ui/gtk/display.c

Sun, 11 Feb 2024 22:06:23 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sun, 11 Feb 2024 22:06:23 +0100
branch
newapi
changeset 253
087cc9216f28
parent 174
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child 261
b39f0e61fd99
permissions
-rw-r--r--

initial newapi GTK port

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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2017 Olaf Wintermann. All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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28
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29 #include <stdio.h>
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30 #include <stdlib.h>
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31
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32 #include "display.h"
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33 #include "container.h"
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34 #include "../common/context.h"
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35 #include "../common/object.h"
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36
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37 static void set_alignment(GtkWidget *widget, float xalign, float yalign) {
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38 #if GTK_MAJOR_VERSION >= 3 && GTK_MINOR_VERSION >= 16
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39 gtk_label_set_xalign(GTK_LABEL(widget), xalign);
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40 gtk_label_set_yalign(GTK_LABEL(widget), yalign);
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41 #else
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42 gtk_misc_set_alignment(GTK_MISC(widget), xalign, yalign);
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43 #endif
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44 }
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45
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46 UIWIDGET ui_label(UiObject *obj, char *label) {
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47 GtkWidget *widget = gtk_label_new(label);
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48
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49 UiContainer *ct = uic_get_current_container(obj);
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50 ct->add(ct, widget, FALSE);
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51
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52 return widget;
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53 }
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54
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55 UIWIDGET ui_llabel(UiObject *obj, char *label) {
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56 UIWIDGET widget = ui_label(obj, label);
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57 set_alignment(widget, 0, .5);
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58 return widget;
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59 }
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61 UIWIDGET ui_rlabel(UiObject *obj, char *label) {
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62 UIWIDGET widget = ui_label(obj, label);
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63 //gtk_label_set_justify(GTK_LABEL(widget), GTK_JUSTIFY_RIGHT);
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64
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65 set_alignment(widget, 1, .5);
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66 return widget;
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67 }
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69 UIWIDGET ui_space(UiObject *obj) {
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70 GtkWidget *widget = gtk_label_new("");
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71 UiContainer *ct = uic_get_current_container(obj);
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72 ct->add(ct, widget, TRUE);
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74 return widget;
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75 }
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77 UIWIDGET ui_separator(UiObject *obj) {
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78 #if UI_GTK3
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79 GtkWidget *widget = gtk_separator_new(GTK_ORIENTATION_HORIZONTAL);
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80 #else
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81 GtkWidget *widget = gtk_hseparator_new();
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82 #endif
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83 UiContainer *ct = uic_get_current_container(obj);
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84 ct->add(ct, widget, FALSE);
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85
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86 return widget;
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87 }
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88
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89 /* ------------------------- progress bar ------------------------- */
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90
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91 UIWIDGET ui_progressbar(UiObject *obj, UiDouble *value) {
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92 UiVar *var = malloc(sizeof(UiVar));
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93 var->value = value;
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94 var->type = UI_VAR_SPECIAL;
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95 return ui_progressbar_var(obj, var);
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96 }
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97
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98 UIWIDGET ui_progressbar_nv(UiObject *obj, char *varname) {
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99 UiVar *var = uic_create_var(obj->ctx, varname, UI_VAR_DOUBLE);
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100 return ui_progressbar_var(obj, var);
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101 }
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102
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103 UIWIDGET ui_progressbar_var(UiObject *obj, UiVar *var) {
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104 GtkWidget *progressbar = gtk_progress_bar_new();
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105 if(var && var->value) {
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106 UiDouble *value = var->value;
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107 value->get = ui_progressbar_get;
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108 value->set = ui_progressbar_set;
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109 value->obj = progressbar;
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110 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progressbar), 0.5);
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111 }
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112
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113 UiContainer *ct = uic_get_current_container(obj);
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114 ct->add(ct, progressbar, FALSE);
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115
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116 return progressbar;
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117 }
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118
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119 double ui_progressbar_get(UiDouble *d) {
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120 d->value = gtk_progress_bar_get_fraction(GTK_PROGRESS_BAR(d->obj));
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121 return d->value;
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122 }
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123
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124 void ui_progressbar_set(UiDouble *d, double value) {
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125 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(d->obj), value);
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126 d->value = value;
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127 }

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