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Diffstat (limited to '')
| -rw-r--r-- | app/display/gimpdisplayshell-title.c | 564 |
1 files changed, 564 insertions, 0 deletions
diff --git a/app/display/gimpdisplayshell-title.c b/app/display/gimpdisplayshell-title.c new file mode 100644 index 0000000..ff356ce --- /dev/null +++ b/app/display/gimpdisplayshell-title.c @@ -0,0 +1,564 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * This program 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. + * + * This program 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 this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#include "config.h" + +#include <string.h> + +#include <gegl.h> +#include <gtk/gtk.h> + +#include "libgimpbase/gimpbase.h" +#include "libgimpcolor/gimpcolor.h" +#include "libgimpwidgets/gimpwidgets.h" + +#include "libgimpbase/gimpbase.h" + +#include "display-types.h" + +#include "config/gimpdisplayconfig.h" + +#include "gegl/gimp-babl.h" + +#include "core/gimpcontainer.h" +#include "core/gimpdrawable.h" +#include "core/gimpimage.h" +#include "core/gimpimage-color-profile.h" +#include "core/gimpitem.h" + +#include "gimpdisplay.h" +#include "gimpdisplayshell.h" +#include "gimpdisplayshell-title.h" +#include "gimpstatusbar.h" + +#include "about.h" + +#include "gimp-intl.h" + + +#define MAX_TITLE_BUF 512 + + +static gboolean gimp_display_shell_update_title_idle (gpointer data); +static gint gimp_display_shell_format_title (GimpDisplayShell *display, + gchar *title, + gint title_len, + const gchar *format); + + +/* public functions */ + +void +gimp_display_shell_title_update (GimpDisplayShell *shell) +{ + g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell)); + + if (shell->title_idle_id) + g_source_remove (shell->title_idle_id); + + shell->title_idle_id = g_idle_add (gimp_display_shell_update_title_idle, + shell); +} + + +/* private functions */ + +static gboolean +gimp_display_shell_update_title_idle (gpointer data) +{ + GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (data); + + shell->title_idle_id = 0; + + if (gimp_display_get_image (shell->display)) + { + GimpDisplayConfig *config = shell->display->config; + gchar title[MAX_TITLE_BUF]; + gchar status[MAX_TITLE_BUF]; + gint len; + + /* format the title */ + len = gimp_display_shell_format_title (shell, title, sizeof (title), + config->image_title_format); + + if (len) /* U+2013 EN DASH */ + len += g_strlcpy (title + len, " \342\200\223 ", sizeof (title) - len); + + g_strlcpy (title + len, GIMP_ACRONYM, sizeof (title) - len); + + /* format the statusbar */ + gimp_display_shell_format_title (shell, status, sizeof (status), + config->image_status_format); + + g_object_set (shell, + "title", title, + "status", status, + NULL); + } + else + { + g_object_set (shell, + "title", GIMP_NAME, + "status", " ", + NULL); + } + + return FALSE; +} + +static const gchar * +gimp_display_shell_title_image_type (GimpImage *image) +{ + const gchar *name = ""; + + gimp_enum_get_value (GIMP_TYPE_IMAGE_BASE_TYPE, + gimp_image_get_base_type (image), NULL, NULL, &name, NULL); + + return name; +} + +static const gchar * +gimp_display_shell_title_image_precision (GimpImage *image) +{ + const gchar *name = ""; + + gimp_enum_get_value (GIMP_TYPE_PRECISION, + gimp_image_get_precision (image), NULL, NULL, &name, NULL); + + return name; +} + +static gint print (gchar *buf, + gint len, + gint start, + const gchar *fmt, + ...) G_GNUC_PRINTF (4, 5); + +static gint +print (gchar *buf, + gint len, + gint start, + const gchar *fmt, + ...) +{ + va_list args; + gint printed; + + va_start (args, fmt); + + printed = g_vsnprintf (buf + start, len - start, fmt, args); + if (printed < 0) + printed = len - start; + + va_end (args); + + return printed; +} + +static gint +gimp_display_shell_format_title (GimpDisplayShell *shell, + gchar *title, + gint title_len, + const gchar *format) +{ + GimpImage *image; + GimpDrawable *drawable; + gint num, denom; + gint i = 0; + + g_return_val_if_fail (GIMP_IS_DISPLAY_SHELL (shell), 0); + + image = gimp_display_get_image (shell->display); + + if (! image) + { + title[0] = '\n'; + return 0; + } + + drawable = gimp_image_get_active_drawable (image); + + gimp_zoom_model_get_fraction (shell->zoom, &num, &denom); + + while (i < title_len && *format) + { + switch (*format) + { + case '%': + format++; + switch (*format) + { + case 0: + /* format string ends within %-sequence, print literal '%' */ + + case '%': + title[i++] = '%'; + break; + + case 'f': /* base filename */ + i += print (title, title_len, i, "%s", + gimp_image_get_display_name (image)); + break; + + case 'F': /* full filename */ + i += print (title, title_len, i, "%s", + gimp_image_get_display_path (image)); + break; + + case 'p': /* PDB id */ + i += print (title, title_len, i, "%d", gimp_image_get_ID (image)); + break; + + case 'i': /* instance */ + i += print (title, title_len, i, "%d", + gimp_display_get_instance (shell->display)); + break; + + case 't': /* image type */ + i += print (title, title_len, i, "%s %s", + gimp_display_shell_title_image_type (image), + gimp_display_shell_title_image_precision (image)); + break; + + case 'T': /* drawable type */ + if (drawable) + { + const Babl *format = gimp_drawable_get_format (drawable); + + i += print (title, title_len, i, "%s", + gimp_babl_format_get_description (format)); + } + break; + + case 's': /* user source zoom factor */ + i += print (title, title_len, i, "%d", denom); + break; + + case 'd': /* user destination zoom factor */ + i += print (title, title_len, i, "%d", num); + break; + + case 'z': /* user zoom factor (percentage) */ + { + gdouble scale = gimp_zoom_model_get_factor (shell->zoom); + + i += print (title, title_len, i, + scale >= 0.15 ? "%.0f" : "%.2f", 100.0 * scale); + } + break; + + case 'D': /* dirty flag */ + if (format[1] == 0) + { + /* format string ends within %D-sequence, print literal '%D' */ + i += print (title, title_len, i, "%%D"); + break; + } + if (gimp_image_is_dirty (image)) + title[i++] = format[1]; + format++; + break; + + case 'C': /* clean flag */ + if (format[1] == 0) + { + /* format string ends within %C-sequence, print literal '%C' */ + i += print (title, title_len, i, "%%C"); + break; + } + if (! gimp_image_is_dirty (image)) + title[i++] = format[1]; + format++; + break; + + case 'B': /* dirty flag (long) */ + if (gimp_image_is_dirty (image)) + i += print (title, title_len, i, "%s", _("(modified)")); + break; + + case 'A': /* clean flag (long) */ + if (! gimp_image_is_dirty (image)) + i += print (title, title_len, i, "%s", _("(clean)")); + break; + + case 'N': /* not-exported flag */ + if (format[1] == 0) + { + /* format string ends within %E-sequence, print literal '%E' */ + i += print (title, title_len, i, "%%N"); + break; + } + if (gimp_image_is_export_dirty (image)) + title[i++] = format[1]; + format++; + break; + + case 'E': /* exported flag */ + if (format[1] == 0) + { + /* format string ends within %E-sequence, print literal '%E' */ + i += print (title, title_len, i, "%%E"); + break; + } + if (! gimp_image_is_export_dirty (image)) + title[i++] = format[1]; + format++; + break; + + case 'm': /* memory used by image */ + { + GimpObject *object = GIMP_OBJECT (image); + gchar *str; + + str = g_format_size (gimp_object_get_memsize (object, NULL)); + i += print (title, title_len, i, "%s", str); + g_free (str); + } + break; + + case 'M': /* image size in megapixels */ + i += print (title, title_len, i, "%.1f", + (gdouble) gimp_image_get_width (image) * + (gdouble) gimp_image_get_height (image) / 1000000.0); + break; + + case 'l': /* number of layers */ + i += print (title, title_len, i, "%d", + gimp_image_get_n_layers (image)); + break; + + case 'L': /* number of layers (long) */ + { + gint num = gimp_image_get_n_layers (image); + + i += print (title, title_len, i, + ngettext ("%d layer", "%d layers", num), num); + } + break; + + case 'n': /* active drawable name */ + if (drawable) + { + gchar *desc; + + desc = gimp_viewable_get_description (GIMP_VIEWABLE (drawable), + NULL); + i += print (title, title_len, i, "%s", desc); + g_free (desc); + } + else + { + i += print (title, title_len, i, "%s", _("(none)")); + } + break; + + case 'P': /* active drawable PDB id */ + if (drawable) + i += print (title, title_len, i, "%d", + gimp_item_get_ID (GIMP_ITEM (drawable))); + else + i += print (title, title_len, i, "%s", _("(none)")); + break; + + case 'W': /* width in real-world units */ + if (shell->unit != GIMP_UNIT_PIXEL) + { + gdouble xres; + gdouble yres; + gchar unit_format[8]; + + gimp_image_get_resolution (image, &xres, &yres); + + g_snprintf (unit_format, sizeof (unit_format), "%%.