[gimp/wip/gradient-edit: 33/42] app: implement blend tool gui for gradient endpoints
- From: N/A <ell src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gimp/wip/gradient-edit: 33/42] app: implement blend tool gui for gradient endpoints
- Date: Fri, 6 Oct 2017 20:05:47 +0000 (UTC)
commit aea94f65f485268c235b8d6d2eb8b59f8d4e9acd
Author: Ell <ell_se yahoo com>
Date: Thu Aug 3 01:05:44 2017 -0400
app: implement blend tool gui for gradient endpoints
Allows setting the endpoint's position, its color, and its color
type.
app/core/core-enums.c | 10 +-
app/core/core-enums.h | 10 +-
app/tools/gimpblendtool-editor.c | 592 +++++++++++++++++++++++++++++++++++---
app/tools/gimpblendtool.h | 4 +
4 files changed, 561 insertions(+), 55 deletions(-)
---
diff --git a/app/core/core-enums.c b/app/core/core-enums.c
index 174436e..1e1570e 100644
--- a/app/core/core-enums.c
+++ b/app/core/core-enums.c
@@ -983,11 +983,11 @@ gimp_gradient_color_get_type (void)
static const GimpEnumDesc descs[] =
{
- { GIMP_GRADIENT_COLOR_FIXED, "GIMP_GRADIENT_COLOR_FIXED", NULL },
- { GIMP_GRADIENT_COLOR_FOREGROUND, "GIMP_GRADIENT_COLOR_FOREGROUND", NULL },
- { GIMP_GRADIENT_COLOR_FOREGROUND_TRANSPARENT, "GIMP_GRADIENT_COLOR_FOREGROUND_TRANSPARENT", NULL },
- { GIMP_GRADIENT_COLOR_BACKGROUND, "GIMP_GRADIENT_COLOR_BACKGROUND", NULL },
- { GIMP_GRADIENT_COLOR_BACKGROUND_TRANSPARENT, "GIMP_GRADIENT_COLOR_BACKGROUND_TRANSPARENT", NULL },
+ { GIMP_GRADIENT_COLOR_FIXED, NC_("gradient-color", "Fixed"), NULL },
+ { GIMP_GRADIENT_COLOR_FOREGROUND, NC_("gradient-color", "FG"), NULL },
+ { GIMP_GRADIENT_COLOR_FOREGROUND_TRANSPARENT, NC_("gradient-color", "FG (t)"), NULL },
+ { GIMP_GRADIENT_COLOR_BACKGROUND, NC_("gradient-color", "BG"), NULL },
+ { GIMP_GRADIENT_COLOR_BACKGROUND_TRANSPARENT, NC_("gradient-color", "BG (t)"), NULL },
{ 0, NULL, NULL }
};
diff --git a/app/core/core-enums.h b/app/core/core-enums.h
index da34406..429de3a 100644
--- a/app/core/core-enums.h
+++ b/app/core/core-enums.h
@@ -464,11 +464,11 @@ GType gimp_gradient_color_get_type (void) G_GNUC_CONST;
typedef enum /*< pdb-skip >*/
{
- GIMP_GRADIENT_COLOR_FIXED,
- GIMP_GRADIENT_COLOR_FOREGROUND,
- GIMP_GRADIENT_COLOR_FOREGROUND_TRANSPARENT,
- GIMP_GRADIENT_COLOR_BACKGROUND,
- GIMP_GRADIENT_COLOR_BACKGROUND_TRANSPARENT
+ GIMP_GRADIENT_COLOR_FIXED, /*< desc="Fixed" >*/
+ GIMP_GRADIENT_COLOR_FOREGROUND, /*< desc="FG" >*/
+ GIMP_GRADIENT_COLOR_FOREGROUND_TRANSPARENT, /*< desc="FG (t)" >*/
+ GIMP_GRADIENT_COLOR_BACKGROUND, /*< desc="BG" >*/
+ GIMP_GRADIENT_COLOR_BACKGROUND_TRANSPARENT /*< desc="BG (t)" >*/
} GimpGradientColor;
diff --git a/app/tools/gimpblendtool-editor.c b/app/tools/gimpblendtool-editor.c
index 2487477..67a085c 100644
--- a/app/tools/gimpblendtool-editor.c
+++ b/app/tools/gimpblendtool-editor.c
@@ -21,6 +21,7 @@
