Revision fb2e489ace36782a23246a4b3fa6655375b1c23a authored by Ulrich Pegelow on 23 November 2012, 14:58:46 UTC, committed by Ulrich Pegelow on 23 November 2012, 14:58:46 UTC
they are heavily outdated. for the time being the english draft version must do.
1 parent 8ea5e74
bauhaus.c
/*
This file is part of darktable,
copyright (c) 2012 johannes hanika.
darktable is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
darktable is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with darktable. If not, see <http://www.gnu.org/licenses/>.
*/
#include "bauhaus/bauhaus.h"
#include "control/conf.h"
#include "common/darktable.h"
#include "develop/develop.h"
#include "gui/gtk.h"
#include <math.h>
#include <pango/pangocairo.h>
// define this to get boxes instead of arrow indicators, more like our previous version was:
// #define DT_BAUHAUS_OLD
// new type dt_bauhaus_widget_t, gtk functions start with dt_bh (so they don't collide with ours), we inherit from drawing area
G_DEFINE_TYPE (DtBauhausWidget, dt_bh, GTK_TYPE_DRAWING_AREA);
// fwd declare
static void dt_bauhaus_hide_popup();
static void dt_bauhaus_show_popup(dt_bauhaus_widget_t *w);
static gboolean
dt_bauhaus_popup_expose(GtkWidget *widget, GdkEventExpose *event, gpointer user_data);
static gboolean
dt_bauhaus_popup_key_press(GtkWidget *widget, GdkEventKey *event, gpointer user_data);
static void
dt_bauhaus_widget_accept(dt_bauhaus_widget_t *w);
static void
dt_bauhaus_widget_reject(dt_bauhaus_widget_t *w);
static gboolean
dt_bauhaus_root_motion_notify(GtkWidget *widget, GdkEventMotion *event, gpointer user_data);
static gboolean
dt_bauhaus_root_button_press(GtkWidget *widget, GdkEventButton *event, gpointer user_data);
static int
get_line_space()
{
return darktable.bauhaus->scale * darktable.bauhaus->line_space;
}
static int
get_line_height()
{
return darktable.bauhaus->scale * darktable.bauhaus->line_height;
}
#ifndef DT_BAUHAUS_OLD
static float
get_marker_size()
{
// will be fraction of the height, so doesn't depend on scale itself.
return darktable.bauhaus->marker_size;
}
#endif
// TODO: remove / make use of the pango font size / X height
static float
get_label_font_size()
{
return get_line_height() * darktable.bauhaus->label_font_size;
}
// TODO: remove / make use of the pango font size / X height
static float
get_value_font_size()
{
return get_line_height() * darktable.bauhaus->value_font_size;
}
static void
set_value_font(cairo_t *cr)
{
cairo_select_font_face (cr, darktable.bauhaus->value_font, CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
cairo_set_font_size (cr, get_value_font_size());
}
static void
set_bg_normal(cairo_t *cr)
{
cairo_set_source_rgb(cr,
darktable.bauhaus->bg_normal,
darktable.bauhaus->bg_normal,
darktable.bauhaus->bg_normal);
}
static void
set_bg_focus(cairo_t *cr)
{
cairo_set_source_rgb(cr,
darktable.bauhaus->bg_focus,
darktable.bauhaus->bg_focus,
darktable.bauhaus->bg_focus);
}
static void
set_text_color(cairo_t *cr, int sensitive)
{
if(sensitive)
cairo_set_source_rgb(cr,
darktable.bauhaus->text,
darktable.bauhaus->text,
darktable.bauhaus->text);
else
cairo_set_source_rgba(cr,
darktable.bauhaus->text,
darktable.bauhaus->text,
darktable.bauhaus->text,
darktable.bauhaus->insensitive);
}
static void
set_grid_color(cairo_t *cr, int sensitive)
{
if(sensitive)
cairo_set_source_rgb(cr,
darktable.bauhaus->grid,
darktable.bauhaus->grid,
darktable.bauhaus->grid);
else
cairo_set_source_rgba(cr,
darktable.bauhaus->grid,
darktable.bauhaus->grid,
darktable.bauhaus->grid,
darktable.bauhaus->insensitive);
}
static void
set_indicator_color(cairo_t *cr, int sensitive)
{
if(sensitive)
cairo_set_source_rgb(cr,
darktable.bauhaus->indicator,
darktable.bauhaus->indicator,
darktable.bauhaus->indicator);
else
cairo_set_source_rgba(cr,
darktable.bauhaus->indicator,
darktable.bauhaus->indicator,
darktable.bauhaus->indicator,
darktable.bauhaus->insensitive);
}
static int
show_pango_text(
cairo_t *cr,
char *text,
float x_pos,
float y_pos,
float max_width,
gboolean right_aligned,
gboolean sensitive,
gboolean indicator)
{
PangoLayout *layout;
layout = pango_cairo_create_layout(cr);
pango_layout_set_text(layout, text, -1);
pango_layout_set_font_description(layout, darktable.bauhaus->pango_font_desc);
pango_cairo_context_set_resolution(pango_layout_get_context(layout), darktable.gui->dpi);
int pango_width, pango_height;
pango_layout_get_size (layout, &pango_width, &pango_height);
float wd = pango_width/(float)PANGO_SCALE;
float ht = pango_height/(float)PANGO_SCALE;
if(right_aligned)
x_pos -= wd;
cairo_save(cr);
if(sensitive)
set_text_color(cr, sensitive);
if(indicator)
set_indicator_color(cr, 1);
if(max_width > 0)
{
cairo_move_to(cr, x_pos+wd-max_width, ht*.5);
cairo_line_to(cr, x_pos+wd-max_width+ht*.5f, ht+1);
cairo_line_to(cr, x_pos+wd+1, ht+1);
cairo_line_to(cr, x_pos+wd+1, -1);
cairo_line_to(cr, x_pos+wd-max_width+ht*.5f, -1);
cairo_close_path(cr);
// cairo_rectangle(cr, x_pos+wd-max_width, -50, max_width, 100.0);
cairo_clip(cr);
cairo_new_path(cr);
}
cairo_move_to(cr, x_pos, y_pos);
pango_cairo_show_layout(cr, layout);
g_object_unref(layout);
cairo_restore(cr);
return pango_width/(float)PANGO_SCALE;
}
// -------------------------------
static void
dt_bauhaus_slider_set_normalized(dt_bauhaus_widget_t *w, float pos);
static float
get_slider_line_offset(float pos, float scale, float x, float y, float ht, const int width)
{
// ht is in [0,1] scale here
const float l = 4.0f/width;
const float r = 1.0f-4.0f/width - ht;
float offset = 0.0f;
// handle linear startup and rescale y to fit the whole range again
if(y < ht)
{
offset = (x-l)/(r-l) - pos;
}
else
{
y -= ht;
y /= (1.0f-ht);
// x = y^2 * .5(1+off/scale) + (1-y^2)*(l + (pos+off)*(r-l))
// now find off given pos, y, and x:
// x - y^2*.5 - (1-y^2)*pos = y^2*.5f*off/scale + (1-y^2)off
// = off ((.5f/scale-1)*y^2 + 1)
// return (x - y*y*.5f - (1.0f-y*y)*pos)/((.5f/scale-1.f)*y*y + 1.0f);
offset = (x - y*y*.5f - (1.0f-y*y)*(l + pos*(r-l)))/(.5f*y*y/scale + (1.0f-y*y)*(r-l));
}
// clamp to result in a [0,1] range:
if(pos + offset > 1.0f) offset = 1.0f-pos;
if(pos + offset < 0.0f) offset = -pos;
return offset;
}
// draw a loupe guideline for the quadratic zoom in in the slider interface:
static void
draw_slider_line(cairo_t *cr, float pos, float off, float scale, const int width, const int height, const int ht)
{
// pos is normalized position [0,1], offset is on that scale.
