+++ /dev/null
-/*
- * Geeqie
- * (C) 2004 John Ellis
- * Copyright (C) 2008 - 2012 The Geeqie Team
- *
- * Author: Vladimir Nadvornik
- *
- * This software is released under the GNU General Public License (GNU GPL).
- * Please read the included file COPYING for more information.
- * This software comes with no warranty of any kind, use at your own risk!
- */
-
-
-#include "main.h"
-#include "bar_histogram.h"
-
-#include "bar.h"
-#include "metadata.h"
-#include "filedata.h"
-#include "menu.h"
-#include "ui_menu.h"
-#include "ui_misc.h"
-#include "histogram.h"
-#include "rcfile.h"
-
-/*
- *-------------------------------------------------------------------
- * keyword / comment utils
- *-------------------------------------------------------------------
- */
-
-
-
-typedef struct _PaneHistogramData PaneHistogramData;
-struct _PaneHistogramData
-{
- PaneData pane;
- GtkWidget *widget;
- GtkWidget *drawing_area;
- Histogram *histogram;
- gint histogram_width;
- gint histogram_height;
- GdkPixbuf *pixbuf;
- FileData *fd;
- gboolean need_update;
- guint idle_id; /* event source id */
-};
-
-static gboolean bar_pane_histogram_update_cb(gpointer data);
-
-
-static void bar_pane_histogram_update(PaneHistogramData *phd)
-{
- if (phd->pixbuf) g_object_unref(phd->pixbuf);
- phd->pixbuf = NULL;
-
- gtk_label_set_text(GTK_LABEL(phd->pane.title), histogram_label(phd->histogram));
-
- if (!phd->histogram_width || !phd->histogram_height || !phd->fd) return;
-
- /* histmap_get is relatively expensive, run it only when we really need it
- and with lower priority than pixbuf_renderer
- FIXME: this does not work for fullscreen*/
- if (gtk_widget_is_drawable(phd->drawing_area))
- {
- if (!phd->idle_id)
- {
- phd->idle_id = g_idle_add_full(G_PRIORITY_DEFAULT_IDLE, bar_pane_histogram_update_cb, phd, NULL);
- }
- }
- else
- {
- phd->need_update = TRUE;
- }
-}
-
-static gboolean bar_pane_histogram_update_cb(gpointer data)
-{
- const HistMap *histmap;
- PaneHistogramData *phd = data;
-
- phd->idle_id = 0;
- phd->need_update = FALSE;
-
- gtk_widget_queue_draw_area(GTK_WIDGET(phd->drawing_area), 0, 0, phd->histogram_width, phd->histogram_height);
-
- if (phd->fd == NULL) return FALSE;
- histmap = histmap_get(phd->fd);
-
- if (!histmap)
- {
- histmap_start_idle(phd->fd);
- return FALSE;
- }
-
- phd->pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, phd->histogram_width, phd->histogram_height);
- gdk_pixbuf_fill(phd->pixbuf, 0xffffffff);
- histogram_draw(phd->histogram, histmap, phd->pixbuf, 0, 0, phd->histogram_width, phd->histogram_height);
-
- return FALSE;
-}
-
-
-static void bar_pane_histogram_set_fd(GtkWidget *pane, FileData *fd)
-{
- PaneHistogramData *phd;
-
- phd = g_object_get_data(G_OBJECT(pane), "pane_data");
- if (!phd) return;
-
- file_data_unref(phd->fd);
- phd->fd = file_data_ref(fd);
-
- bar_pane_histogram_update(phd);
-}
-
-static void bar_pane_histogram_write_config(GtkWidget *pane, GString *outstr, gint indent)
-{
- PaneHistogramData *phd;
-
- phd = g_object_get_data(G_OBJECT(pane), "pane_data");
- if (!phd) return;
-
- WRITE_NL(); WRITE_STRING("<pane_histogram ");
- write_char_option(outstr, indent, "id", phd->pane.id);
- write_char_option(outstr, indent, "title", gtk_label_get_text(GTK_LABEL(phd->pane.title)));
- WRITE_BOOL(phd->pane, expanded);
- WRITE_INT(*phd->histogram, histogram_channel);
- WRITE_INT(*phd->histogram, histogram_mode);
- WRITE_STRING("/>");
-}
-
-static void bar_pane_histogram_notify_cb(FileData *fd, NotifyType type, gpointer data)
-{
- PaneHistogramData *phd = data;
- if ((type & (NOTIFY_REREAD | NOTIFY_CHANGE | NOTIFY_HISTMAP | NOTIFY_PIXBUF)) && fd == phd->fd)
- {
- DEBUG_1("Notify pane_histogram: %s %04x", fd->path, type);
- bar_pane_histogram_update(phd);
- }
-}
-
-#if GTK_CHECK_VERSION(3,0,0)
-static gboolean bar_pane_histogram_draw_cb(GtkWidget *widget, cairo_t *cr, gpointer data)
-{
- PaneHistogramData *phd = data;
- if (!phd) return TRUE;
-
- if (phd->need_update)
- {