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
+#include "libgimpbase/gimpbase.h"
#include "libgimpmath/gimpmath.h"
#include "libgimpwidgets/gimpwidgets.h"
@@ -31,10 +32,14 @@
#include "core/gimpdata.h"
#include "core/gimpgradient.h"
#include "core/gimp-gradients.h"
+#include "core/gimpimage.h"
+#include "widgets/gimpcolorpanel.h"
+#include "widgets/gimpeditor.h"
#include "widgets/gimpwidgets-utils.h"
#include "display/gimpdisplay.h"
+#include "display/gimpdisplayshell.h"
#include "display/gimptoolgui.h"
#include "display/gimptoolline.h"
@@ -48,53 +53,79 @@
#define EPSILON 1e-10
+typedef enum
+{
+ DIRECTION_NONE,
+ DIRECTION_LEFT,
+ DIRECTION_RIGHT
+} Direction;
+
+
/* local function prototypes */
-static gboolean gimp_blend_tool_editor_line_can_add_slider (GimpToolLine *line,
- gdouble value,
- GimpBlendTool *blend_tool);
-static gint gimp_blend_tool_editor_line_add_slider (GimpToolLine *line,
- gdouble value,
- GimpBlendTool *blend_tool);
-static void gimp_blend_tool_editor_line_remove_slider (GimpToolLine *line,
- gint slider,
- GimpBlendTool *blend_tool);
-static void gimp_blend_tool_editor_line_selection_changed (GimpToolLine *line,
- GimpBlendTool *blend_tool);
-static gboolean gimp_blend_tool_editor_line_handle_clicked (GimpToolLine *line,
- gint handle,
- GdkModifierType state,
- GimpButtonPressType press_type,
- GimpBlendTool *blend_tool);
-
-static void gimp_blend_tool_editor_gui_response (GimpToolGui *gui,
- gint response_id,
- GimpBlendTool *blend_tool);
-
-static gboolean gimp_blend_tool_editor_is_gradient_editable (GimpBlendTool *blend_tool);
-
-static gboolean gimp_blend_tool_editor_handle_is_endpoint (GimpBlendTool *blend_tool,
- gint handle);
-static gboolean gimp_blend_tool_editor_handle_is_stop (GimpBlendTool *blend_tool,
- gint handle);
-static gboolean gimp_blend_tool_editor_handle_is_midpoint (GimpBlendTool *blend_tool,
- gint handle);
-static GimpGradientSegment * gimp_blend_tool_editor_handle_get_segment (GimpBlendTool *blend_tool,
- gint handle);
-
-static void gimp_blend_tool_editor_block_handlers (GimpBlendTool *blend_tool);
-static void gimp_blend_tool_editor_unblock_handlers (GimpBlendTool *blend_tool);
-static gboolean gimp_blend_tool_editor_are_handlers_blocked (GimpBlendTool *blend_tool);
-
-static void gimp_blend_tool_editor_freeze_gradient (GimpBlendTool *blend_tool);
-static void gimp_blend_tool_editor_thaw_gradient (GimpBlendTool *blend_tool);
-
-static gint gimp_blend_tool_editor_add_stop (GimpBlendTool *blend_tool,
- gdouble value);
-
-static void gimp_blend_tool_editor_update_sliders (GimpBlendTool *blend_tool);
-
-static void gimp_blend_tool_editor_update_gui (GimpBlendTool *blend_tool);
+static gboolean gimp_blend_tool_editor_line_can_add_slider (GimpToolLine *line,
+ gdouble value,
+ GimpBlendTool
*blend_tool);