// ht is in pixels here
const float l = 4.0f/width;
const float r = 1.0f-(ht+4.0f)/width;
const int steps = 64;
cairo_move_to(cr, width*(l + (pos+off)*(r-l)), ht*.7f);
cairo_line_to(cr, width*(l + (pos+off)*(r-l)), ht);
for(int j=1; j<steps; j++)
{
const float y = j/(steps-1.0f);
const float x = y*y*.5f*(1.f+off/scale) + (1.0f-y*y)*(l + (pos+off)*(r-l));
cairo_line_to(cr, x*width, ht + y*(height-ht));
}
}
// -------------------------------
// handlers on the root window, to close popup:
static gboolean
dt_bauhaus_root_motion_notify(GtkWidget *widget, GdkEventMotion *event, gpointer user_data)
{
if(darktable.bauhaus->current)
{
const float tol = 100;
gint wx, wy;
GtkWidget *widget = darktable.bauhaus->popup_window;
gdk_window_get_origin (gtk_widget_get_window (widget), &wx, &wy);
if(event->x_root > wx + widget->allocation.width + tol || event->y_root > wy + widget->allocation.height + tol ||
event->x_root < (int)wx - tol || event->y_root < (int)wy - tol)
{
dt_bauhaus_widget_reject(darktable.bauhaus->current);
dt_bauhaus_hide_popup();
}
return TRUE;
}
// make sure to propagate the event further
return FALSE;
}
static gboolean
dt_bauhaus_root_button_press(GtkWidget *wd, GdkEventButton *event, gpointer user_data)
{
if(darktable.bauhaus->current)
{
const float tol = 100;
gint wx, wy;
GtkWidget *widget = darktable.bauhaus->popup_window;
gdk_window_get_origin (gtk_widget_get_window (widget), &wx, &wy);
if((event->x_root > wx + widget->allocation.width + tol || event->y_root > wy + widget->allocation.height + tol ||
event->x_root < (int)wx - tol || event->y_root < (int)wy - tol))
{
dt_bauhaus_widget_reject(darktable.bauhaus->current);
dt_bauhaus_hide_popup();
return TRUE;
}
}
// make sure to propagate the event further
return FALSE;
}
static void
combobox_popup_scroll(int up)
{
gint wx, wy;
GtkWidget *w = GTK_WIDGET(darktable.bauhaus->current);
const int ht = w->allocation.height;
const int skip = ht + get_line_space();
gdk_window_get_origin (gtk_widget_get_window (w), &wx, &wy);
dt_bauhaus_combobox_data_t *d = &darktable.bauhaus->current->data.combobox;
if(up)
dt_bauhaus_combobox_set(w, CLAMP(d->active-1, 0, d->num_labels-1));
else
dt_bauhaus_combobox_set(w, CLAMP(d->active+1, 0, d->num_labels-1));
gdk_window_move(gtk_widget_get_window(darktable.bauhaus->popup_window), wx, wy - d->active * skip);
// make sure highlighted entry is updated:
darktable.bauhaus->mouse_x = 0;
darktable.bauhaus->mouse_y = d->active * skip + ht/2;
gtk_widget_queue_draw(darktable.bauhaus->popup_area);
}
static gboolean
dt_bauhaus_popup_scroll(GtkWidget *widget, GdkEventScroll *event, gpointer user_data)
{
gtk_widget_queue_draw(darktable.bauhaus->popup_area);
dt_bauhaus_widget_t *w = darktable.bauhaus->current;
switch(w->type)
{
case DT_BAUHAUS_COMBOBOX:
combobox_popup_scroll(event->direction == GDK_SCROLL_UP);
break;
case DT_BAUHAUS_SLIDER:
break;
default:
break;
}
return TRUE;
}
static gboolean
dt_bauhaus_popup_motion_notify(GtkWidget *widget, GdkEventMotion *event, gpointer user_data)
{
gtk_widget_queue_draw(darktable.bauhaus->popup_area);
dt_bauhaus_widget_t *w = darktable.bauhaus->current;
int width = darktable.bauhaus->popup_window->allocation.width, height = darktable.bauhaus->popup_window->allocation.height;
// coordinate transform is in vain because we're only ever called after a button release.
// that means the system is always the one of the popup.
// that also means that we can't have hovering combobox entries while still holding the button. :(
const float ex = event->x;
const float ey = event->y;
switch(w->type)
{
case DT_BAUHAUS_COMBOBOX:
darktable.bauhaus->mouse_x = ex;
darktable.bauhaus->mouse_y = ey;
break;
case DT_BAUHAUS_SLIDER:
{
dt_bauhaus_slider_data_t *d = &w->data.slider;
const float mouse_off = get_slider_line_offset(
d->oldpos, d->scale, ex/width,
ey/height, GTK_WIDGET(w)->allocation.height/(float)height,
widget->allocation.width);
if(!darktable.bauhaus->change_active)
{
if((darktable.bauhaus->mouse_line_distance < 0 && mouse_off > 0) ||
(darktable.bauhaus->mouse_line_distance > 0 && mouse_off < 0))
darktable.bauhaus->change_active = 1;
darktable.bauhaus->mouse_line_distance = mouse_off;
}
if(darktable.bauhaus->change_active)
{
// remember mouse position for motion effects in draw
darktable.bauhaus->mouse_x = ex;
darktable.bauhaus->mouse_y = ey;
dt_bauhaus_slider_set_normalized(w, d->oldpos + mouse_off);
}
}
break;
default:
break;
}
// throttling using motion hint:
// gdk_event_request_motions(event);
return TRUE;
}
static gboolean
dt_bauhaus_popup_leave_notify(GtkWidget *widget, GdkEventCrossing *event, gpointer user_data)
{
// all that doesn't seem to work (more events are created than necessary, exits at random
// during popup already etc.
#if 0
// if(event->x > widget->allocation.width + 20 || event->y > widget->allocation.height + 20 ||
// event->x < -20 || event->y < -20)
if(!event->state)
{
dt_bauhaus_widget_reject(darktable.bauhaus->current);
dt_bauhaus_hide_popup();
}
#endif
return TRUE;
}
static gboolean
dt_bauhaus_popup_button_release(GtkWidget *widget, GdkEventButton *event, gpointer user_data)
{
if(darktable.bauhaus->current &&
(darktable.bauhaus->current->type == DT_BAUHAUS_COMBOBOX) &&
(event->button == 1) && // only accept left mouse click
(dt_get_wtime() - darktable.bauhaus->opentime >= 0.250f)) // default gtk timeout for double-clicks
{
// event might be in wrong system, transform ourselves:
gint wx, wy, x, y;
gdk_window_get_origin (gtk_widget_get_window(darktable.bauhaus->popup_window), &wx, &wy);
GdkDisplay *display = gdk_display_get_default();
gdk_display_get_pointer(display, NULL, &x, &y, NULL);
darktable.bauhaus->end_mouse_x = x - wx;
darktable.bauhaus->end_mouse_y = y - wy;
dt_bauhaus_widget_accept(darktable.bauhaus->current);
dt_bauhaus_hide_popup();
}
return TRUE;
}
static gboolean
dt_bauhaus_popup_button_press(GtkWidget *widget, GdkEventButton *event, gpointer user_data)
{
if(event->button == 1)
{
if(darktable.bauhaus->current->type == DT_BAUHAUS_COMBOBOX &&
dt_get_wtime() - darktable.bauhaus->opentime < 0.250f) // default gtk timeout for double-clicks
{
// counts as double click, reset:
dt_bauhaus_combobox_data_t *d = &darktable.bauhaus->current->data.combobox;
dt_bauhaus_combobox_set(GTK_WIDGET(darktable.bauhaus->current), d->defpos);
dt_bauhaus_widget_reject(darktable.bauhaus->current);
}
else
{
// only accept left mouse click
darktable.bauhaus->end_mouse_x = event->x;
darktable.bauhaus->end_mouse_y = event->y;
dt_bauhaus_widget_accept(darktable.bauhaus->current);
}
}
else
{
dt_bauhaus_widget_reject(darktable.bauhaus->current);
}
dt_bauhaus_hide_popup();
return TRUE;
}
static void
window_show(GtkWidget *w, gpointer user_data)
{
/* grabbing might not succeed immediately... */
if (gdk_keyboard_grab(w->window, FALSE, GDK_CURRENT_TIME) != GDK_GRAB_SUCCESS)
{
// never happened so far:
/* ...wait a while and try again */
fprintf(stderr, "[bauhaus] failed to get keyboard focus for popup window!\n");
// struct timeval s;
// s.tv_sec = 0;
// s.tv_usec = 5000;
// select(0, NULL, NULL, NULL, &s);
// sched_yield();
}
}
static void
dt_bh_init(DtBauhausWidget *class)
{
// not sure if we want to use this instead of our code in *_new()
// TODO: the common code from bauhaus_widget_init() could go here.
