]> git.lyx.org Git - lyx.git/blob - src/frontends/xforms/FormBase.C
Rob Lahaye's "iconify dialogs with main window if so desired" patch.
[lyx.git] / src / frontends / xforms / FormBase.C
1 /* This file is part of
2  * ====================================================== 
3  *
4  *           LyX, The Document Processor
5  *
6  *           Copyright 2000-2001 The LyX Team.
7  *
8  * ======================================================
9  *
10  * \author Angus Leeming <a.leeming@ic.ac.uk>
11  */
12
13 #include <config.h>
14
15 #ifdef __GNUG__
16 #pragma implementation
17 #endif
18
19 #include "Dialogs.h"
20 #include "FormBase.h"
21 #include "xformsBC.h"
22 #include "support/LAssert.h"
23
24 // Callback function invoked by xforms when the dialog is closed by the
25 // window manager
26 extern "C" int C_FormBaseWMHideCB(FL_FORM * form, void *);
27
28 // To trigger an input event when pasting in an xforms input object
29 // using the middle mouse button.
30 extern "C" int C_CutandPastePH(FL_OBJECT *, int, FL_Coord, FL_Coord,
31                                int, void *);
32
33
34 FormBase::FormBase(ControlButtons & c, string const & t, bool allowResize)
35         : ViewBC<xformsBC>(c), minw_(0), minh_(0), allow_resize_(allowResize),
36           title_(t)
37 {}
38
39
40 void FormBase::redraw()
41 {
42         if (form() && form()->visible)
43                 fl_redraw_form(form());
44 }
45
46
47 void FormBase::show()
48 {
49         if (!form()) {
50                 build();
51         }
52         
53         // use minw_ to flag whether the dialog has ever been shown
54         // (Needed now that build() is/should be called from the controller)
55         if (minw_ == 0) {
56                 bc().refresh();
57  
58                 // work around dumb xforms sizing bug
59                 minw_ = form()->w;
60                 minh_ = form()->h;
61
62                 fl_set_form_atclose(form(), C_FormBaseWMHideCB, 0);
63         }
64         
65         fl_freeze_form(form());
66         update();  // make sure its up-to-date
67         fl_unfreeze_form(form());
68
69         if (form()->visible) {
70                 fl_raise_form(form());
71                 /* This XMapWindow() will hopefully ensure that
72                  * iconified dialogs are de-iconified. Mad props
73                  * out to those crazy Xlib guys for forgetting a
74                  * XDeiconifyWindow(). At least WindowMaker, when
75                  * being notified of the redirected MapRequest will
76                  * specifically de-iconify. From source, fvwm2 seems
77                  * to do the same.
78                  */
79                 XMapWindow(fl_get_display(), form()->window);
80         } else {
81                 // calls to fl_set_form_minsize/maxsize apply only to the next
82                 // fl_show_form(), so this comes first.
83                 fl_set_form_minsize(form(), minw_, minh_);
84                 if (!allow_resize_)
85                         fl_set_form_maxsize(form(), minw_, minh_);
86
87                 fl_show_form(form(),
88                         FL_PLACE_MOUSE | FL_FREE_SIZE,
89                         (controller_.IconifyWithMain() ? FL_TRANSIENT : 0),
90                         title_.c_str());
91         }
92 }
93
94
95 void FormBase::hide()
96 {
97         if (form() && form()->visible)
98                 fl_hide_form(form());
99 }
100
101
102 void FormBase::InputCB(FL_OBJECT * ob, long data)
103 {
104         bc().input(input(ob, data));
105 }
106
107
108 ButtonPolicy::SMInput FormBase::input(FL_OBJECT *, long)
109 {
110         return ButtonPolicy::SMI_VALID;
111 }
112
113
114 namespace {
115
116 FormBase * GetForm(FL_OBJECT * ob)
117 {
118         lyx::Assert(ob && ob->form && ob->form->u_vdata);
119         FormBase * pre = static_cast<FormBase *>(ob->form->u_vdata);
120         return pre;
121 }
122
123 } // namespace anon
124
125
126 extern "C"
127 int C_FormBaseWMHideCB(FL_FORM * form, void *)
128 {
129         // Close the dialog cleanly, even if the WM is used to do so.
130         lyx::Assert(form && form->u_vdata);
131         FormBase * pre = static_cast<FormBase *>(form->u_vdata);
132         pre->CancelButton();
133         return FL_CANCEL;
134 }
135
136
137 extern "C" void C_FormBaseApplyCB(FL_OBJECT * ob, long)
138 {
139         GetForm(ob)->ApplyButton();
140 }
141
142
143 extern "C" void C_FormBaseOKCB(FL_OBJECT * ob, long)
144 {
145         GetForm(ob)->OKButton();
146 }
147
148
149 extern "C" void C_FormBaseCancelCB(FL_OBJECT * ob, long)
150 {
151         FormBase * form = GetForm(ob);
152         form->CancelButton();
153 }
154
155
156 extern "C" void C_FormBaseRestoreCB(FL_OBJECT * ob, long)
157 {
158         GetForm(ob)->RestoreButton();
159 }
160
161
162 extern "C" void C_FormBaseInputCB(FL_OBJECT * ob, long d)
163 {
164         GetForm(ob)->InputCB(ob, d);
165 }
166
167
168 // To trigger an input event when pasting in an xforms input object
169 // using the middle mouse button.
170 extern "C" int C_CutandPastePH(FL_OBJECT * ob, int event,
171                                FL_Coord, FL_Coord, int key, void *)
172 {
173         if ((event == FL_PUSH) && (key == 2) && (ob->objclass == FL_INPUT)) {
174                 C_FormBaseInputCB(ob, 0);
175         }
176
177         return 0;
178 }