- bar_pane_histogram_update(phd);
- }
-
- if (!phd->pixbuf) return TRUE;
-
- gdk_cairo_set_source_pixbuf(cr, phd->pixbuf, 0, 0);
- cairo_paint (cr);
-
- return TRUE;
-}
-
-#else
-static gboolean bar_pane_histogram_expose_event_cb(GtkWidget *widget, GdkEventExpose *event, gpointer data)
-{
- PaneHistogramData *phd = data;
- if (!phd) return TRUE;
-
- if (phd->need_update)
- {
- bar_pane_histogram_update(phd);
- }
-
- if (!phd->pixbuf) return TRUE;
-
- cairo_t *cr = gdk_cairo_create(gtk_widget_get_window(widget));
- gdk_cairo_set_source_pixbuf (cr, phd->pixbuf, 0, 0);
- cairo_paint (cr);
- cairo_destroy (cr);
-
- return TRUE;
-}
-#endif
-
-static void bar_pane_histogram_size_cb(GtkWidget *widget, GtkAllocation *allocation, gpointer data)
-{
- PaneHistogramData *phd = data;
-
- phd->histogram_width = allocation->width;
- phd->histogram_height = allocation->height;
- bar_pane_histogram_update(phd);
-}
-
-static void bar_pane_histogram_destroy(GtkWidget *widget, gpointer data)
-{
- PaneHistogramData *phd = data;
-
- if (phd->idle_id) g_source_remove(phd->idle_id);
- file_data_unregister_notify_func(bar_pane_histogram_notify_cb, phd);
-
- file_data_unref(phd->fd);
- histogram_free(phd->histogram);
- if (phd->pixbuf) g_object_unref(phd->pixbuf);
- g_free(phd->pane.id);
-
- g_free(phd);
-}
-
-static void bar_pane_histogram_popup_channels_cb(GtkWidget *widget, gpointer data)
-{
- PaneHistogramData *phd = data;
- gint channel;
-
- if (!gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget))) return;
-
- if (!phd) return;
-
- channel = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), "menu_item_radio_data"));
- if (channel == histogram_get_channel(phd->histogram)) return;
-
- histogram_set_channel(phd->histogram, channel);
- bar_pane_histogram_update(phd);
-}
-
-static void bar_pane_histogram_popup_mode_cb(GtkWidget *widget, gpointer data)
-{
- PaneHistogramData *phd = data;
- gint logmode;
-
- if (!gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget))) return;
-
- if (!phd) return;
-
- logmode = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), "menu_item_radio_data"));
- if (logmode == histogram_get_mode(phd->histogram)) return;
-
- histogram_set_mode(phd->histogram, logmode);
- bar_pane_histogram_update(phd);
-}
-
-static GtkWidget *bar_pane_histogram_menu(PaneHistogramData *phd)
-{
- GtkWidget *menu;
- gint channel = histogram_get_channel(phd->histogram);
- gint mode = histogram_get_mode(phd->histogram);
-
- menu = popup_menu_short_lived();
-
- /* use the same strings as in layout_util.c */
- menu_item_add_radio(menu, _("Histogram on _Red"), GINT_TO_POINTER(HCHAN_R), (channel == HCHAN_R), G_CALLBACK(bar_pane_histogram_popup_channels_cb), phd);
- menu_item_add_radio(menu, _("Histogram on _Green"), GINT_TO_POINTER(HCHAN_G), (channel == HCHAN_G), G_CALLBACK(bar_pane_histogram_popup_channels_cb), phd);
- menu_item_add_radio(menu, _("Histogram on _Blue"), GINT_TO_POINTER(HCHAN_B), (channel == HCHAN_B), G_CALLBACK(bar_pane_histogram_popup_channels_cb), phd);
- menu_item_add_radio(menu, _("_Histogram on RGB"), GINT_TO_POINTER(HCHAN_RGB), (channel == HCHAN_RGB), G_CALLBACK(bar_pane_histogram_popup_channels_cb), phd);
- menu_item_add_radio(menu, _("Histogram on _Value"), GINT_TO_POINTER(HCHAN_MAX), (channel == HCHAN_MAX), G_CALLBACK(bar_pane_histogram_popup_channels_cb), phd);
-
- menu_item_add_divider(menu);
-
- menu_item_add_radio(menu, _("Li_near Histogram"), GINT_TO_POINTER(0), (mode == 0), G_CALLBACK(bar_pane_histogram_popup_mode_cb), phd);
- menu_item_add_radio(menu, _("L_og Histogram"), GINT_TO_POINTER(1), (mode == 1), G_CALLBACK(bar_pane_histogram_popup_mode_cb), phd);
-
- return menu;
-}
-
-static gboolean bar_pane_histogram_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
-{
- PaneHistogramData *phd = data;
-
- if (bevent->button == MOUSE_BUTTON_RIGHT)
- {
- GtkWidget *menu;
-
- menu = bar_pane_histogram_menu(phd);
- gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, bevent->button, bevent->time);