}
static void
dt_bh_class_init(DtBauhausWidgetClass *class)
{
darktable.bauhaus->signals[DT_BAUHAUS_VALUE_CHANGED_SIGNAL] =
g_signal_new ("value-changed",
G_TYPE_FROM_CLASS (class),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL,
g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
darktable.bauhaus->signals[DT_BAUHAUS_QUAD_PRESSED_SIGNAL] =
g_signal_new ("quad-pressed",
G_TYPE_FROM_CLASS (class),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL,
g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
// TODO: could init callbacks once per class for more efficiency:
// GtkWidgetClass *widget_class;
// widget_class = GTK_WIDGET_CLASS (class);
// widget_class->expose_event = dt_bauhaus_expose;
}
static int
guess_font_size()
{
const int def = 8;
const char *gtkrc_filename = getenv("GTK2_RC_FILES");
if(!gtkrc_filename) return def;
FILE *f = fopen(gtkrc_filename, "rb");
if(!f) return def;
char line[256];
while(!feof(f))
{
int read = fscanf(f, "%[^\n]\n", line);
if(read > 0)
{
char *c = line;
while(*c == ' ' || *c == '\t') c++;
if(!strncmp(c, "font_name", 9))
{
// skip all to = then second " (end)
while(*c != '=' && *c != 0) c++;
while(*c != '"' && *c != 0) c++;
if(*c != 0) c++;
while(*c != '"' && *c != 0) c++;
// back to last space
while(*c != ' ' && c > line) c--;
if(*c == ' ' && c != line)
{
int fontsize = (int)atol(c);
// fprintf(stderr, "[bauhaus] guessing gtk font size of %d pt\n", fontsize);
fclose(f);
if(fontsize > 0) return fontsize;
}
fclose(f);
return def;
}
}
}
fclose(f);
return def;
}
void
dt_bauhaus_init()
{
darktable.bauhaus = (dt_bauhaus_t *)malloc(sizeof(dt_bauhaus_t));
memset(darktable.bauhaus, 0, sizeof(dt_bauhaus_t));
darktable.bauhaus->keys_cnt = 0;
darktable.bauhaus->current = NULL;
darktable.bauhaus->popup_area = gtk_drawing_area_new();
// connect signal to eventually clean up our popup if we go too far away and such:
GtkWidget *root_window = dt_ui_main_window(darktable.gui->ui);
g_signal_connect (G_OBJECT (root_window), "motion-notify-event",
G_CALLBACK (dt_bauhaus_root_motion_notify), (gpointer)NULL);
g_signal_connect (G_OBJECT (root_window), "button-press-event",
G_CALLBACK (dt_bauhaus_root_button_press), (gpointer)NULL);
darktable.bauhaus->line_space = 2;
darktable.bauhaus->line_height = 11;
darktable.bauhaus->marker_size = 0.3f;
darktable.bauhaus->label_font_size = 0.6f;
darktable.bauhaus->value_font_size = 0.6f;
strncpy(darktable.bauhaus->label_font, "sans", 256);
strncpy(darktable.bauhaus->value_font, "sans", 256);
darktable.bauhaus->bg_normal = 0.145098f;
darktable.bauhaus->bg_focus = 0.207843f;
darktable.bauhaus->text = .792f;
darktable.bauhaus->grid = .1f;
darktable.bauhaus->indicator = .6f;
darktable.bauhaus->insensitive = 0.2f;
// it seems impossible to get to the font size in a portable way (gtk3 deprecates GtkStyle..),
// so we parse it ourselves and convert it from pt to scale (.. :( )
int gtk_fontsize = guess_font_size();
// now create the pango description for the strings using the font and size found above
gchar *font = g_strdup_printf("%s %d", darktable.bauhaus->label_font, gtk_fontsize);
darktable.bauhaus->pango_font_desc = pango_font_description_from_string(font);
g_free(font);
PangoLayout *layout;
cairo_surface_t *cst = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 128, 128);
cairo_t *cr = cairo_create(cst);
layout = pango_cairo_create_layout(cr);
pango_layout_set_text(layout, "X", -1);
pango_layout_set_font_description(layout, darktable.bauhaus->pango_font_desc);
pango_cairo_context_set_resolution(pango_layout_get_context(layout), darktable.gui->dpi);
int pango_width, pango_height;
pango_layout_get_size (layout, &pango_width, &pango_height);
g_object_unref(layout);
cairo_destroy(cr);
cairo_surface_destroy(cst);
darktable.bauhaus->scale = (pango_height+0.0f)/PANGO_SCALE/8.5f;
darktable.bauhaus->widget_space = 2.5f*darktable.bauhaus->scale;
// keys are freed with g_free, values are ptrs to the widgets, these don't need to be cleaned up.
darktable.bauhaus->keymap = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, NULL);
darktable.bauhaus->key_mod = NULL;
darktable.bauhaus->key_val = NULL;
memset(darktable.bauhaus->key_history, 0, sizeof(darktable.bauhaus->key_history));
// this easily gets keyboard input:
// darktable.bauhaus->popup_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
// but this doesn't flicker, and the above hack with key input seems to work well.
darktable.bauhaus->popup_window = gtk_window_new(GTK_WINDOW_POPUP);
// this is needed for popup, not for toplevel.
// since popup_area gets the focus if we show the window, this is all
// we need.
dt_gui_key_accel_block_on_focus(darktable.bauhaus->popup_area);
gtk_widget_set_size_request(darktable.bauhaus->popup_area, 300, 300);
gtk_window_set_resizable(GTK_WINDOW(darktable.bauhaus->popup_window), FALSE);
gtk_window_set_default_size(GTK_WINDOW(darktable.bauhaus->popup_window), 260, 260);
// gtk_window_set_modal(GTK_WINDOW(c->popup_window), TRUE);
// gtk_window_set_decorated(GTK_WINDOW(c->popup_window), FALSE);
// for pie menue:
// gtk_window_set_position(GTK_WINDOW(c->popup_window), GTK_WIN_POS_MOUSE);// | GTK_WIN_POS_CENTER);
// gtk_window_set_keep_above isn't enough on OS X
gtk_window_set_transient_for(GTK_WINDOW(darktable.bauhaus->popup_window), GTK_WINDOW(dt_ui_main_window(darktable.gui->ui)));
gtk_container_add(GTK_CONTAINER(darktable.bauhaus->popup_window), darktable.bauhaus->popup_area);
// gtk_window_set_title(GTK_WINDOW(c->popup_window), _("dtgtk control popup"));
gtk_window_set_keep_above(GTK_WINDOW(darktable.bauhaus->popup_window), TRUE);
gtk_window_set_gravity(GTK_WINDOW(darktable.bauhaus->popup_window), GDK_GRAVITY_STATIC);
gtk_widget_set_can_focus(darktable.bauhaus->popup_area, TRUE);
gtk_widget_add_events(darktable.bauhaus->popup_area,
GDK_POINTER_MOTION_MASK |
GDK_POINTER_MOTION_HINT_MASK |
GDK_BUTTON_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK |
GDK_KEY_PRESS_MASK |
GDK_LEAVE_NOTIFY_MASK);
g_signal_connect (G_OBJECT (darktable.bauhaus->popup_window), "show", G_CALLBACK(window_show), (gpointer)NULL);
g_signal_connect (G_OBJECT (darktable.bauhaus->popup_area), "expose-event",
G_CALLBACK (dt_bauhaus_popup_expose), (gpointer)NULL);
g_signal_connect (G_OBJECT (darktable.bauhaus->popup_area), "motion-notify-event",
G_CALLBACK (dt_bauhaus_popup_motion_notify), (gpointer)NULL);
g_signal_connect (G_OBJECT (darktable.bauhaus->popup_area), "leave-notify-event",
G_CALLBACK (dt_bauhaus_popup_leave_notify), (gpointer)NULL);
g_signal_connect (G_OBJECT (darktable.bauhaus->popup_area), "button-press-event",
G_CALLBACK (dt_bauhaus_popup_button_press), (gpointer)NULL);
// this is connected to the widget itself, not the popup. we're only interested
// in mouse release events that are initiated by a press on the original widget.
// g_signal_connect (G_OBJECT (darktable.bauhaus->popup_area), "button-release-event",
// G_CALLBACK (dt_bauhaus_popup_button_release), (gpointer)NULL);
g_signal_connect (G_OBJECT (darktable.bauhaus->popup_area), "key-press-event",
G_CALLBACK (dt_bauhaus_popup_key_press), (gpointer)NULL);
g_signal_connect (G_OBJECT (darktable.bauhaus->popup_area), "scroll-event",
G_CALLBACK (dt_bauhaus_popup_scroll), (gpointer)NULL);
}
void
dt_bauhaus_cleanup()
{
// TODO: destroy popup window and resources
// TODO: destroy keymap hash table and auto complete lists!
}
// fwd declare a few callbacks
static gboolean
dt_bauhaus_slider_button_press(GtkWidget *widget, GdkEventButton *event, gpointer user_data);
static gboolean
dt_bauhaus_slider_button_release(GtkWidget *widget, GdkEventButton *event, gpointer user_data);
static gboolean
dt_bauhaus_slider_scroll(GtkWidget *widget, GdkEventScroll *event, gpointer user_data);
static gboolean
dt_bauhaus_slider_motion_notify(GtkWidget *widget, GdkEventMotion *event, gpointer user_data);
static gboolean
dt_bauhaus_slider_leave_notify(GtkWidget *widget, GdkEventCrossing *event, gpointer user_data);
static gboolean
dt_bauhaus_combobox_button_press(GtkWidget *widget, GdkEventButton *event, gpointer user_data);
static gboolean
dt_bauhaus_combobox_scroll(GtkWidget *widget, GdkEventScroll *event, gpointer user_data);
// static gboolean
// dt_bauhaus_button_release(GtkWidget *widget, GdkEventButton *event, gpointer user_data);
static gboolean
dt_bauhaus_expose(GtkWidget *widget, GdkEventExpose *event, gpointer user_data);
// end static init/cleanup
// =================================================
// common initialization
static void
dt_bauhaus_widget_init(dt_bauhaus_widget_t* w, dt_iop_module_t *self)
{
w->module = self;
// no quad icon and no toggle button:
w->quad_paint = 0;
w->quad_toggle = 0;
gtk_widget_set_size_request(GTK_WIDGET(w), 260, get_line_height());
gtk_widget_add_events(GTK_WIDGET(w),
GDK_POINTER_MOTION_MASK |
GDK_POINTER_MOTION_HINT_MASK |
GDK_BUTTON_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK |
GDK_LEAVE_NOTIFY_MASK);
g_signal_connect (G_OBJECT (w), "expose-event",
G_CALLBACK (dt_bauhaus_expose), NULL);
// for combobox, where mouse-release triggers a selection, we need to catch this
// event where the mouse-press occurred, which will be this widget. we just pass
// it on though:
// g_signal_connect (G_OBJECT (w), "button-release-event",
// G_CALLBACK (dt_bauhaus_popup_button_release), (gpointer)NULL);
}
void dt_bauhaus_widget_set_label(GtkWidget *widget, const char *text)
{
dt_bauhaus_widget_t *w = DT_BAUHAUS_WIDGET(widget);
memset(w->label, 0, 256); // keep valgrind happy
strncpy(w->label, text, 256);
if(w->module)
{
// construct control path name and insert into keymap:
gchar *path = g_strdup_printf("%s.%s", w->module->name(), w->label);
if(!g_hash_table_lookup(darktable.bauhaus->keymap, path))
{
// also insert into sorted tab-complete list.
