg_color", &color);
if(!color_found)
{
color.red = 1.0;
color.green = 0.0;
color.blue = 0.0;
color.alpha = 1.0;
}
gdk_cairo_set_source_rgba(cr, &color);
cairo_set_line_width(cr, tb);
cairo_rectangle(cr, tb / 2., tb / 2., width - tb, height - tb);
cairo_stroke(cr);
cairo_set_line_width(cr, 1.5);
color_found = gtk_style_context_lookup_color (context, "really_dark_bg_color", &color);
if(!color_found)
{
color.red = 1.0;
color.green = 0.0;
color.blue = 0.0;
color.alpha = 1.0;
}
gdk_cairo_set_source_rgba(cr, &color);
cairo_rectangle(cr, tb, tb, width - 2 * tb, height - 2 * tb);
cairo_stroke(cr);
cairo_save(cr);
cairo_translate(cr, tb, tb);
cairo_rectangle(cr, 0, 0, width - 2 * tb, height - 2 * tb);
cairo_clip(cr);
cairo_new_path(cr);
// draw view
dt_view_manager_expose(darktable.view_manager, cr, width - 2 * tb, height - 2 * tb, pointerx - tb,
pointery - tb);
cairo_restore(cr);
// draw log message, if any
dt_pthread_mutex_lock(&darktable.control->log_mutex);
if(darktable.control->log_ack != darktable.control->log_pos)
{
PangoRectangle ink;
PangoLayout *layout;
PangoFontDescription *desc = pango_font_description_copy_static(darktable.bauhaus->pango_font_desc);
const float fontsize = DT_PIXEL_APPLY_DPI(14);
pango_font_description_set_absolute_size(desc, fontsize * PANGO_SCALE);
pango_font_description_set_weight(desc, PANGO_WEIGHT_BOLD);
layout = pango_cairo_create_layout(cr);
pango_layout_set_font_description(layout, desc);
pango_layout_set_text(layout, darktable.control->log_message[darktable.control->log_ack], -1);
pango_layout_get_pixel_extents(layout, &ink, NULL);
const float pad = DT_PIXEL_APPLY_DPI(20.0f), xc = width / 2.0;
const float yc = height * 0.85 + DT_PIXEL_APPLY_DPI(10), wd = pad + ink.width * .5f;
float rad = DT_PIXEL_APPLY_DPI(14);
cairo_set_line_width(cr, 1.);
cairo_move_to(cr, xc - wd, yc + rad);
for(int k = 0; k < 5; k++)
{
cairo_arc(cr, xc - wd, yc, rad, M_PI / 2.0, 3.0 / 2.0 * M_PI);
cairo_line_to(cr, xc + wd, yc - rad);
cairo_arc(cr, xc + wd, yc, rad, 3.0 * M_PI / 2.0, M_PI / 2.0);
cairo_line_to(cr, xc - wd, yc + rad);
if(k == 0)
{
color_found = gtk_style_context_lookup_color (context, "selected_bg_color", &color);
if(!color_found)
{
color.red = 1.0;
color.green = 0.0;
color.blue = 0.0;
color.alpha = 1.0;
}
gdk_cairo_set_source_rgba(cr, &color);
cairo_fill_preserve(cr);
}
cairo_set_source_rgba(cr, 0., 0., 0., 1.0 / (1 + k));
cairo_stroke(cr);
rad += .5f;
}
color_found = gtk_style_context_lookup_color (context, "fg_color", &color);
if(!color_found)
{
color.red = 1.0;
color.green = 0.0;
color.blue = 0.0;
color.alpha = 1.0;
}
gdk_cairo_set_source_rgba(cr, &color);
cairo_move_to(cr, xc - wd + .5f * pad, (yc + 1. / 3. * fontsize) - fontsize);
pango_cairo_show_layout(cr, layout);
pango_font_description_free(desc);
g_object_unref(layout);
}
// draw busy indicator
if(darktable.control->log_busy > 0)
{
PangoRectangle ink;
PangoLayout *layout;
PangoFontDescription *desc = pango_font_description_copy_static(darktable.bauhaus->pango_font_desc);
const float fontsize = DT_PIXEL_APPLY_DPI(14);
pango_font_description_set_absolute_size(desc, fontsize * PANGO_SCALE);
pango_font_description_set_weight(desc, PANGO_WEIGHT_BOLD);
layout = pango_cairo_create_layout(cr);
pango_layout_set_font_description(layout, desc);
pango_layout_set_text(layout, _("working.."), -1);
pango_layout_get_pixel_extents(layout, &ink, NULL);
const float xc = width / 2.0, yc = height * 0.85 - DT_PIXEL_APPLY_DPI(30), wd = ink.width * .5f;
cairo_move_to(cr, xc - wd, yc + 1. / 3. * fontsize - fontsize);
pango_cairo_layout_path(cr, layout);
cairo_set_source_rgb(cr, 0.7, 0.7, 0.7);
cairo_fill_preserve(cr);
cairo_set_line_width(cr, 0.7);
cairo_set_source_rgb(cr, 0.3, 0.3, 0.3);
cairo_stroke(cr);
pango_font_description_free(desc);
g_object_unref(layout);
}
dt_pthread_mutex_unlock(&darktable.control->log_mutex);
cairo_destroy(cr);
cairo_t *cr_pixmap = cairo_create(darktable.gui->surface);
cairo_set_source_surface(cr_pixmap, cst, 0, 0);
cairo_paint(cr_pixmap);
cairo_destroy(cr_pixmap);
cairo_surface_destroy(cst);
return NULL;
}
void *dt_control_expose(void *voidptr)
{
int width, height, pointerx, pointery;
if(!darktable.gui->surface) return NULL;
width = cairo_image_surface_get_width(darktable.gui->surface);
height = cairo_image_surface_get_height(darktable.gui->surface);
GtkWidget *widget = dt_ui_center(darktable.gui->ui);
gtk_widget_get_pointer(widget, &pointerx, &pointery);
//create a gtk-independent surface to draw on
cairo_surface_t *cst = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
cairo_t *cr = cairo_create(cst);
// TODO: control_expose: only redraw the part not overlapped by temporary control panel show!