+static gint gimp_blend_tool_editor_line_add_slider (GimpToolLine *line,
+ gdouble value,
+ GimpBlendTool
*blend_tool);
+static void gimp_blend_tool_editor_line_remove_slider (GimpToolLine *line,
+ gint slider,
+ GimpBlendTool
*blend_tool);
+static void gimp_blend_tool_editor_line_selection_changed (GimpToolLine *line,
+ GimpBlendTool
*blend_tool);
+static gboolean gimp_blend_tool_editor_line_handle_clicked (GimpToolLine *line,
+ gint handle,
+ GdkModifierType state,
+ GimpButtonPressType
press_type,
+ GimpBlendTool
*blend_tool);
+
+static void gimp_blend_tool_editor_gui_response (GimpToolGui *gui,
+ gint
response_id,
+ GimpBlendTool
*blend_tool);
+
+static void gimp_blend_tool_editor_color_entry_color_changed (GimpColorButton
*button,
+ GimpBlendTool
*blend_tool);
+
+static void gimp_blend_tool_editor_color_entry_type_changed (GtkComboBox *combo,
+ GimpBlendTool
*blend_tool);
+
+static void gimp_blend_tool_editor_endpoint_se_value_changed (GimpSizeEntry *se,
+ GimpBlendTool
*blend_tool);
+
+static gboolean gimp_blend_tool_editor_is_gradient_editable (GimpBlendTool
*blend_tool);
+
+static gboolean gimp_blend_tool_editor_handle_is_endpoint (GimpBlendTool
*blend_tool,
+ gint
handle);
+static gboolean gimp_blend_tool_editor_handle_is_stop (GimpBlendTool
*blend_tool,
+ gint
handle);
+static gboolean gimp_blend_tool_editor_handle_is_midpoint (GimpBlendTool
*blend_tool,
+ gint
handle);
+static GimpGradientSegment * gimp_blend_tool_editor_handle_get_segment (GimpBlendTool
*blend_tool,
+ gint
handle);
+
+static void gimp_blend_tool_editor_block_handlers (GimpBlendTool
*blend_tool);
+static void gimp_blend_tool_editor_unblock_handlers (GimpBlendTool
*blend_tool);
+static gboolean gimp_blend_tool_editor_are_handlers_blocked (GimpBlendTool
*blend_tool);
+
+static void gimp_blend_tool_editor_freeze_gradient (GimpBlendTool
*blend_tool);
+static void gimp_blend_tool_editor_thaw_gradient (GimpBlendTool
*blend_tool);
+
+static gint gimp_blend_tool_editor_add_stop (GimpBlendTool
*blend_tool,
+ gdouble value);
+
+static void gimp_blend_tool_editor_update_sliders (GimpBlendTool
*blend_tool);
+
+static GtkWidget * gimp_blend_tool_editor_color_entry_new (GimpBlendTool
*blend_tool,
+ const gchar *title,
+ Direction
direction,
+ GtkWidget
*chain_button,
+ GtkWidget
**color_panel,
+ GtkWidget
**type_combo);
+static void gimp_blend_tool_editor_init_endpoint_gui (GimpBlendTool
*blend_tool);
+static void gimp_blend_tool_editor_update_endpoint_gui (GimpBlendTool
*blend_tool,
+ gint
selection);
+static void gimp_blend_tool_editor_update_gui (GimpBlendTool
*blend_tool);
/* private functions */
@@ -152,6 +183,14 @@ static void
gimp_blend_tool_editor_line_selection_changed (GimpToolLine *line,
GimpBlendTool *blend_tool)
{
+ if (blend_tool->gui)
+ {
+ /* hide all color dialogs */