// (but only if this is the first time we insert this path)
gchar *mod = g_strdup(path);
gchar *val = g_strstr_len(mod, strlen(mod), ".");
if(val)
{
*val = 0;
if(!g_list_find_custom(darktable.bauhaus->key_mod, mod, (GCompareFunc)strcmp))
darktable.bauhaus->key_mod = g_list_insert_sorted(darktable.bauhaus->key_mod, mod, (GCompareFunc)strcmp);
// unfortunately need our own string, as replace in the hashtable below might destroy this pointer.
darktable.bauhaus->key_val = g_list_insert_sorted(darktable.bauhaus->key_val, g_strdup(path), (GCompareFunc)strcmp);
}
}
// might free an old path
g_hash_table_replace(darktable.bauhaus->keymap, path, w);
}
}
void dt_bauhaus_widget_set_quad_paint(GtkWidget *widget, dt_bauhaus_quad_paint_f f, int paint_flags)
{
dt_bauhaus_widget_t *w = DT_BAUHAUS_WIDGET(widget);
w->quad_paint = f;
w->quad_paint_flags = paint_flags;
}
// make this quad a toggle button:
void dt_bauhaus_widget_set_quad_toggle(GtkWidget *widget, int toggle)
{
dt_bauhaus_widget_t *w = DT_BAUHAUS_WIDGET(widget);
w->quad_toggle = toggle;
}
static void
dt_bauhaus_slider_destroy(dt_bauhaus_widget_t *widget, gpointer user_data)
{
dt_bauhaus_widget_t *w = DT_BAUHAUS_WIDGET(widget);
if(w->type != DT_BAUHAUS_SLIDER) return;
dt_bauhaus_slider_data_t *d = &w->data.slider;
if(d->timeout_handle) g_source_remove(d->timeout_handle);
d->timeout_handle = 0;
}
GtkWidget*
dt_bauhaus_slider_new(dt_iop_module_t *self)
{
return dt_bauhaus_slider_new_with_range(self, 0.0, 1.0, 0.1, 0.5, 3);
}
GtkWidget*
dt_bauhaus_slider_new_with_range(dt_iop_module_t *self, float min, float max, float step, float defval, int digits)
{
dt_bauhaus_widget_t* w = DT_BAUHAUS_WIDGET(g_object_new(DT_BAUHAUS_WIDGET_TYPE, NULL));
dt_bauhaus_widget_init(w, self);
w->type = DT_BAUHAUS_SLIDER;
dt_bauhaus_widget_init(w, self);
dt_bauhaus_slider_data_t *d = &w->data.slider;
d->min = min;
d->max = max;
// normalize default:
d->defpos = (defval-min)/(max-min);
d->pos = d->defpos;
d->oldpos = d->defpos;
d->scale = 5.0f*step/(max-min);
d->digits = digits;
snprintf(d->format, 24, "%%.0%df", digits);
d->grad_cnt = 0;
d->is_dragging = 0;
d->is_changed = 0;
d->timeout_handle = 0;
g_signal_connect (G_OBJECT (w), "button-press-event",
G_CALLBACK (dt_bauhaus_slider_button_press), (gpointer)NULL);
g_signal_connect (G_OBJECT (w), "button-release-event",
G_CALLBACK (dt_bauhaus_slider_button_release), (gpointer)NULL);
g_signal_connect (G_OBJECT (w), "scroll-event",
G_CALLBACK (dt_bauhaus_slider_scroll), (gpointer)NULL);
g_signal_connect (G_OBJECT (w), "motion-notify-event",
G_CALLBACK (dt_bauhaus_slider_motion_notify), (gpointer)NULL);
g_signal_connect (G_OBJECT (w), "leave-notify-event",
G_CALLBACK (dt_bauhaus_slider_leave_notify), (gpointer)NULL);
g_signal_connect (G_OBJECT (w), "destroy",
G_CALLBACK (dt_bauhaus_slider_destroy), (gpointer)NULL);
return GTK_WIDGET(w);
}
static void
dt_bauhaus_combobox_destroy(dt_bauhaus_widget_t *widget, gpointer user_data)
{
dt_bauhaus_widget_t *w = DT_BAUHAUS_WIDGET(widget);
if(w->type != DT_BAUHAUS_COMBOBOX) return;
dt_bauhaus_combobox_data_t *d = &w->data.combobox;
g_list_foreach(d->labels,(GFunc)g_free,NULL);
g_list_free(d->labels);
d->labels = NULL;
d->num_labels = 0;
}
GtkWidget*
dt_bauhaus_combobox_new(dt_iop_module_t *self)
{
dt_bauhaus_widget_t* w = DT_BAUHAUS_WIDGET(g_object_new(DT_BAUHAUS_WIDGET_TYPE, NULL));
w->type = DT_BAUHAUS_COMBOBOX;
dt_bauhaus_widget_init(w, self);
dt_bauhaus_combobox_data_t *d = &w->data.combobox;
d->labels = NULL;
d->num_labels = 0;
d->defpos = 0;
d->active = d->defpos;
d->editable = 0;
memset(d->text, 0, sizeof(d->text));
g_signal_connect (G_OBJECT (w), "button-press-event",
G_CALLBACK (dt_bauhaus_combobox_button_press), (gpointer)NULL);
g_signal_connect (G_OBJECT (w), "button-release-event",
G_CALLBACK (dt_bauhaus_popup_button_release), (gpointer)NULL);
g_signal_connect (G_OBJECT (w), "scroll-event",
G_CALLBACK (dt_bauhaus_combobox_scroll), (gpointer)NULL);
g_signal_connect (G_OBJECT (w), "destroy",
G_CALLBACK (dt_bauhaus_combobox_destroy), (gpointer)NULL);
return GTK_WIDGET(w);
}
void dt_bauhaus_combobox_add(GtkWidget *widget, const char *text)
{
dt_bauhaus_widget_t *w = DT_BAUHAUS_WIDGET(widget);
if(w->type != DT_BAUHAUS_COMBOBOX) return;
dt_bauhaus_combobox_data_t *d = &w->data.combobox;
d->num_labels++;
d->labels = g_list_append(d->labels, g_strdup(text));
}
void dt_bauhaus_combobox_set_editable(GtkWidget *widget, int editable)
{
dt_bauhaus_widget_t *w = DT_BAUHAUS_WIDGET(widget);
if(w->type != DT_BAUHAUS_COMBOBOX) return;
dt_bauhaus_combobox_data_t *d = &w->data.combobox;
d->editable = editable ? 1 : 0;
}
const char* dt_bauhaus_combobox_get_text(GtkWidget *widget)
{
dt_bauhaus_widget_t *w = DT_BAUHAUS_WIDGET(widget);
if(w->type != DT_BAUHAUS_COMBOBOX) return NULL;
dt_bauhaus_combobox_data_t *d = &w->data.combobox;
if(d->editable && d->active < 0)
{
return d->text;
}
else
{
if(d->active < 0 || d->active >= d->num_labels) return NULL;
return (const char *)g_list_nth_data(d->labels, d->active);
}
return NULL;
}
void dt_bauhaus_combobox_clear(GtkWidget *widget)
{
dt_bauhaus_widget_t *w = DT_BAUHAUS_WIDGET(widget);
if(w->type != DT_BAUHAUS_COMBOBOX) return;
dt_bauhaus_combobox_data_t *d = &w->data.combobox;
d->active = 0;
g_list_foreach(d->labels,(GFunc)g_free,NULL);
g_list_free(d->labels);
d->labels = NULL;
d->num_labels = 0;
}
const GList* dt_bauhaus_combobox_get_labels(GtkWidget *widget)
{
dt_bauhaus_widget_t *w = DT_BAUHAUS_WIDGET(widget);
if(w->type != DT_BAUHAUS_COMBOBOX) return 0;
dt_bauhaus_combobox_data_t *d = &w->data.combobox;
return d->labels;
}
void dt_bauhaus_combobox_set_text(GtkWidget *widget, const char *text)
{
dt_bauhaus_widget_t *w = DT_BAUHAUS_WIDGET(widget);
if(w->type != DT_BAUHAUS_COMBOBOX) return;
dt_bauhaus_combobox_data_t *d = &w->data.combobox;
if(!d->editable) return;
strncpy(d->text, text, sizeof(d->text));
}
void dt_bauhaus_combobox_set(GtkWidget *widget, int pos)
{
dt_bauhaus_widget_t *w = DT_BAUHAUS_WIDGET(widget);
if(w->type != DT_BAUHAUS_COMBOBOX) return;
dt_bauhaus_combobox_data_t *d = &w->data.combobox;
d->active = CLAMP(pos, -1, d->num_labels-1);
gtk_widget_queue_draw(GTK_WIDGET(w));
if(!darktable.gui->reset)
g_signal_emit_by_name(G_OBJECT(w), "value-changed");
}
int dt_bauhaus_combobox_get(GtkWidget *widget)
{
dt_bauhaus_widget_t *w = DT_BAUHAUS_WIDGET(widget);
if(w->type != DT_BAUHAUS_COMBOBOX) return -1;
dt_bauhaus_combobox_data_t *d = &w->data.combobox;
return d->active;
}
void dt_bauhaus_slider_set_stop(GtkWidget *widget, float stop, float r, float g, float b)
{
dt_bauhaus_widget_t *w = DT_BAUHAUS_WIDGET(widget);
if(w->type != DT_BAUHAUS_SLIDER) return;
dt_bauhaus_slider_data_t *d = &w->data.slider;
// need to replace stop?
