| 1 | // ============================================================= // |
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| 2 | // // |
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| 3 | // File : AW_window_ogl.cxx // |
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| 4 | // Purpose : open gl window // |
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| 5 | // // |
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| 6 | // Institute of Microbiology (Technical University Munich) // |
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| 7 | // http://www.arb-home.de/ // |
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| 8 | // // |
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| 9 | // ============================================================= // |
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| 10 | |
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| 11 | #include "aw_window_ogl.hxx" |
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| 12 | |
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| 13 | // Extended by Daniel Koitzsch & Christian Becker 19-05-04 |
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| 14 | |
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| 15 | #ifndef ARB_OPENGL |
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| 16 | #error only compiles in ARB_OPENGL mode |
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| 17 | #endif // ARB_OPENGL |
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| 18 | |
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| 19 | #define GLX_GLXEXT_PROTOTYPES |
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| 20 | |
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| 21 | #include <aw_window_Xm.hxx> |
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| 22 | #include <aw_root.hxx> |
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| 23 | #include <arbdb.h> |
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| 24 | |
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| 25 | #include <Xm/Frame.h> |
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| 26 | #include <Xm/RowColumn.h> |
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| 27 | #include <Xm/DrawingA.h> |
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| 28 | #include <Xm/Form.h> |
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| 29 | #include <Xm/Separator.h> |
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| 30 | #include <Xm/MainW.h> |
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| 31 | #include <Xm/CascadeB.h> |
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| 32 | #include <Xm/MenuShell.h> |
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| 33 | #include <Xm/ScrollBar.h> |
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| 34 | |
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| 35 | #include <X11/IntrinsicP.h> |
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| 36 | #include <X11/StringDefs.h> |
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| 37 | |
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| 38 | #include "GLwMDrawA.h" //* Provides a special motif widget class |
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| 39 | |
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| 40 | // defined here by Yadhu in order to make it more General |
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| 41 | bool AW_alpha_Size_Supported = false; |
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| 42 | |
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| 43 | |
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| 44 | AW_window_menu_modes_opengl::AW_window_menu_modes_opengl() { |
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| 45 | } |
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| 46 | |
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| 47 | AW_window_menu_modes_opengl::~AW_window_menu_modes_opengl() { |
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| 48 | } |
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| 49 | |
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| 50 | void AW_window_menu_modes_opengl::init(AW_root *root_in, const char *wid, |
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| 51 | const char *windowname, int width, int height) { |
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| 52 | |
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| 53 | Widget main_window; |
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| 54 | Widget help_popup; |
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| 55 | Widget help_label; |
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| 56 | Widget separator; |
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| 57 | Widget form1; |
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| 58 | Widget form2; |
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| 59 | const char *help_button = "HELP"; |
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| 60 | const char *help_mnemonic = "H"; |
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| 61 | |
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| 62 | #if defined(DUMP_MENU_LIST) |
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| 63 | initMenuListing(windowname); |
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| 64 | #endif // DUMP_MENU_LIST |
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| 65 | root = root_in; // for macro |
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| 66 | window_name = strdup(windowname); |
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| 67 | window_defaults_name = GBS_string_2_key(wid); |
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| 68 | |
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| 69 | int posx = 50; |
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| 70 | int posy = 50; |
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| 71 | |
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| 72 | p_w->shell = aw_create_shell(this, true, true, width, height, posx, posy); |
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| 73 | |
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| 74 | main_window = XtVaCreateManagedWidget("mainWindow1", |
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| 75 | xmMainWindowWidgetClass, p_w->shell, |
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| 76 | NULp); |
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| 77 | |
