Mercurial > cropper

annotate callbacks.c @ 3:6aaba3a61563

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added ratio control code
author meillo@marmaro.de
date Wed, 05 Dec 2007 00:08:39 +0100
parents e359bea4c8ac
children 2f11ab3e6047
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1 #include <gtk/gtk.h>
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3 #include "main.h"
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4 #include "callbacks.h"
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5 #include "interface.h"
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6 #include "support.h"
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9 void update_spin_button_ratio(GtkWidget* spinbutton) {
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10 g_print("ratio change: %f\n", ratio);
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11 /*gtk_spin_button_set_value((spinbutton), gtk_spin_button_get_value(spinbutton));*/
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12 /*gtk_spin_button_update(spinbutton);*/
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13 on_ratio_w_spinbutton_value_changed(spinbutton, NULL);
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14 }
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16 void on_ratio_none_activate (GtkMenuItem* menuitem, gpointer user_data) {
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17 ratio = (double) 1;
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18 update_spin_button_ratio(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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22 void on_ratio_square_activate (GtkMenuItem* menuitem, gpointer user_data) {
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23 ratio = (double) 1;
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24 update_spin_button_ratio(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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25 }
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28 void on_ratio_4x3_activate (GtkMenuItem* menuitem, gpointer user_data) {
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29 ratio = (double) 4/3;
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30 update_spin_button_ratio(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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34 void on_ratio_3x2_activate (GtkMenuItem* menuitem, gpointer user_data) {
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35 ratio = (double) 3/2;
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36 update_spin_button_ratio(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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40 void on_ratio_custom_activate (GtkMenuItem* menuitem, gpointer user_data) {
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41 ratio = (double) gtk_spin_button_get_value_as_int(lookup_widget(cropper_window, "ratio_w_spinbutton")) / gtk_spin_button_get_value_as_int(lookup_widget(cropper_window, "ratio_h_spinbutton"));
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42 update_spin_button_ratio(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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43 }
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49 void on_ratio_w_spinbutton_value_changed (GtkSpinButton* spinbutton, gpointer user_data) {
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50 /*gtk_spin_button_set_value(lookup_widget(cropper_window, "ratio_h_spinbutton"), gtk_spin_button_get_value(spinbutton) / ratio);*/
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51 g_print("spinbutton W - ratio: %f\n", ratio);
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52 gtk_spin_button_set_value(lookup_widget(cropper_window, "ratio_h_spinbutton"), gtk_spin_button_get_value(spinbutton) / ratio);
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56 void on_ratio_w_spinbutton_change_value (GtkSpinButton* spinbutton, GtkScrollType scroll, gpointer user_data) {
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60 void on_ratio_h_spinbutton_change_value (GtkSpinButton* spinbutton, GtkScrollType scroll, gpointer user_data) {
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64 void on_ratio_h_spinbutton_value_changed (GtkSpinButton* spinbutton, gpointer user_data) {
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65 /*gtk_spin_button_set_value(lookup_widget(cropper_window, "ratio_w_spinbutton"), gtk_spin_button_get_value(spinbutton) * ratio);*/
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66 g_print("spinbutton H - ratio: %f\n", ratio);
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67 gtk_spin_button_set_value(lookup_widget(cropper_window, "ratio_w_spinbutton"), gtk_spin_button_get_value(spinbutton) * ratio);
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69 }
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72 void on_ratio_swap_button_clicked (GtkButton* button, gpointer user_data) {
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74 ratio = 1.0 / ratio;
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75 gtk_spin_button_set_value(lookup_widget(cropper_window, "ratio_w_spinbutton"), gtk_spin_button_get_value(lookup_widget(cropper_window, "ratio_h_spinbutton")));
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76 gtk_spin_button_update(lookup_widget(cropper_window, "ratio_w_spinbutton"));
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84 gboolean on_cropper_window_delete_event (GtkWidget* widget, GdkEvent *event, gpointer user_data) {
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85 /* g_print("thanks for using the program - visit http://prog.marmaro.de\n"); */
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86 return FALSE;
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89 void on_cropper_window_destroy (GtkObject* object, gpointer user_data) {
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90 gtk_main_quit();
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91 }
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