for(int k=0; k<d->grad_cnt; k++)
{
if(d->grad_pos[k] == stop)
{
d->grad_col[k][0] = r;
d->grad_col[k][1] = g;
d->grad_col[k][2] = b;
return;
}
}
// new stop:
if(d->grad_cnt < 10)
{
int k = d->grad_cnt ++;
d->grad_pos[k] = stop;
d->grad_col[k][0] = r;
d->grad_col[k][1] = g;
d->grad_col[k][2] = b;
}
else
{
fprintf(stderr, "[bauhaus_slider_set_stop] only 10 stops allowed.\n");
}
}
#ifndef DT_BAUHAUS_OLD
static void
draw_equilateral_triangle(cairo_t *cr, float radius)
{
const float sin = 0.866025404 * radius;
const float cos = 0.5f * radius;
cairo_move_to(cr, 0.0, radius);
cairo_line_to(cr, -sin, -cos);
cairo_line_to(cr, sin, -cos);
cairo_line_to(cr, 0.0, radius);
}
#endif
static void
dt_bauhaus_draw_indicator(dt_bauhaus_widget_t *w, float pos, cairo_t *cr)
{
// draw scale indicator
GtkWidget *widget = GTK_WIDGET(w);
if(w->type != DT_BAUHAUS_SLIDER) return;
const int wd = widget->allocation.width;
const int ht = widget->allocation.height;
cairo_save(cr);
// dt_bauhaus_slider_data_t *d = &w->data.slider;
const float l = 4.0f/wd;
const float r = 1.0f-(ht+4.0f)/wd;
set_indicator_color(cr, 1);
#ifndef DT_BAUHAUS_OLD
cairo_translate(cr, (l + pos*(r-l))*wd, get_line_height() * (darktable.bauhaus->label_font_size + 0.25f));
cairo_scale(cr, 1.0f, -1.0f);
draw_equilateral_triangle(cr, ht*get_marker_size());
cairo_fill_preserve(cr);
cairo_set_line_width(cr, 1.);
set_grid_color(cr, 1);
cairo_stroke(cr);
#else
cairo_translate(cr, (l + pos*(r-l))*wd, 0);
cairo_set_line_width(cr, 1.);
cairo_move_to(cr, 0.0f, 0.0f);
cairo_line_to(cr, 0.0f, ht);
set_grid_color(cr, 1);
cairo_stroke(cr);
#endif
cairo_restore(cr);
}
static void
dt_bauhaus_clear(dt_bauhaus_widget_t *w, cairo_t *cr)
{
// clear bg with background color
cairo_save(cr);
if(w->module && darktable.develop->gui_module == w->module)
set_bg_focus(cr);
else
set_bg_normal(cr);
#if 0
GtkWidget *topwidget = dt_iop_gui_get_pluginui(w->module);
GtkStyle *style = gtk_widget_get_style(topwidget);
if(style)
{
cairo_set_source_rgb (cr,
style->bg[gtk_widget_get_state(topwidget)].red/65535.0f,
style->bg[gtk_widget_get_state(topwidget)].green/65535.0f,
style->bg[gtk_widget_get_state(topwidget)].blue/65535.0f);
}
#endif
cairo_paint(cr);
cairo_restore(cr);
}
static void
dt_bauhaus_draw_quad(dt_bauhaus_widget_t *w, cairo_t *cr)
{
GtkWidget *widget = GTK_WIDGET(w);
int width = widget->allocation.width;
int height = widget->allocation.height;
if(w->quad_paint)
{
cairo_save(cr);
set_grid_color(cr, gtk_widget_is_sensitive(GTK_WIDGET(w)));
w->quad_paint(cr, width-height-1, -1, height+2, get_label_font_size()+2, w->quad_paint_flags);
set_indicator_color(cr, gtk_widget_is_sensitive(GTK_WIDGET(w)));
w->quad_paint(cr, width-height, 0, height, get_label_font_size(), w->quad_paint_flags);
cairo_restore(cr);
}
else
{
// TODO: decide if we need this at all.
// there is a chance it only introduces clutter.
#if 1
// draw active area square:
cairo_save(cr);
set_indicator_color(cr, gtk_widget_is_sensitive(GTK_WIDGET(w)));
switch(w->type)
{
case DT_BAUHAUS_COMBOBOX:
cairo_translate(cr, width -height*.5f, get_label_font_size()*.5f);
draw_equilateral_triangle(cr, height*get_marker_size());
cairo_fill_preserve(cr);
cairo_set_line_width(cr, 1.);
set_grid_color(cr, 1);
cairo_stroke(cr);
break;
case DT_BAUHAUS_SLIDER:
break;
default:
cairo_rectangle(cr, width - height, 0, height, height);
cairo_fill(cr);
break;
}
cairo_restore(cr);
#endif
}
}
static void
dt_bauhaus_draw_baseline(dt_bauhaus_widget_t *w, cairo_t *cr)
{
// draw line for orientation in slider
GtkWidget *widget = GTK_WIDGET(w);
if(w->type != DT_BAUHAUS_SLIDER) return;
const int wd = widget->allocation.width;
const int ht = widget->allocation.height;
cairo_save(cr);
dt_bauhaus_slider_data_t *d = &w->data.slider;
#ifdef DT_BAUHAUS_OLD
const float htm = 0.0f, htM = ht;
#else
// pos of baseline
const float htm = ht*(darktable.bauhaus->label_font_size + 0.15f);
const float htM = ht*0.2f; // thickness of baseline
#endif
cairo_pattern_t *gradient = NULL;
if(d->grad_cnt > 0)
{
gradient = cairo_pattern_create_linear(0, 0, wd-4-ht-2, ht);
cairo_pattern_reference(gradient);
for(int k=0; k<d->grad_cnt; k++)
cairo_pattern_add_color_stop_rgba(gradient, d->grad_pos[k],
d->grad_col[k][0],
d->grad_col[k][1],
d->grad_col[k][2],
.2f);
cairo_set_source(cr, gradient);
}
else
{
// regular baseline
set_grid_color(cr, 0);
}
cairo_rectangle(cr, 2, htm, wd-4-ht-2, htM);
cairo_fill(cr);
// have a `fill ratio feel'
set_indicator_color(cr, 0);
cairo_rectangle(cr, 2, htm, d->pos*(wd-4-ht-2), htM);
cairo_fill(cr);
cairo_rectangle(cr, 2, htm, wd-4-ht-2, htM);
cairo_set_line_width(cr, 1.);
set_grid_color(cr, 1);
cairo_stroke(cr);
cairo_restore(cr);
if(d->grad_cnt > 0)
cairo_pattern_destroy(gradient);
}
static void
dt_bauhaus_widget_reject(dt_bauhaus_widget_t *w)
{
switch(w->type)
{
case DT_BAUHAUS_COMBOBOX:
break;
case DT_BAUHAUS_SLIDER:
{
dt_bauhaus_slider_data_t *d = &w->data.slider;
dt_bauhaus_slider_set_normalized(w, d->oldpos);
}
break;
default:
break;
}
}
static void
dt_bauhaus_widget_accept(dt_bauhaus_widget_t *w)
{
GtkWidget *widget = GTK_WIDGET(w);
int width = darktable.bauhaus->popup_window->allocation.width, height = darktable.bauhaus->popup_window->allocation.height;
switch(w->type)
{
case DT_BAUHAUS_COMBOBOX:
{
// only set to what's in the filtered list.
dt_bauhaus_combobox_data_t *d = &w->data.combobox;
int active = darktable.bauhaus->end_mouse_y >= 0
? (darktable.bauhaus->end_mouse_y / (widget->allocation.height + get_line_space()))
: d->active;
GList *it = d->labels;
int k = 0, i = 0, kk = 0, match = 1;
gchar *keys = g_utf8_casefold(darktable.bauhaus->keys, -1);
while(it)
{
gchar *text = (gchar *)it->data;
gchar *text_cmp = g_utf8_casefold(text, -1);
if(!strncmp(text_cmp, keys, darktable.bauhaus->keys_cnt))
{
if(active == k)
{
dt_bauhaus_combobox_set(widget, i);
g_free(keys);
g_free(text_cmp);
return;
}
kk = i; // remember for down there
// editable should only snap to perfect matches, not prefixes:
if(d->editable && strcmp(text, darktable.bauhaus->keys)) match = 0;
k++;
}
i++;
it = g_list_next(it);
g_free(text_cmp);
}
// if list is short (2 entries could be: typed something similar, and one similar)
if(k < 3)
{
// didn't find it, but had only one matching choice?