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| 78 | p_w->menu_bar[0] = XtVaCreateManagedWidget("menu1", xmRowColumnWidgetClass, |
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| 79 | main_window, |
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| 80 | XmNrowColumnType, XmMENU_BAR, |
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| 81 | NULp); |
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| 82 | |
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| 83 | // create shell for help-cascade |
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| 84 | help_popup = XtVaCreatePopupShell("menu_shell", xmMenuShellWidgetClass, |
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| 85 | p_w->menu_bar[0], |
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| 86 | XmNwidth, 1, |
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| 87 | XmNheight, 1, |
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| 88 | XmNallowShellResize, true, |
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| 89 | XmNoverrideRedirect, true, |
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| 90 | NULp); |
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| 91 | |
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| 92 | // create row column in Pull-Down shell |
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| 93 | p_w->help_pull_down = XtVaCreateWidget("menu_row_column", |
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| 94 | xmRowColumnWidgetClass, help_popup, |
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| 95 | XmNrowColumnType, XmMENU_PULLDOWN, |
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| 96 | NULp); |
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| 97 | |
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| 98 | // create HELP-label in menu bar |
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| 99 | help_label = XtVaCreateManagedWidget("menu1_top_b1", |
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| 100 | xmCascadeButtonWidgetClass, p_w->menu_bar[0], |
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| 101 | RES_CONVERT(XmNlabelString, help_button), |
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| 102 | RES_CONVERT(XmNmnemonic, help_mnemonic), |
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| 103 | XmNsubMenuId, p_w->help_pull_down, NULp); |
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| 104 | XtVaSetValues(p_w->menu_bar[0], XmNmenuHelpWidget, help_label, NULp); |
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| 105 | // insert help_label to button_list |
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| 106 | root->make_sensitive(help_label, AWM_ALL); |
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| 107 | |
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| 108 | form1 = XtVaCreateManagedWidget("form1", |
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| 109 | xmFormWidgetClass, |
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| 110 | main_window, |
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| 111 | XmNresizePolicy, XmRESIZE_NONE, |
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| 112 | NULp); |
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| 113 | |
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| 114 | p_w->mode_area = XtVaCreateManagedWidget("mode area", |
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| 115 | xmDrawingAreaWidgetClass, |
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| 116 | form1, |
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| 117 | XmNresizePolicy, XmRESIZE_NONE, |
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| 118 | XmNwidth, 38, |
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| 119 | XmNheight, height, |
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| 120 | XmNx, 0, |
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| 121 | XmNy, 0, |
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| 122 | XmNleftOffset, 0, |
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| 123 | XmNtopOffset, 0, |
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| 124 | XmNbottomAttachment, XmATTACH_FORM, |
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| 125 | XmNleftAttachment, XmATTACH_POSITION, |
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| 126 | XmNtopAttachment, XmATTACH_POSITION, |
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| 127 | XmNmarginHeight, 2, |
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| 128 | XmNmarginWidth, 1, |
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| 129 | NULp); |
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| 130 | |
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| 131 | separator = XtVaCreateManagedWidget("separator", |
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| 132 | xmSeparatorWidgetClass, |
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| 133 | form1, |
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| 134 | XmNx, 37, |
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| 135 | XmNshadowThickness, 4, |
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| 136 | XmNorientation, XmVERTICAL, |
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| 137 | XmNbottomAttachment, XmATTACH_FORM, |
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| 138 | XmNtopAttachment, XmATTACH_FORM, |
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| 139 | XmNleftAttachment, XmATTACH_NONE, |
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| 140 | XmNleftWidget, NULp, |
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| 141 | XmNrightAttachment, XmATTACH_NONE, |
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| 142 | XmNleftOffset, 70, |
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| 143 | XmNleftPosition, 0, |
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| 144 | NULp); |
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| 145 | |
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| 146 | form2 = XtVaCreateManagedWidget("form2", |
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| 147 | xmFormWidgetClass, |
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| 148 | form1, |
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| 149 | XmNwidth, width, |
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| 150 | XmNheight, height, |
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| 151 | XmNtopOffset, 0, |