- return TRUE;
- }
-
- return FALSE;
-}
-
-
-static GtkWidget *bar_pane_histogram_new(const gchar *id, const gchar *title, gint height, gboolean expanded, gint histogram_channel, gint histogram_mode)
-{
- PaneHistogramData *phd;
-
- phd = g_new0(PaneHistogramData, 1);
-
- phd->pane.pane_set_fd = bar_pane_histogram_set_fd;
- phd->pane.pane_write_config = bar_pane_histogram_write_config;
- phd->pane.title = bar_pane_expander_title(title);
- phd->pane.id = g_strdup(id);
- phd->pane.type = PANE_HISTOGRAM;
-
- phd->pane.expanded = expanded;
-
- phd->histogram = histogram_new();
-
- histogram_set_channel(phd->histogram, histogram_channel);
- histogram_set_mode(phd->histogram, histogram_mode);
-
- phd->widget = gtk_vbox_new(FALSE, PREF_PAD_GAP);
-
- g_object_set_data(G_OBJECT(phd->widget), "pane_data", phd);
- g_signal_connect(G_OBJECT(phd->widget), "destroy",
- G_CALLBACK(bar_pane_histogram_destroy), phd);
-
-
- gtk_widget_set_size_request(GTK_WIDGET(phd->widget), -1, height);
-
- phd->drawing_area = gtk_drawing_area_new();
- g_signal_connect_after(G_OBJECT(phd->drawing_area), "size_allocate",
- G_CALLBACK(bar_pane_histogram_size_cb), phd);
-
-#if GTK_CHECK_VERSION(3,0,0)
- g_signal_connect(G_OBJECT(phd->drawing_area), "draw",
- G_CALLBACK(bar_pane_histogram_draw_cb), phd);
-#else
- g_signal_connect(G_OBJECT(phd->drawing_area), "expose_event",
- G_CALLBACK(bar_pane_histogram_expose_event_cb), phd);
-#endif
-
- gtk_box_pack_start(GTK_BOX(phd->widget), phd->drawing_area, TRUE, TRUE, 0);
- gtk_widget_show(phd->drawing_area);
- gtk_widget_add_events(phd->drawing_area, GDK_BUTTON_PRESS_MASK);
-
- g_signal_connect(G_OBJECT(phd->drawing_area), "button_press_event", G_CALLBACK(bar_pane_histogram_press_cb), phd);
-
- gtk_widget_show(phd->widget);
-
- file_data_register_notify_func(bar_pane_histogram_notify_cb, phd, NOTIFY_PRIORITY_LOW);
-
- return phd->widget;
-}
-
-GtkWidget *bar_pane_histogram_new_from_config(const gchar **attribute_names, const gchar **attribute_values)
-{
- gchar *title = NULL;
- gchar *id = g_strdup("histogram");
- gboolean expanded = TRUE;
- gint height = 80;
- gint histogram_channel = HCHAN_RGB;
- gint histogram_mode = 0;
- GtkWidget *ret;
-
- while (*attribute_names)
- {
- const gchar *option = *attribute_names++;
- const gchar *value = *attribute_values++;
-
- if (READ_CHAR_FULL("id", id)) continue;
- if (READ_CHAR_FULL("title", title)) continue;
- if (READ_BOOL_FULL("expanded", expanded)) continue;
- if (READ_INT_FULL("histogram_channel", histogram_channel)) continue;
- if (READ_INT_FULL("histogram_mode", histogram_mode)) continue;
-
- log_printf("unknown attribute %s = %s\n", option, value);
- }
-
- bar_pane_translate_title(PANE_HISTOGRAM, id, &title);
- ret = bar_pane_histogram_new(id, title, height, expanded, histogram_channel, histogram_mode);
- g_free(title);
- g_free(id);
- return ret;
-}
-
-void bar_pane_histogram_update_from_config(GtkWidget *pane, const gchar **attribute_names, const gchar **attribute_values)
-{
- PaneHistogramData *phd;
-
- phd = g_object_get_data(G_OBJECT(pane), "pane_data");
- if (!phd) return;
-
- gint histogram_channel = phd->histogram->histogram_channel;
- gint histogram_mode = phd->histogram->histogram_mode;
-
- while (*attribute_names)
- {
- const gchar *option = *attribute_names++;
- const gchar *value = *attribute_values++;
-
- if (READ_CHAR_FULL("id", phd->pane.id)) continue;
-// if (READ_CHAR_FULL("pane.title", title)) continue;
- if (READ_BOOL_FULL("expanded", phd->pane.expanded)) continue;
- if (READ_INT_FULL("histogram_channel", histogram_channel)) continue;
- if (READ_INT_FULL("histogram_mode", histogram_mode)) continue;
-
-
- log_printf("unknown attribute %s = %s\n", option, value);
- }
-
- histogram_set_channel(phd->histogram, histogram_channel);
- histogram_set_mode(phd->histogram, histogram_mode);
-
- bar_update_expander(pane);
- bar_pane_histogram_update(phd);
-}
-
-
-/* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */
projects / geeqie.git / blobdiff