if(k == 1 && match) dt_bauhaus_combobox_set(widget, kk);
else if(d->editable)
{
// had no close match (k == 1 && !match) or no match at all (k == 0)
memset(d->text, 0, sizeof(d->text));
strncpy(d->text, darktable.bauhaus->keys, MIN(darktable.bauhaus->keys_cnt, sizeof(d->text)));
// select custom entry
dt_bauhaus_combobox_set(widget, -1);
}
}
g_free(keys);
break;
}
case DT_BAUHAUS_SLIDER:
{
dt_bauhaus_slider_data_t *d = &w->data.slider;
const float mouse_off = get_slider_line_offset(
d->oldpos, d->scale, darktable.bauhaus->end_mouse_x/width,
darktable.bauhaus->end_mouse_y/height, widget->allocation.height/(float)height,
widget->allocation.width);
dt_bauhaus_slider_set_normalized(w, d->oldpos + mouse_off);
d->oldpos = d->pos;
break;
}
default:
break;
}
}
static gboolean
dt_bauhaus_popup_expose(GtkWidget *widget, GdkEventExpose *event, gpointer user_data)
{
dt_bauhaus_widget_t *w = darktable.bauhaus->current;
// dimensions of the popup
int width = widget->allocation.width, height = widget->allocation.height;
// dimensions of the original line
GtkWidget *current = GTK_WIDGET(w);
int wd = current->allocation.width, ht = current->allocation.height;
cairo_surface_t *cst = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
cairo_t *cr = cairo_create(cst);
// draw same things as original widget, for visual consistency:
dt_bauhaus_clear(w, cr);
// draw line around popup
cairo_set_line_width(cr, 1.0);
cairo_set_source_rgb(cr, 0.0, 0.0, 0.0);
if(w->type == DT_BAUHAUS_COMBOBOX)
{
// separate more clearly (looks terrible in a way but might help separate text
// from other widgets above and below)
cairo_move_to(cr, 1.0, height-1.0);
cairo_line_to(cr, width-1.0, height-1.0);
cairo_line_to(cr, width-1.0, 1.0);
cairo_stroke(cr);
cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 0.4);
cairo_move_to(cr, 1.0, height-1.0);
cairo_line_to(cr, 1.0, 1.0);
cairo_line_to(cr, width-1.0, 1.0);
cairo_stroke(cr);
}
else
{
// blend in
cairo_move_to(cr, 1.0, 3.0*ht);
cairo_line_to(cr, 1.0, height-1);
cairo_line_to(cr, width-1, height-1);
cairo_line_to(cr, width-1, 3.0*ht);
cairo_stroke(cr);
// fade in line around popup:
for(int k=0; k<4; k++)
{
cairo_set_line_width(cr, (k+1)/4.0f);
cairo_move_to(cr, 1.0, ht*(2.f + k/4.0f));
cairo_line_to(cr, 1.0, ht*(2.f + (k+1)/4.0f));
cairo_move_to(cr, width-1.0, ht*(2.f + k/4.0f));
cairo_line_to(cr, width-1.0, ht*(2.f + (k+1)/4.0f));
cairo_stroke(cr);
}
}
// switch on bauhaus widget type (so we only need one static window)
switch(w->type)
{
case DT_BAUHAUS_SLIDER:
{
dt_bauhaus_slider_data_t *d = &w->data.slider;
dt_bauhaus_draw_baseline(w, cr);
cairo_save(cr);
cairo_set_line_width(cr, 1.);
set_grid_color(cr, 1);
const int num_scales = 1.f/d->scale;
// don't draw over orientation line
cairo_rectangle(cr, 0.0f, 0.9*ht, width, height);
cairo_clip(cr);
for(int k=0; k<num_scales; k++)
{
const float off = k*d->scale - d->oldpos;
cairo_set_source_rgba(cr, darktable.bauhaus->grid, darktable.bauhaus->grid, darktable.bauhaus->grid, d->scale/fabsf(off));
draw_slider_line(cr, d->oldpos, off, d->scale, width, height, ht);
cairo_stroke(cr);
}
cairo_restore(cr);
show_pango_text(cr, w->label, 2, 0, 0, FALSE, TRUE, FALSE);
// draw mouse over indicator line
cairo_save(cr);
set_indicator_color(cr, 1);
cairo_set_line_width(cr, 2.);
const float mouse_off = darktable.bauhaus->change_active ? get_slider_line_offset(d->oldpos, d->scale,
darktable.bauhaus->mouse_x/width, darktable.bauhaus->mouse_y/height, ht/(float)height,
width) : 0.0f;
draw_slider_line(cr, d->oldpos, mouse_off, d->scale, width, height, ht);
cairo_stroke(cr);
cairo_restore(cr);
// draw indicator
dt_bauhaus_draw_indicator(w, d->oldpos+mouse_off, cr);
// draw numerical value:
cairo_save(cr);
char text[256];
const float f = d->min + (d->oldpos+mouse_off)*(d->max-d->min);
snprintf(text, 256, d->format, f);
show_pango_text(cr, text, wd-4-ht, 0, 0, TRUE, TRUE, FALSE);
cairo_restore(cr);
}
break;
case DT_BAUHAUS_COMBOBOX:
{
show_pango_text(cr, w->label, 2, 0, 0, FALSE, TRUE, FALSE);
dt_bauhaus_combobox_data_t *d = &w->data.combobox;
cairo_save(cr);
set_text_color(cr, 1);
set_value_font(cr);
GList *it = d->labels;
int k = 0, i = 0;
int hovered = darktable.bauhaus->mouse_y / (ht + get_line_space());
gchar *keys = g_utf8_casefold(darktable.bauhaus->keys, -1);
while(it)
{
gchar *text = (gchar *)it->data;
gchar *text_cmp = g_utf8_casefold(text, -1);
if(!strncmp(text_cmp, keys, darktable.bauhaus->keys_cnt))
{
gboolean highlight = FALSE;
if(i == hovered)
{
highlight = TRUE;
}
show_pango_text(cr, text, wd-4-ht, (get_line_space()+ht)*k, 0, TRUE, !highlight, highlight);
k++;
}
i++;
it = g_list_next(it);
g_free(text_cmp);
}
cairo_restore(cr);
g_free(keys);
}
break;
default:
// yell
break;
}
// draw currently typed text. if a type doesn't want this, it should not
// allow stuff to be written here in the key callback.
if(darktable.bauhaus->keys_cnt)
{
cairo_save(cr);
cairo_text_extents_t ext;
set_text_color(cr, 1);
set_value_font(cr);
// make extra large, but without dependency on popup window height
// (that might differ for comboboxes for example). only fall back
// to height dependency if the popup is really small.
cairo_set_font_size (cr, MIN(3*get_line_height(), .2*height));
cairo_text_extents (cr, darktable.bauhaus->keys, &ext);
cairo_move_to (cr, wd-4-ht-ext.width, height*0.5);
cairo_show_text(cr, darktable.bauhaus->keys); // FIXME: pango
cairo_restore(cr);
}
cairo_destroy(cr);
cairo_t *cr_pixmap = gdk_cairo_create(gtk_widget_get_window(widget));
cairo_set_source_surface (cr_pixmap, cst, 0, 0);
cairo_paint(cr_pixmap);
cairo_destroy(cr_pixmap);
cairo_surface_destroy(cst);
return TRUE;
}
static gboolean
dt_bauhaus_expose(GtkWidget *widget, GdkEventExpose *event, gpointer user_data)
{
dt_bauhaus_widget_t *w = DT_BAUHAUS_WIDGET(widget);
const int width = widget->allocation.width, height = widget->allocation.height;
cairo_surface_t *cst = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
cairo_t *cr = cairo_create(cst);
dt_bauhaus_clear(w, cr);
// draw type specific content:
cairo_save(cr);
cairo_set_line_width(cr, 1.0);
switch(w->type)
{
case DT_BAUHAUS_COMBOBOX:
{
// draw label and quad area at right end
float label_width = show_pango_text(cr, w->label, 2, 0, 0, FALSE, TRUE, FALSE);
dt_bauhaus_draw_quad(w, cr);
if(gtk_widget_is_sensitive(widget))
{
dt_bauhaus_combobox_data_t *d = &w->data.combobox;
gchar *text = d->text;
if(d->active >= 0)
text = (gchar *)g_list_nth_data(d->labels, d->active);
show_pango_text(cr, text, width-4-height, 0, width-4-height-label_width-height, TRUE, TRUE, FALSE);
}
break;
}
case DT_BAUHAUS_SLIDER:
{
dt_bauhaus_slider_data_t *d = &w->data.slider;
// line for orientation
dt_bauhaus_draw_baseline(w, cr);
dt_bauhaus_draw_quad(w, cr);
if(gtk_widget_is_sensitive(widget))
{
dt_bauhaus_draw_indicator(w, d->pos, cr);
// TODO: merge that text with combo
char text[256];
const float f = d->min + d->pos*(d->max-d->min);
snprintf(text, 256, d->format, f);
show_pango_text(cr, text, width-4-height, 0, 0, TRUE, TRUE, FALSE);
}
// label on top of marker:
show_pango_text(cr, w->label, 2, 0, 0, FALSE, TRUE, FALSE);
}
break;
default:
break;
}
cairo_restore(cr);
cairo_destroy(cr);
cairo_t *cr_pixmap = gdk_cairo_create(gtk_widget_get_window(widget));
cairo_set_source_surface (cr_pixmap, cst, 0, 0);
cairo_paint(cr_pixmap);
cairo_destroy(cr_pixmap);
cairo_surface_destroy(cst);
return TRUE;
}
static void
dt_bauhaus_hide_popup()
{
gdk_keyboard_ungrab(GDK_CURRENT_TIME);
gtk_widget_hide(darktable.bauhaus->popup_window);
darktable.bauhaus->current = NULL;
// TODO: give focus to center view? do in accept() as well?
