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37 #include "gmxpre.h"
38
39 #include "pulldown.h"
40
41 #include <cstdio>
42 #include <cstring>
43
44 #include <algorithm>
45
46 #include "gromacs/utility/smalloc.h"
47
48 #include "popup.h"
49 #include "x11.h"
50
PDCallBack(t_x11 * x11,XEvent * event,Window w,void * data)51 static bool PDCallBack(t_x11* x11, XEvent* event, Window w, void* data)
52 {
53 t_pulldown* pd;
54 int i, x, x1, y, nsel;
55
56 pd = (t_pulldown*)data;
57 y = pd->wd.height;
58 switch (event->type)
59 {
60 case Expose:
61 XSetForeground(x11->disp, x11->gc, x11->fg);
62 XDrawLine(x11->disp, w, x11->gc, 0, y - 1, pd->wd.width, y - 1);
63 for (i = 0; (i < pd->nmenu); i++)
64 {
65 XDrawString(x11->disp, pd->wd.self, x11->gc, pd->xpos[i], x11->font->ascent,
66 pd->title[i], std::strlen(pd->title[i]));
67 }
68 break;
69 case ButtonPress:
70 if (pd->nsel == -1)
71 {
72 x = event->xbutton.x;
73 for (nsel = 0; (pd->xpos[nsel + 1] < x) && (nsel < pd->nmenu - 1); nsel++)
74 {
75 ;
76 }
77 pd->nsel = nsel;
78 x1 = std::max(0, std::min(pd_width(pd) - menu_width(pd->m[nsel]), pd->xpos[nsel]));
79 show_menu(x11, pd->m[nsel], x1, y + 1, false);
80 }
81 break;
82 case ButtonRelease: hide_pd(x11, pd); break;
83 default: break;
84 }
85 return false;
86 }
87
init_pd(t_x11 * x11,Window Parent,int width,unsigned long fg,unsigned long bg,int nmenu,int * nsub,t_mentry * ent[],const char ** title)88 t_pulldown* init_pd(t_x11* x11,
89 Window Parent,
90 int width,
91 unsigned long fg,
92 unsigned long bg,
93 int nmenu,
94 int* nsub,
95 t_mentry* ent[],
96 const char** title)
97 {
98 t_pulldown* pd;
99 int i;
100
101 snew(pd, 1);
102 pd->title = title;
103 pd->nmenu = nmenu;
104 pd->nsel = -1;
105 snew(pd->m, nmenu);
106 snew(pd->xpos, nmenu + 1);
107 pd->xpos[0] = 5;
108 for (i = 1; (i <= nmenu); i++)
109 {
110 pd->xpos[i] =
111 20 + pd->xpos[i - 1] + XTextWidth(x11->font, title[i - 1], std::strlen(title[i - 1]));
112 }
113 if (pd->xpos[nmenu] > width)
114 {
115 std::printf("Menu too wide\n");
116 }
117
118 InitWin(&(pd->wd), 0, 0, width, XTextHeight(x11->font) + 2, 0, "PullDown");
119 pd->wd.self = XCreateSimpleWindow(x11->disp, Parent, pd->wd.x, pd->wd.y, pd->wd.width,
120 pd->wd.height, pd->wd.bwidth, fg, bg);
121 x11->RegisterCallback(x11, pd->wd.self, Parent, PDCallBack, pd);
122 x11->SetInputMask(x11, pd->wd.self,
123 ExposureMask | ButtonPressMask | OwnerGrabButtonMask | ButtonReleaseMask);
124 XMapWindow(x11->disp, pd->wd.self);
125
126 for (i = 0; (i < nmenu); i++)
127 {
128 pd->m[i] = init_menu(x11, Parent, fg, bg, nsub[i], ent[i], 1);
129 }
130
131 return pd;
132 }
133
hide_pd(t_x11 * x11,t_pulldown * pd)134 void hide_pd(t_x11* x11, t_pulldown* pd)
135 {
136 if (pd->nsel != -1)
137 {
138 hide_menu(x11, pd->m[pd->nsel]);
139 }
140 pd->nsel = -1;
141 }
142
check_pd_item(t_pulldown * pd,int nreturn,bool bStatus)143 void check_pd_item(t_pulldown* pd, int nreturn, bool bStatus)
144 {
145 int i;
146
147 for (i = 0; (i < pd->nmenu); i++)
148 {
149 check_menu_item(pd->m[i], nreturn, bStatus);
150 }
151 }
152
done_pd(t_x11 * x11,t_pulldown * pd)153 void done_pd(t_x11* x11, t_pulldown* pd)
154 {
155 int i;
156
157 for (i = 0; (i < pd->nmenu); i++)
158 {
159 done_menu(x11, pd->m[i]);
160 }
161 x11->UnRegisterCallback(x11, pd->wd.self);
162 sfree(pd->m);
163 sfree(pd->xpos);
164 }
165
pd_width(t_pulldown * pd)166 int pd_width(t_pulldown* pd)
167 {
168 int i, w;
169
170 w = 0;
171 for (i = 0; (i < pd->nmenu); i++)
172 {
173 w = std::max(w, menu_width(pd->m[i]));
174 }
175 w = std::max(w, pd->xpos[pd->nmenu]);
176 return w;
177 }
178
pd_height(t_pulldown * pd)179 int pd_height(t_pulldown* pd)
180 {
181 int i, h;
182
183 h = 0;
184 for (i = 0; (i < pd->nmenu); i++)
185 {
186 h = std::max(h, menu_height(pd->m[i]));
187 }
188
189 return h;
190 }
191