+ gimp_color_panel_dialog_response (
+ GIMP_COLOR_PANEL (blend_tool->endpoint_color_panel),
+ GIMP_COLOR_DIALOG_OK);
+ }
+
gimp_blend_tool_editor_update_gui (blend_tool);
}
@@ -204,6 +243,201 @@ gimp_blend_tool_editor_gui_response (GimpToolGui *gui,
}
}
+static void
+gimp_blend_tool_editor_color_entry_color_changed (GimpColorButton *button,
+ GimpBlendTool *blend_tool)
+{
+ GimpBlendOptions *options = GIMP_BLEND_TOOL_GET_OPTIONS (blend_tool);
+ GimpPaintOptions *paint_options = GIMP_PAINT_OPTIONS (options);
+ gint selection;
+ GimpRGB color;
+ Direction direction;
+ GtkWidget *chain_button;
+ GimpGradientSegment *seg;
+
+ if (gimp_blend_tool_editor_are_handlers_blocked (blend_tool))
+ return;
+
+ selection =
+ gimp_tool_line_get_selection (GIMP_TOOL_LINE (blend_tool->widget));
+
+ gimp_color_button_get_color (button, &color);
+
+ direction =
+ GPOINTER_TO_INT (g_object_get_data (G_OBJECT (button),
+ "gimp-blend-tool-editor-direction"));
+ chain_button = g_object_get_data (G_OBJECT (button),
+ "gimp-blend-tool-editor-chain-button");
+
+ gimp_blend_tool_editor_freeze_gradient (blend_tool);
+
+ /* swap the endpoint handles, if necessary */
+ if (paint_options->gradient_options->gradient_reverse)
+ {
+ switch (selection)
+ {
+ case GIMP_TOOL_LINE_HANDLE_START:
+ selection = GIMP_TOOL_LINE_HANDLE_END;
+ break;
+
+ case GIMP_TOOL_LINE_HANDLE_END:
+ selection = GIMP_TOOL_LINE_HANDLE_START;
+ break;
+ }
+ }
+
+ seg = gimp_blend_tool_editor_handle_get_segment (blend_tool, selection);
+
+ switch (selection)
+ {
+ case GIMP_TOOL_LINE_HANDLE_START:
+ seg->left_color = color;
+ seg->left_color_type = GIMP_GRADIENT_COLOR_FIXED;
+ break;
+
+ case GIMP_TOOL_LINE_HANDLE_END:
+ seg->right_color = color;
+ seg->right_color_type = GIMP_GRADIENT_COLOR_FIXED;
+ break;
+
+ default:
+ if (direction == DIRECTION_LEFT ||
+ (chain_button &&
+ gimp_chain_button_get_active (GIMP_CHAIN_BUTTON (chain_button))))
+ {
+ seg->right_color = color;
+ seg->right_color_type = GIMP_GRADIENT_COLOR_FIXED;
+ }
+
+ if (direction == DIRECTION_RIGHT ||
+ (chain_button &&
+ gimp_chain_button_get_active (GIMP_CHAIN_BUTTON (chain_button))))
+ {
+ seg->next->left_color = color;
+ seg->next->left_color_type = GIMP_GRADIENT_COLOR_FIXED;
+ }
+ }
+
+ gimp_blend_tool_editor_thaw_gradient (blend_tool);
+}
+
+static void
+gimp_blend_tool_editor_color_entry_type_changed (GtkComboBox *combo,
+ GimpBlendTool *blend_tool)
+{
+ GimpBlendOptions *options = GIMP_BLEND_TOOL_GET_OPTIONS (blend_tool);
+ GimpPaintOptions *paint_options = GIMP_PAINT_OPTIONS (options);
+ gint selection;
+ gint color_type;
+ Direction direction;
+ GtkWidget *chain_button;
+ GimpGradientSegment *seg;
+
+ if (gimp_blend_tool_editor_are_handlers_blocked (blend_tool))
+ return;
+
+ selection =
+ gimp_tool_line_get_selection (GIMP_TOOL_LINE (blend_tool->widget));