}
static void
dt_bauhaus_show_popup(dt_bauhaus_widget_t *w)
{
if(darktable.bauhaus->current)
dt_bauhaus_hide_popup();
darktable.bauhaus->current = w;
darktable.bauhaus->keys_cnt = 0;
memset(darktable.bauhaus->keys, 0, 64);
darktable.bauhaus->change_active = 0;
darktable.bauhaus->mouse_line_distance = 0.0f;
dt_iop_request_focus(w->module);
int offset = 0;
switch(darktable.bauhaus->current->type)
{
case DT_BAUHAUS_SLIDER:
{
dt_bauhaus_slider_data_t *d = &w->data.slider;
d->oldpos = d->pos;
GtkAllocation tmp;
gtk_widget_get_allocation(GTK_WIDGET(w), &tmp);
gtk_widget_set_size_request(darktable.bauhaus->popup_area, tmp.width, tmp.width);
break;
}
case DT_BAUHAUS_COMBOBOX:
{
// comboboxes change immediately
darktable.bauhaus->change_active = 1;
GtkAllocation tmp;
gtk_widget_get_allocation(GTK_WIDGET(w), &tmp);
dt_bauhaus_combobox_data_t *d = &w->data.combobox;
gtk_widget_set_size_request(darktable.bauhaus->popup_area, tmp.width, (tmp.height+get_line_space()) * d->num_labels);
const int ht = GTK_WIDGET(w)->allocation.height;
const int skip = ht + get_line_space();
offset = - d->active * skip;
darktable.bauhaus->mouse_x = 0;
darktable.bauhaus->mouse_y = d->active * skip + ht/2;
break;
}
default:
break;
}
gint wx, wy;
gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET(w)), &wx, &wy);
// move popup so mouse is over currently active item, to minimize confusion with scroll wheel:
if(darktable.bauhaus->current->type == DT_BAUHAUS_COMBOBOX)
wy += offset;
// gtk_widget_get_window will return null if not shown yet.
// it is needed for gdk_window_move, and gtk_window move will
// sometimes be ignored. this is why we always call both...
// we also don't want to show befor move, as this results in noticable flickering.
GdkWindow *window = gtk_widget_get_window(darktable.bauhaus->popup_window);
if(window) gdk_window_move(window, wx, wy);
gtk_window_move(GTK_WINDOW(darktable.bauhaus->popup_window), wx, wy);
gtk_widget_show_all(darktable.bauhaus->popup_window);
gtk_widget_grab_focus(darktable.bauhaus->popup_area);
}
static gboolean
dt_bauhaus_slider_scroll(GtkWidget *widget, GdkEventScroll *event, gpointer user_data)
{
dt_bauhaus_widget_t *w = (dt_bauhaus_widget_t *)widget;
if(w->type != DT_BAUHAUS_SLIDER) return FALSE;
dt_bauhaus_slider_data_t *d = &w->data.slider;
if(event->direction == GDK_SCROLL_UP)
{
dt_iop_request_focus(w->module);
dt_bauhaus_slider_set_normalized(w, d->pos+d->scale/5.0f);
return TRUE;
}
else if(event->direction == GDK_SCROLL_DOWN)
{
dt_iop_request_focus(w->module);
dt_bauhaus_slider_set_normalized(w, d->pos-d->scale/5.0f);
return TRUE;
}
return FALSE;
}
static gboolean
dt_bauhaus_combobox_scroll(GtkWidget *widget, GdkEventScroll *event, gpointer user_data)
{
dt_bauhaus_widget_t *w = (dt_bauhaus_widget_t *)widget;
if(w->type != DT_BAUHAUS_COMBOBOX) return FALSE;
dt_bauhaus_combobox_data_t *d = &w->data.combobox;
if(event->direction == GDK_SCROLL_UP)
{
dt_iop_request_focus(w->module);
dt_bauhaus_combobox_set(widget, CLAMP(d->active-1, 0, d->num_labels-1));
return TRUE;
}
else if(event->direction == GDK_SCROLL_DOWN)
{
dt_iop_request_focus(w->module);
dt_bauhaus_combobox_set(widget, CLAMP(d->active+1, 0, d->num_labels-1));
return TRUE;
}
return FALSE;
}
static gboolean
dt_bauhaus_combobox_button_press(GtkWidget *widget, GdkEventButton *event, gpointer user_data)
{
dt_bauhaus_widget_t *w = (dt_bauhaus_widget_t *)widget;
if(w->type != DT_BAUHAUS_COMBOBOX) return FALSE;
if(w->module) // tethering uses these with module == NULL
dt_iop_request_focus(w->module);
GtkAllocation tmp;
gtk_widget_get_allocation(GTK_WIDGET(w), &tmp);
dt_bauhaus_combobox_data_t *d = &w->data.combobox;
if(w->quad_paint && (event->x > widget->allocation.width - widget->allocation.height))
{
g_signal_emit_by_name(G_OBJECT(w), "quad-pressed");
return TRUE;
}
else if(event->button == 3)
{
darktable.bauhaus->mouse_x = event->x;
darktable.bauhaus->mouse_y = event->y;
dt_bauhaus_show_popup(w);
return TRUE;
}
else if(event->button == 1)
{
// reset to default.
if(event->type == GDK_2BUTTON_PRESS)
{
// never called, as we popup the other window under your cursor before.
dt_bauhaus_combobox_set(widget, d->defpos);
}
else
{
// single click, show options
darktable.bauhaus->opentime = dt_get_wtime();
darktable.bauhaus->mouse_x = event->x;
darktable.bauhaus->mouse_y = event->y;
dt_bauhaus_show_popup(w);
}
return TRUE;
}
return FALSE;
}
float
dt_bauhaus_slider_get(GtkWidget *widget)
{
// first cast to bh widget, to check that type:
dt_bauhaus_widget_t *w = (dt_bauhaus_widget_t *)DT_BAUHAUS_WIDGET(widget);
if(!w->type == DT_BAUHAUS_SLIDER) return -1.0f;
dt_bauhaus_slider_data_t *d = &w->data.slider;
return d->min + d->pos*(d->max-d->min);
}
void
dt_bauhaus_slider_set(GtkWidget *widget, float pos)
{
// this is the public interface function, translate by bounds and call set_normalized
dt_bauhaus_widget_t *w = (dt_bauhaus_widget_t *)DT_BAUHAUS_WIDGET(widget);
if(w->type != DT_BAUHAUS_SLIDER) return;
dt_bauhaus_slider_data_t *d = &w->data.slider;
dt_bauhaus_slider_set_normalized(w, (pos-d->min)/(d->max-d->min));
}
void
dt_bauhaus_slider_set_format(GtkWidget *widget, const char *format)
{
dt_bauhaus_widget_t *w = (dt_bauhaus_widget_t *)DT_BAUHAUS_WIDGET(widget);
if(w->type != DT_BAUHAUS_SLIDER) return;
dt_bauhaus_slider_data_t *d = &w->data.slider;
strncpy(d->format, format, 24);
}
static void
dt_bauhaus_slider_set_normalized(dt_bauhaus_widget_t *w, float pos)
{
dt_bauhaus_slider_data_t *d = &w->data.slider;
float rpos = CLAMP(pos, 0.0f, 1.0f);
rpos = d->min + (d->max - d->min)*rpos;
const float base = powf(10.0f, d->digits);
rpos = roundf(base * rpos) / base;
d->pos = (rpos-d->min)/(d->max-d->min);
gtk_widget_queue_draw(GTK_WIDGET(w));
d->is_changed = 1;
if(!darktable.gui->reset && !d->is_dragging)
{
g_signal_emit_by_name(G_OBJECT(w), "value-changed");
d->is_changed = 0;
}
}
static gboolean
dt_bauhaus_slider_postponed_value_change(gpointer data)
{
if(!GTK_IS_WIDGET(data)) return 0;
gdk_threads_enter();
dt_bauhaus_widget_t *w = (dt_bauhaus_widget_t *)data;
dt_bauhaus_slider_data_t *d = &w->data.slider;
if(d->is_changed)
{
g_signal_emit_by_name(G_OBJECT(w),"value-changed");
d->is_changed = 0;
}
if(!d->is_dragging) d->timeout_handle = 0;
gdk_threads_leave();
return d->is_dragging;
}
static gboolean
dt_bauhaus_popup_key_press(GtkWidget *widget, GdkEventKey *event, gpointer user_data)
{
switch(darktable.bauhaus->current->type)
{
case DT_BAUHAUS_SLIDER:
{
// hack to do screenshots from popup:
// if(event->string[0] == 'p') return system("scrot");
// else
if(darktable.bauhaus->keys_cnt + 2 < 64 &&
((event->string[0] >= 43 && event->string[0] <= 46) || // .,-+
(event->string[0] >= 48 && event->string[0] <= 57))) // 0-9
{
darktable.bauhaus->keys[darktable.bauhaus->keys_cnt++] = event->string[0];
gtk_widget_queue_draw(darktable.bauhaus->popup_area);
}
else if(darktable.bauhaus->keys_cnt > 0 &&
(event->keyval == GDK_BackSpace || event->keyval == GDK_Delete))
{
darktable.bauhaus->keys[--darktable.bauhaus->keys_cnt] = 0;
gtk_widget_queue_draw(darktable.bauhaus->popup_area);
}
else if(darktable.bauhaus->keys_cnt > 0 && darktable.bauhaus->keys_cnt + 1 < 64 &&
(event->keyval == GDK_Return || event->keyval == GDK_KP_Enter))
{
// accept input
darktable.bauhaus->keys[darktable.bauhaus->keys_cnt] = 0;
// unnormalized input, user was typing this:
dt_bauhaus_slider_set(GTK_WIDGET(darktable.bauhaus->current), atof(darktable.bauhaus->keys));
darktable.bauhaus->keys_cnt = 0;
memset(darktable.bauhaus->keys, 0, 64);
dt_bauhaus_hide_popup();
}
else if(event->keyval == GDK_Escape)
{
// discard input and close popup
darktable.bauhaus->keys_cnt = 0;
memset(darktable.bauhaus->keys, 0, 64);
dt_bauhaus_hide_popup();
}
else return FALSE;
return TRUE;
}
case DT_BAUHAUS_COMBOBOX:
{
if(!g_utf8_validate(event->string, -1, NULL)) return FALSE;
gunichar c = g_utf8_get_char(event->string);
long int char_width = g_utf8_next_char(event->string) - event->string;
// if(event->string[0] == 'p') return system("scrot");
// else
if(darktable.bauhaus->keys_cnt + 1 + char_width < 64 && g_unichar_isprint(c))
{
// only accept key input if still valid or editable?