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| 152 | XmNbottomOffset, 0, |
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| 153 | XmNleftOffset, 0, |
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| 154 | XmNrightOffset, 0, |
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| 155 | XmNrightAttachment, XmATTACH_FORM, |
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| 156 | XmNbottomAttachment, XmATTACH_FORM, |
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| 157 | XmNleftAttachment, XmATTACH_WIDGET, |
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| 158 | XmNleftWidget, separator, |
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| 159 | XmNtopAttachment, XmATTACH_POSITION, |
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| 160 | XmNresizePolicy, XmRESIZE_NONE, |
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| 161 | XmNx, 0, |
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| 162 | XmNy, 0, |
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| 163 | NULp); |
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| 164 | p_w->areas[AW_INFO_AREA] = |
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| 165 | new AW_area_management(form2, XtVaCreateManagedWidget("info_area", |
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| 166 | xmDrawingAreaWidgetClass, |
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| 167 | form2, |
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| 168 | XmNheight, 0, |
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| 169 | XmNbottomAttachment, XmATTACH_NONE, |
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| 170 | XmNtopAttachment, XmATTACH_FORM, |
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| 171 | XmNleftAttachment, XmATTACH_FORM, |
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| 172 | XmNrightAttachment, XmATTACH_FORM, |
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| 173 | XmNmarginHeight, 2, |
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| 174 | XmNmarginWidth, 2, |
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| 175 | NULp)); |
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| 176 | |
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| 177 | p_w->areas[AW_BOTTOM_AREA] = |
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| 178 | new AW_area_management(form2, XtVaCreateManagedWidget("bottom_area", |
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| 179 | xmDrawingAreaWidgetClass, |
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| 180 | form2, |
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| 181 | XmNheight, 0, |
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| 182 | XmNbottomAttachment, XmATTACH_FORM, |
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| 183 | XmNtopAttachment, XmATTACH_NONE, |
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| 184 | XmNleftAttachment, XmATTACH_FORM, |
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| 185 | XmNrightAttachment, XmATTACH_FORM, |
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| 186 | NULp)); |
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| 187 | |
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| 188 | p_w->scroll_bar_horizontal = XtVaCreateWidget("scroll_bar_horizontal", |
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| 189 | xmScrollBarWidgetClass, |
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| 190 | form2, |
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| 191 | XmNheight, 15, |
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| 192 | XmNminimum, 0, |
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| 193 | XmNmaximum, AW_SCROLL_MAX, |
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| 194 | XmNincrement, 10, |
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| 195 | XmNsliderSize, AW_SCROLL_MAX, |
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| 196 | XmNrightAttachment, XmATTACH_FORM, |
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| 197 | XmNbottomAttachment, XmATTACH_FORM, |
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| 198 | XmNbottomOffset, 0, |
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| 199 | XmNleftAttachment, XmATTACH_FORM, |
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| 200 | XmNtopAttachment, XmATTACH_NONE, |
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| 201 | XmNorientation, XmHORIZONTAL, |
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| 202 | XmNrightOffset, 18, |
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| 203 | NULp); |
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| 204 | |
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| 205 | p_w->scroll_bar_vertical = XtVaCreateWidget("scroll_bar_vertical", |
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| 206 | xmScrollBarWidgetClass, |
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| 207 | form2, |
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| 208 | XmNwidth, 15, |
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| 209 | XmNminimum, 0, |
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| 210 | XmNmaximum, AW_SCROLL_MAX, |
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| 211 | XmNincrement, 10, |
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| 212 | XmNsliderSize, AW_SCROLL_MAX, |
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| 213 | XmNrightAttachment, XmATTACH_FORM, |
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| 214 | XmNbottomAttachment, XmATTACH_WIDGET, |
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| 215 | XmNbottomWidget, p_w->scroll_bar_horizontal, |
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| 216 | XmNbottomOffset, 3, |
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| 217 | XmNleftOffset, 3, |
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| 218 | XmNrightOffset, 3, |
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| 219 | XmNleftAttachment, XmATTACH_NONE, |
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| 220 | XmNtopAttachment, XmATTACH_WIDGET, |
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| 221 | XmNtopWidget, INFO_WIDGET, |
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| 222 | NULp); |
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| 223 | |
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| 224 | p_w->frame = XtVaCreateManagedWidget("draw_area", |
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| 225 | xmFrameWidgetClass, |