%df", + gimp_unit_get_scaled_digits (shell->unit, xres)); + i += print (title, title_len, i, unit_format, + gimp_pixels_to_units (gimp_image_get_width (image), + shell->unit, xres)); + break; + } + /* else fallthru */ + + case 'w': /* width in pixels */ + i += print (title, title_len, i, "%d", + gimp_image_get_width (image)); + break; + + case 'H': /* height in real-world units */ + if (shell->unit != GIMP_UNIT_PIXEL) + { + gdouble xres; + gdouble yres; + gchar unit_format[8]; + + gimp_image_get_resolution (image, &xres, &yres); + + g_snprintf (unit_format, sizeof (unit_format), "%%.%df", + gimp_unit_get_scaled_digits (shell->unit, yres)); + i += print (title, title_len, i, unit_format, + gimp_pixels_to_units (gimp_image_get_height (image), + shell->unit, yres)); + break; + } + /* else fallthru */ + + case 'h': /* height in pixels */ + i += print (title, title_len, i, "%d", + gimp_image_get_height (image)); + break; + + case 'u': /* unit symbol */ + i += print (title, title_len, i, "%s", + gimp_unit_get_symbol (shell->unit)); + break; + + case 'U': /* unit abbreviation */ + i += print (title, title_len, i, "%s", + gimp_unit_get_abbreviation (shell->unit)); + break; + + case 'X': /* drawable width in real world units */ + if (drawable && shell->unit != GIMP_UNIT_PIXEL) + { + gdouble xres; + gdouble yres; + gchar unit_format[8]; + + gimp_image_get_resolution (image, &xres, &yres); + + g_snprintf (unit_format, sizeof (unit_format), "%%.%df", + gimp_unit_get_scaled_digits (shell->unit, xres)); + i += print (title, title_len, i, unit_format, + gimp_pixels_to_units (gimp_item_get_width + (GIMP_ITEM (drawable)), + shell->unit, xres)); + break; + } + /* else fallthru */ + + case 'x': /* drawable width in pixels */ + if (drawable) + i += print (title, title_len, i, "%d", + gimp_item_get_width (GIMP_ITEM (drawable))); + break; + + case 'Y': /* drawable height in real world units */ + if (drawable && shell->unit != GIMP_UNIT_PIXEL) + { + gdouble xres; + gdouble yres; + gchar unit_format[8]; + + gimp_image_get_resolution (image, &xres, &yres); + + g_snprintf (unit_format, sizeof (unit_format), "%%.%df", + gimp_unit_get_scaled_digits (shell->unit, yres)); + i += print (title, title_len, i, unit_format, + gimp_pixels_to_units (gimp_item_get_height + (GIMP_ITEM (drawable)), + shell->unit, yres)); + break; + } + /* else fallthru */ + + case 'y': /* drawable height in pixels */ + if (drawable) + i += print (title, title_len, i, "%d", + gimp_item_get_height (GIMP_ITEM (drawable))); + break; + + case 'o': /* image's color profile name */ + if (gimp_image_get_is_color_managed (image)) + { + GimpColorManaged *managed = GIMP_COLOR_MANAGED (image); + GimpColorProfile *profile; + + profile = gimp_color_managed_get_color_profile (managed); + + i += print (title, title_len, i, "%s", + gimp_color_profile_get_label (profile)); + } + else + { + i += print (title, title_len, i, "%s", + _("not color managed")); + } + break; + + case 'e': /* display's offsets in pixels */ + { + gdouble scale = gimp_zoom_model_get_factor (shell->zoom); + gdouble offset_x = shell->offset_x / scale; + gdouble offset_y = shell->offset_y / scale; + + i += print (title, title_len, i, + scale >= 0.15 ? "%.0fx%.0f" : "%.2fx%.2f", + offset_x, offset_y); + } + break; + + case 'r': /* view rotation angle in degrees */ + { + i += print (title, title_len, i, "%.1f", shell->rotate_angle); + } + break; + + case '\xc3': /* utf-8 extended char */ + { + format ++; + switch (*format) + { + case '\xbe': + /* line actually written at 23:55 on an Easter Sunday */ + i += print (title, title_len, i, "42"); + break; + + default: + /* in the case of an unhandled utf-8 extended char format + * leave the format string parsing as it was + */ + format--; + break; + } + } + break; + + /* Other cool things to be added: + * %r = xresolution + * %R = yresolution + * %ø = image's fractal dimension + * %þ = the answer to everything - (implemented) + */ + + default: + /* format string contains unknown %-sequence, print it literally */ + i += print (title, title_len, i, "%%%c", *format); + break; + } + break; + + default: + title[i++] = *format; + break; + } + + format++; + } + + title[MIN (i, title_len - 1)] = '\0'; + + return i; +} |