g_utf8_strncpy(darktable.bauhaus->keys+darktable.bauhaus->keys_cnt, event->string, 1);
darktable.bauhaus->keys_cnt += char_width;
gtk_widget_queue_draw(darktable.bauhaus->popup_area);
}
else if(darktable.bauhaus->keys_cnt > 0 &&
(event->keyval == GDK_BackSpace || event->keyval == GDK_Delete))
{
darktable.bauhaus->keys_cnt -= (darktable.bauhaus->keys+darktable.bauhaus->keys_cnt) -
g_utf8_prev_char(darktable.bauhaus->keys+darktable.bauhaus->keys_cnt);
darktable.bauhaus->keys[darktable.bauhaus->keys_cnt] = 0;
gtk_widget_queue_draw(darktable.bauhaus->popup_area);
}
else if(darktable.bauhaus->keys_cnt > 0 && darktable.bauhaus->keys_cnt + 1 < 64 &&
(event->keyval == GDK_Return || event->keyval == GDK_KP_Enter))
{
// accept unique matches only for editable:
if(darktable.bauhaus->current->data.combobox.editable)
darktable.bauhaus->end_mouse_y = FLT_MAX;
else
darktable.bauhaus->end_mouse_y = 0;
darktable.bauhaus->keys[darktable.bauhaus->keys_cnt] = 0;
dt_bauhaus_widget_accept(darktable.bauhaus->current);
darktable.bauhaus->keys_cnt = 0;
memset(darktable.bauhaus->keys, 0, 64);
dt_bauhaus_hide_popup();
}
else if(event->keyval == GDK_Escape)
{
// discard input and close popup
darktable.bauhaus->keys_cnt = 0;
memset(darktable.bauhaus->keys, 0, 64);
dt_bauhaus_hide_popup();
}
else if(event->keyval == GDK_Up)
{
combobox_popup_scroll(1);
}
else if(event->keyval == GDK_Down)
{
combobox_popup_scroll(0);
}
else if(event->keyval == GDK_Return || event->keyval == GDK_KP_Enter)
{
// return pressed, but didn't type anything
darktable.bauhaus->end_mouse_y = -1; // negative will use currently highlighted instead.
darktable.bauhaus->keys[darktable.bauhaus->keys_cnt] = 0;
darktable.bauhaus->keys_cnt = 0;
memset(darktable.bauhaus->keys, 0, 64);
dt_bauhaus_widget_accept(darktable.bauhaus->current);
dt_bauhaus_hide_popup();
}
else return FALSE;
return TRUE;
}
default:
return FALSE;
}
}
static gboolean
dt_bauhaus_slider_button_press(GtkWidget *widget, GdkEventButton *event, gpointer user_data)
{
dt_bauhaus_widget_t *w = (dt_bauhaus_widget_t *)widget;
dt_iop_request_focus(w->module);
GtkAllocation tmp;
gtk_widget_get_allocation(GTK_WIDGET(w), &tmp);
if(w->quad_paint && (event->x > widget->allocation.width - widget->allocation.height))
{
g_signal_emit_by_name(G_OBJECT(w), "quad-pressed");
return TRUE;
}
else if(event->button == 3)
{
dt_bauhaus_show_popup(w);
return TRUE;
}
else if(event->button == 1)
{
// reset to default.
if(event->type == GDK_2BUTTON_PRESS)
{
dt_bauhaus_slider_data_t *d = &w->data.slider;
d->is_dragging = 0;
dt_bauhaus_slider_set_normalized(w, d->defpos);
}
else
{
const float l = 4.0f/tmp.width;
const float r = 1.0f-(tmp.height+4.0f)/tmp.width;
dt_bauhaus_slider_set_normalized(w, (event->x/tmp.width - l)/(r-l));
dt_bauhaus_slider_data_t *d = &w->data.slider;
d->is_dragging = 1;
int delay = CLAMP(darktable.develop->average_delay*3/2, DT_BAUHAUS_SLIDER_VALUE_CHANGED_DELAY_MIN, DT_BAUHAUS_SLIDER_VALUE_CHANGED_DELAY_MAX);
// timeout_handle should always be zero here, but check just in case
if(!d->timeout_handle)
d->timeout_handle = g_timeout_add(delay, dt_bauhaus_slider_postponed_value_change, widget);
}
return TRUE;
}
return FALSE;
}
static gboolean
dt_bauhaus_slider_button_release(GtkWidget *widget, GdkEventButton *event, gpointer user_data)
{
dt_bauhaus_widget_t *w = (dt_bauhaus_widget_t *)widget;
dt_bauhaus_slider_data_t *d = &w->data.slider;
if((event->button == 1) && (d->is_dragging))
{
dt_iop_request_focus(w->module);
GtkAllocation tmp;
gtk_widget_get_allocation(GTK_WIDGET(w), &tmp);
d->is_dragging = 0;
if(d->timeout_handle) g_source_remove(d->timeout_handle);
d->timeout_handle = 0;
const float l = 4.0f/tmp.width;
const float r = 1.0f-(tmp.height+4.0f)/tmp.width;
dt_bauhaus_slider_set_normalized(w, (event->x/tmp.width - l)/(r-l));
return TRUE;
}
return FALSE;
}
static gboolean
dt_bauhaus_slider_motion_notify(GtkWidget *widget, GdkEventMotion *event, gpointer user_data)
{
// remember mouse position for motion effects in draw
if(event->state & GDK_BUTTON1_MASK && event->type != GDK_2BUTTON_PRESS)
{
dt_bauhaus_widget_t *w = (dt_bauhaus_widget_t *)widget;
GtkAllocation tmp;
gtk_widget_get_allocation(GTK_WIDGET(w), &tmp);
const float l = 4.0f/tmp.width;
const float r = 1.0f-(tmp.height+4.0f)/tmp.width;
dt_bauhaus_slider_set_normalized(w, (event->x/tmp.width - l)/(r-l));
}
// not sure if needed:
// gdk_event_request_motions(event);
return TRUE;
}
static gboolean
dt_bauhaus_slider_leave_notify(GtkWidget *widget, GdkEventCrossing *event, gpointer user_data)
{
// TODO: highlight?
return TRUE;
}
void dt_bauhaus_vimkey_exec(const char *input)
{
char module[64], label[64];
float num;
sscanf(input, ":set %[^.].%[^=]=%f", module, label, &num);
fprintf(stderr, "[vimkey] setting module `%s', slider `%s' to %f\n", module, label, num);
sscanf(input, ":set %[^=]=%f", label, &num);
dt_bauhaus_widget_t *w = (dt_bauhaus_widget_t *)g_hash_table_lookup(darktable.bauhaus->keymap, label);
if(!w) return;
switch(w->type)
{
case DT_BAUHAUS_SLIDER:
dt_bauhaus_slider_set(GTK_WIDGET(w), num);
break;
case DT_BAUHAUS_COMBOBOX:
// TODO: what about text as entry?
dt_bauhaus_combobox_set(GTK_WIDGET(w), num);
break;
default:
break;
}
}
// give autocomplete suggestions
GList* dt_bauhaus_vimkey_complete(const char *input)
{
GList *cmp = darktable.bauhaus->key_mod;
char *point = strstr(input, ".");
if(point)
cmp = darktable.bauhaus->key_val;
int prefix = strlen(input);
GList *res = NULL;
int after = 0;
while(cmp)
{
char *path = (char *)cmp->data;
if(strncasecmp(path, input, prefix))
{
if(after) break; // sorted, so we're done
// else loop till we find the start of it
}
else
{
// append:
res = g_list_insert_sorted(res, path, (GCompareFunc)strcmp);
after = 1;
}
cmp = g_list_next(cmp);
}
return res;
}
// modelines: These editor modelines have been set for all relevant files by tools/update_modelines.sh
// vim: shiftwidth=2 expandtab tabstop=2 cindent
// kate: tab-indents: off; indent-width 2; replace-tabs on; indent-mode cstyle; remove-trailing-space on;
Computing file changes ...