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| 226 | form2, |
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| 227 | XmNshadowType, XmSHADOW_IN, |
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| 228 | XmNshadowThickness, 2, |
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| 229 | XmNleftOffset, 3, |
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| 230 | XmNtopOffset, 3, |
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| 231 | XmNbottomOffset, 3, |
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| 232 | XmNrightOffset, 3, |
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| 233 | XmNtopOffset, 0, |
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| 234 | NULp); |
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| 235 | |
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| 236 | Arg args[20]; |
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| 237 | int n; |
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| 238 | Widget glw; |
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| 239 | n = 0; |
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| 240 | |
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| 241 | XtSetArg(args[n], (char *) GLwNrgba, True); n++; |
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| 242 | XtSetArg(args[n], (char *) GLwNallocateBackground, True); n++; |
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| 243 | XtSetArg(args[n], (char *) GLwNallocateOtherColors, True); n++; |
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| 244 | XtSetArg(args[n], (char *) GLwNdoublebuffer, True); n++; |
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| 245 | XtSetArg(args[n], (char *) GLwNdepthSize, True); n++; |
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| 246 | XtSetArg(args[n], (char *) GLwNredSize, 4); n++; |
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| 247 | XtSetArg(args[n], (char *) GLwNgreenSize, 4); n++; |
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| 248 | XtSetArg(args[n], (char *) GLwNblueSize, 4); n++; |
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| 249 | |
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| 250 | static int alpha_Attributes[] = { GLX_RGBA, |
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| 251 | GLX_DEPTH_SIZE, 12, |
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| 252 | GLX_RED_SIZE, 4, |
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| 253 | GLX_GREEN_SIZE, 4, |
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| 254 | GLX_BLUE_SIZE, 4, |
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| 255 | GLX_ALPHA_SIZE, 4, |
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| 256 | None }; |
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| 257 | |
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| 258 | Widget tmp = XtCreateWidget("glw", glwMDrawingAreaWidgetClass, |
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| 259 | form2, args, n); |
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| 260 | |
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| 261 | XVisualInfo *vi; |
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| 262 | Display *dpy; |
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| 263 | dpy = XtDisplay(tmp); |
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| 264 | vi = glXChooseVisual(dpy, DefaultScreen(dpy), alpha_Attributes); |
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| 265 | if (vi) { |
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| 266 | XtSetArg(args[n], (char *) GLwNalphaSize, 4); n++; |
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| 267 | AW_alpha_Size_Supported = true; |
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| 268 | printf("Alpha channel supported\n"); |
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| 269 | } |
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| 270 | else { |
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| 271 | AW_alpha_Size_Supported = false; |
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| 272 | printf("Alpha channel NOT supported\n"); |
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| 273 | } |
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| 274 | |
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| 275 | XtSetArg(args[n], XmNmarginHeight, 0); n++; |
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| 276 | XtSetArg(args[n], XmNbottomAttachment, XmATTACH_FORM); n++; |
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| 277 | XtSetArg(args[n], XmNtopAttachment, XmATTACH_WIDGET); n++; |
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| 278 | XtSetArg(args[n], XmNtopWidget, p_w->areas[AW_INFO_AREA]->get_area()); n++; |
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| 279 | XtSetArg(args[n], XmNleftAttachment, XmATTACH_FORM); n++; |
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| 280 | XtSetArg(args[n], XmNrightAttachment, XmATTACH_FORM); n++; |
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| 281 | |
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| 282 | glw = XtCreateManagedWidget("glw", glwMDrawingAreaWidgetClass, |
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| 283 | form2, args, n); |
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| 284 | |
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| 285 | p_w->areas[AW_MIDDLE_AREA] = new AW_area_management(p_w->frame, glw); |
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| 286 | |
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| 287 | XmMainWindowSetAreas(main_window, p_w->menu_bar[0], (Widget) NULp, (Widget) NULp, (Widget) NULp, form1); |
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| 288 | |
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| 289 | aw_realize_widget(this); |
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| 290 | |
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| 291 | create_devices(); |
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| 292 | aw_insert_default_help_entries(this); |
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| 293 | create_window_variables(); |
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| 294 | } |
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| 295 | |
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| 296 | |
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| 297 | |
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