+
+ if (! gimp_int_combo_box_get_active (GIMP_INT_COMBO_BOX (combo), &color_type))
+ return;
+
+ direction =
+ GPOINTER_TO_INT (g_object_get_data (G_OBJECT (combo),
+ "gimp-blend-tool-editor-direction"));
+ chain_button = g_object_get_data (G_OBJECT (combo),
+ "gimp-blend-tool-editor-chain-button");
+
+ gimp_blend_tool_editor_freeze_gradient (blend_tool);
+
+ /* swap the endpoint handles, if necessary */
+ if (paint_options->gradient_options->gradient_reverse)
+ {
+ switch (selection)
+ {
+ case GIMP_TOOL_LINE_HANDLE_START:
+ selection = GIMP_TOOL_LINE_HANDLE_END;
+ break;
+
+ case GIMP_TOOL_LINE_HANDLE_END:
+ selection = GIMP_TOOL_LINE_HANDLE_START;
+ break;
+ }
+ }
+
+ seg = gimp_blend_tool_editor_handle_get_segment (blend_tool, selection);
+
+ switch (selection)
+ {
+ case GIMP_TOOL_LINE_HANDLE_START:
+ seg->left_color_type = color_type;
+ break;
+
+ case GIMP_TOOL_LINE_HANDLE_END:
+ seg->right_color_type = color_type;
+ break;
+
+ default:
+ if (direction == DIRECTION_LEFT ||
+ (chain_button &&
+ gimp_chain_button_get_active (GIMP_CHAIN_BUTTON (chain_button))))
+ {
+ seg->right_color_type = color_type;
+ }
+
+ if (direction == DIRECTION_RIGHT ||
+ (chain_button &&
+ gimp_chain_button_get_active (GIMP_CHAIN_BUTTON (chain_button))))
+ {
+ seg->next->left_color_type = color_type;
+ }
+ }
+
+ gimp_blend_tool_editor_thaw_gradient (blend_tool);
+}
+
+static void
+gimp_blend_tool_editor_endpoint_se_value_changed (GimpSizeEntry *se,
+ GimpBlendTool *blend_tool)
+{
+ gint selection;
+ gdouble x;
+ gdouble y;
+
+ if (gimp_blend_tool_editor_are_handlers_blocked (blend_tool))
+ return;
+
+ selection =
+ gimp_tool_line_get_selection (GIMP_TOOL_LINE (blend_tool->widget));
+
+ x = gimp_size_entry_get_refval (se, 0);
+ y = gimp_size_entry_get_refval (se, 1);
+
+ gimp_blend_tool_editor_block_handlers (blend_tool);
+
+ switch (selection)
+ {
+ case GIMP_TOOL_LINE_HANDLE_START:
+ g_object_set (blend_tool->widget,
+ "x1", x,
+ "y1", y,
+ NULL);
+ break;
+
+ case GIMP_TOOL_LINE_HANDLE_END:
+ g_object_set (blend_tool->widget,
+ "x2", x,
+ "y2", y,
+ NULL);
+ break;
+
+ default:
+ g_assert_not_reached ();
+ }
+
+ gimp_blend_tool_editor_unblock_handlers (blend_tool);
+}
+
static gboolean
gimp_blend_tool_editor_is_gradient_editable (GimpBlendTool *blend_tool)
{
@@ -468,6 +702,263 @@ gimp_blend_tool_editor_update_sliders (GimpBlendTool *blend_tool)
g_free (sliders);
}
+static GtkWidget *
+gimp_blend_tool_editor_color_entry_new (GimpBlendTool *blend_tool,
+ const gchar *title,
+ Direction direction,
+ GtkWidget *chain_button,
+ GtkWidget **color_panel,
+ GtkWidget **type_combo)
+{
+ GimpContext *context = GIMP_CONTEXT (GIMP_BLEND_TOOL_GET_OPTIONS (blend_tool));
+ GtkWidget *hbox;
+ GtkWidget *button;
+ GtkWidget *combo;
+ GimpRGB color = {};
+
+ hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 2);
+
+ /* the color panel */
+ *color_panel = button = gimp_color_panel_new (title, &color,
+ GIMP_COLOR_AREA_SMALL_CHECKS,
+ 24, 24);
+ gimp_color_button_set_update (GIMP_COLOR_BUTTON (button), TRUE);
+ gimp_color_panel_set_context (GIMP_COLOR_PANEL (button), context);
+ gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
+ gtk_widget_show (button);
+
+ g_object_set_data (G_OBJECT (button),
+ "gimp-blend-tool-editor-direction",
+ GINT_TO_POINTER (direction));
+ g_object_set_data (G_OBJECT (button),
+ "gimp-blend-tool-editor-chain-button",
+ chain_button);
+
+ g_signal_connect (button, "color-changed",
+ G_CALLBACK (gimp_blend_tool_editor_color_entry_color_changed),
+ blend_tool);
+
+ /* the color type combo */
+ *type_combo = combo = gimp_enum_combo_box_new (GIMP_TYPE_GRADIENT_COLOR);
+ gtk_box_pack_start (GTK_BOX (hbox), combo, FALSE, TRUE, 0);
+ gtk_widget_show (combo);
+
+ g_object_set_data (G_OBJECT (combo),
+ "gimp-blend-tool-editor-direction",
+ GINT_TO_POINTER (direction));
+ g_object_set_data (G_OBJECT (combo),
+ "gimp-blend-tool-editor-chain-button",
+ chain_button);
+
+ g_signal_connect (combo, "changed",
+ G_CALLBACK (gimp_blend_tool_editor_color_entry_type_changed),
+ blend_tool);
+
+ return hbox;
+}
+
+static void
+gimp_blend_tool_editor_init_endpoint_gui (GimpBlendTool *blend_tool)
+{
+ GimpDisplay *display = GIMP_TOOL (blend_tool)->display;
+ GimpDisplayShell *shell = gimp_display_get_shell (display);
+ GimpImage *image = gimp_display_get_image (display);
+ gdouble xres;
+ gdouble yres;
+ GtkWidget *editor;
+ GtkWidget *table;
+ GtkWidget *label;
+ GtkWidget *spinbutton;
+ GtkWidget *se;
+ GtkWidget *hbox;
+ gint row = 0;
+
+ gimp_image_get_resolution (image, &xres, &yres);
+
+ /* the endpoint editor */
+ blend_tool->endpoint_editor =
+ editor = gimp_editor_new ();
+ gtk_box_pack_start (GTK_BOX (gimp_tool_gui_get_vbox (blend_tool->gui)),
+ editor, FALSE, TRUE, 0);
+
+ /* the main table */
+ table = gtk_table_new (1, 2, FALSE);
+ gtk_table_set_row_spacings (GTK_TABLE (table), 4);
+ gtk_table_set_col_spacings (GTK_TABLE (table), 4);
+ gtk_box_pack_start (GTK_BOX (editor), table, FALSE, TRUE, 0);
+ gtk_widget_show (table);
+
+ /* the position labels */
+ label = gtk_label_new (_("X:"));
+ gtk_label_set_xalign (GTK_LABEL (label), 0.0);
+ gtk_table_attach (GTK_TABLE (table), label, 0, 1, row, row + 1,
+ GTK_SHRINK | GTK_FILL, GTK_SHRINK, 0, 0);
+ gtk_widget_show (label);
+
+ label = gtk_label_new (_("Y:"));
+ gtk_label_set_xalign (GTK_LABEL (label), 0.0);
+ gtk_table_attach (GTK_TABLE (table), label, 0, 1, row + 1, row + 2,
+ GTK_SHRINK | GTK_FILL, GTK_SHRINK, 0, 0);
+ gtk_widget_show (label);
+
+ /* the position size entry */
+ spinbutton = gtk_spin_button_new_with_range (0.0, 0.0, 1.0);
+ gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (spinbutton), TRUE);
+ gtk_entry_set_width_chars (GTK_ENTRY (spinbutton), 6);
+
+ blend_tool->endpoint_se =
+ se = gimp_size_entry_new (1, GIMP_UNIT_PIXEL, "%a",
+ TRUE, TRUE, FALSE, 6,
+ GIMP_SIZE_ENTRY_UPDATE_SIZE);
+ gtk_table_set_row_spacings (GTK_TABLE (se), 4);
+ gtk_table_set_col_spacings (GTK_TABLE (se), 2);
+
+ gimp_size_entry_add_field (GIMP_SIZE_ENTRY (se),
+ GTK_SPIN_BUTTON (spinbutton), NULL);
+ gtk_table_attach_defaults (GTK_TABLE (se), spinbutton, 1, 2, 0, 1);
+ gtk_widget_show (spinbutton);
+
+ gtk_table_attach (GTK_TABLE (table), se, 1, 2, row, row + 2,
+ GTK_SHRINK | GTK_FILL | GTK_EXPAND,
+ GTK_SHRINK | GTK_FILL,
+ 0, 0);
+ gtk_widget_show (se);
+
+ gimp_size_entry_set_unit (GIMP_SIZE_ENTRY (se), shell->unit);
+
+ gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (se), 0, xres, FALSE);
+ gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (se), 1, yres, FALSE);
+
+ gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (se), 0,
+ -GIMP_MAX_IMAGE_SIZE,
+ GIMP_MAX_IMAGE_SIZE);
+ gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (se), 1,
+ -GIMP_MAX_IMAGE_SIZE,
+ GIMP_MAX_IMAGE_SIZE);
+
+ gimp_size_entry_set_size (GIMP_SIZE_ENTRY (se), 0,
+ 0, gimp_image_get_width (image));
+ gimp_size_entry_set_size (GIMP_SIZE_ENTRY (se), 1,
+ 0, gimp_image_get_height (image));
+
+ g_signal_connect (se, "value-changed",
+ G_CALLBACK (gimp_blend_tool_editor_endpoint_se_value_changed),
+ blend_tool);
+
+ row += 2;
+
+ /* the color label */
+ label = gtk_label_new (_("Color:"));
+ gtk_label_set_xalign (GTK_LABEL (label), 0.0);
+ gtk_table_attach (GTK_TABLE (table), label, 0, 1, row, row + 1,
+ GTK_SHRINK | GTK_FILL, GTK_SHRINK, 0, 0);
+ gtk_widget_show (label);
+
+ /* the color entry */
+ hbox = gimp_blend_tool_editor_color_entry_new (
+ blend_tool, _("Change Endpoint Color"), DIRECTION_NONE, NULL,
+ &blend_tool->endpoint_color_panel, &blend_tool->endpoint_type_combo);
+ gtk_table_attach (GTK_TABLE (table), hbox, 1, 2, row, row + 1,
+ GTK_SHRINK | GTK_FILL | GTK_EXPAND,
+ GTK_SHRINK | GTK_FILL,
+ 0, 0);
+ gtk_widget_show (hbox);
+
+ row++;
+}
+
+static void
+gimp_blend_tool_editor_update_endpoint_gui (GimpBlendTool *blend_tool,
+ gint selection)
+{
+ GimpBlendOptions *options = GIMP_BLEND_TOOL_GET_OPTIONS (blend_tool);
+ GimpPaintOptions *paint_options = GIMP_PAINT_OPTIONS (options);
+ GimpContext *context = GIMP_CONTEXT (options);
+ gboolean editable;
+ GimpGradientSegment *seg;
+ const gchar *title;
+ gdouble x;
+ gdouble y;
+ GimpRGB color;
+ GimpGradientColor color_type;
+
+ editable = gimp_blend_tool_editor_is_gradient_editable (blend_tool);
+
+ switch (selection)
+ {
+ case GIMP_TOOL_LINE_HANDLE_START:
+ g_object_get (blend_tool->widget,
+ "x1", &x,
+ "y1", &y,
+ NULL);
+ break;
+
+ case GIMP_TOOL_LINE_HANDLE_END:
+ g_object_get (blend_tool->widget,
+ "x2", &x,
+ "y2", &y,
+ NULL);
+ break;
+
+ default:
+ g_assert_not_reached ();
+ }
+
+ /* swap the endpoint handles, if necessary */
+ if (paint_options->gradient_options->gradient_reverse)
+ {
+ switch (selection)
+ {
+ case GIMP_TOOL_LINE_HANDLE_START:
+ selection = GIMP_TOOL_LINE_HANDLE_END;
+ break;
+
+ case GIMP_TOOL_LINE_HANDLE_END:
+ selection = GIMP_TOOL_LINE_HANDLE_START;
+ break;
+ }
+ }
+
+ seg = gimp_blend_tool_editor_handle_get_segment (blend_tool, selection);
+
+ switch (selection)
+ {
+ case GIMP_TOOL_LINE_HANDLE_START:
+ title = _("Start Endpoint");
+
+ gimp_gradient_segment_get_left_flat_color (blend_tool->gradient, context,
+ seg, &color);
+ color_type = seg->left_color_type;
+ break;
+
+ case GIMP_TOOL_LINE_HANDLE_END:
+ title = _("End Endpoint");
+
+ gimp_gradient_segment_get_right_flat_color (blend_tool->gradient, context,
+ seg, &color);
+ color_type = seg->right_color_type;
+ break;
+
+ default:
+ g_assert_not_reached ();
+ }
+
+ gimp_tool_gui_set_title (blend_tool->gui, title);
+
+ gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (blend_tool->endpoint_se), 0, x);
+ gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (blend_tool->endpoint_se), 1, y);
+
+ gimp_color_button_set_color (
+ GIMP_COLOR_BUTTON (blend_tool->endpoint_color_panel), &color);
+ gimp_int_combo_box_set_active (
+ GIMP_INT_COMBO_BOX (blend_tool->endpoint_type_combo), color_type);
+
+ gtk_widget_set_sensitive (blend_tool->endpoint_color_panel, editable);
+ gtk_widget_set_sensitive (blend_tool->endpoint_type_combo, editable);
+
+ gtk_widget_show (blend_tool->endpoint_editor);
+}
+
static void
gimp_blend_tool_editor_update_gui (GimpBlendTool *blend_tool)
{
@@ -507,8 +998,19 @@ gimp_blend_tool_editor_update_gui (GimpBlendTool *blend_tool)
g_signal_connect (blend_tool->gui, "response",
G_CALLBACK (gimp_blend_tool_editor_gui_response),
blend_tool);
+
+ gimp_blend_tool_editor_init_endpoint_gui (blend_tool);
}
+ gimp_blend_tool_editor_block_handlers (blend_tool);
+
+ if (gimp_blend_tool_editor_handle_is_endpoint (blend_tool, selection))
+ gimp_blend_tool_editor_update_endpoint_gui (blend_tool, selection);
+ else
+ gtk_widget_hide (blend_tool->endpoint_editor);
+
+ gimp_blend_tool_editor_unblock_handlers (blend_tool);
+
gimp_tool_gui_show (blend_tool->gui);
return;
diff --git a/app/tools/gimpblendtool.h b/app/tools/gimpblendtool.h
index a855bef..0eedb7d 100644
--- a/app/tools/gimpblendtool.h
+++ b/app/tools/gimpblendtool.h
@@ -67,6 +67,10 @@ struct _GimpBlendTool
gint block_handlers_count;
GimpToolGui *gui;
+ GtkWidget *endpoint_editor;
+ GtkWidget *endpoint_se;
+ GtkWidget *endpoint_color_panel;
+ GtkWidget *endpoint_type_combo;
};
struct _GimpBlendToolClass
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