//
float tb = 8;//fmaxf(10, width/100.0);
darktable.control->tabborder = tb;
darktable.control->width = width;
darktable.control->height = height;
GtkStyle *style = gtk_widget_get_style(widget);
cairo_set_source_rgb (cr,
style->bg[GTK_STATE_NORMAL].red/65535.0,
style->bg[GTK_STATE_NORMAL].green/65535.0,
style->bg[GTK_STATE_NORMAL].blue/65535.0
);
cairo_set_line_width(cr, tb);
cairo_rectangle(cr, tb/2., tb/2., width-tb, height-tb);
cairo_stroke(cr);
cairo_set_line_width(cr, 1.5);
cairo_set_source_rgb (cr, .1, .1, .1);
cairo_rectangle(cr, tb, tb, width-2*tb, height-2*tb);
cairo_stroke(cr);
cairo_save(cr);
cairo_translate(cr, tb, tb);
cairo_rectangle(cr, 0, 0, width - 2*tb, height - 2*tb);
cairo_clip(cr);
cairo_new_path(cr);
// draw view
dt_view_manager_expose(darktable.view_manager, cr, width-2*tb, height-2*tb,
pointerx-tb, pointery-tb);
cairo_restore(cr);
// draw status bar, if any
if(darktable.control->progress < 100.0)
{
tb = fmaxf(20, width/40.0);
char num[10];
cairo_rectangle(cr, width*0.4, height*0.85,
width*0.2*darktable.control->progress/100.0f, tb);
cairo_fill(cr);
cairo_set_source_rgb(cr, 0., 0., 0.);
cairo_rectangle(cr, width*0.4, height*0.85, width*0.2, tb);
cairo_stroke(cr);
cairo_set_source_rgb(cr, 0.9, 0.9, 0.9);
cairo_select_font_face (cr, "sans-serif", CAIRO_FONT_SLANT_NORMAL,
CAIRO_FONT_WEIGHT_BOLD);
cairo_set_font_size (cr, tb/3);
cairo_move_to (cr, width/2.0-10, height*0.85+2.*tb/3.);
snprintf(num, sizeof(num), "%d%%", (int)darktable.control->progress);
cairo_show_text (cr, num);
}
// draw log message, if any
dt_pthread_mutex_lock(&darktable.control->log_mutex);
if(darktable.control->log_ack != darktable.control->log_pos)
{
cairo_select_font_face (cr, "sans-serif", CAIRO_FONT_SLANT_NORMAL,
CAIRO_FONT_WEIGHT_BOLD);
const float fontsize = 14;
cairo_set_font_size (cr, fontsize);
cairo_text_extents_t ext;
cairo_text_extents (cr,
darktable.control->log_message[darktable.control->log_ack], &ext);
const float pad = 20.0f, xc = width/2.0;
const float yc = height*0.85+10, wd = pad + ext.width*.5f;
float rad = 14;
cairo_set_line_width(cr, 1.);
cairo_move_to( cr, xc-wd,yc+rad);
for(int k=0; k<5; k++)
{
cairo_arc (cr, xc-wd, yc, rad, M_PI/2.0, 3.0/2.0*M_PI);
cairo_line_to (cr, xc+wd, yc-rad);
cairo_arc (cr, xc+wd, yc, rad, 3.0*M_PI/2.0, M_PI/2.0);
cairo_line_to (cr, xc-wd, yc+rad);
if(k == 0)
{
cairo_set_source_rgb(cr, 0.3, 0.3, 0.3);
cairo_fill_preserve (cr);
}
cairo_set_source_rgba(cr, 0., 0., 0., 1.0/(1+k));
cairo_stroke (cr);
rad += .5f;
}
cairo_set_source_rgb(cr, 0.7, 0.7, 0.7);
cairo_move_to (cr, xc-wd+.5f*pad, yc + 1./3.*fontsize);
cairo_show_text (cr,
darktable.control->log_message[darktable.control->log_ack]);
}
// draw busy indicator
if(darktable.control->log_busy > 0)
{
cairo_select_font_face (cr, "sans-serif", CAIRO_FONT_SLANT_NORMAL,
CAIRO_FONT_WEIGHT_BOLD);
const float fontsize = 14;
cairo_set_font_size (cr, fontsize);
cairo_text_extents_t ext;
cairo_text_extents (cr, _("working.."), &ext);
const float xc = width/2.0, yc = height*0.85-30, wd = ext.width*.5f;
cairo_move_to (cr, xc-wd, yc + 1./3.*fontsize);
cairo_text_path (cr, _("working.."));
cairo_set_source_rgb(cr, 0.7, 0.7, 0.7);
cairo_fill_preserve(cr);
cairo_set_line_width(cr, 0.7);
cairo_set_source_rgb(cr, 0.3, 0.3, 0.3);
cairo_stroke(cr);
}
dt_pthread_mutex_unlock(&darktable.control->log_mutex);
cairo_destroy(cr);
cairo_t *cr_pixmap = cairo_create(darktable.gui->surface);
cairo_set_source_surface (cr_pixmap, cst, 0, 0);
cairo_paint(cr_pixmap);
cairo_destroy(cr_pixmap);
cairo_surface_destroy(cst);
return NULL;
}
