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di_view_matrix.hxx
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1 // =============================================================== //
2 // //
3 // File : di_view_matrix.hxx //
4 // //
5 // Institute of Microbiology (Technical University Munich) //
6 // http://www.arb-home.de/ //
7 // //
8 // =============================================================== //
9 
10 #ifndef DI_VIEW_MATRIX_HXX
11 #define DI_VIEW_MATRIX_HXX
12 
13 #ifndef AW_WINDOW_HXX
14 #include <aw_window.hxx>
15 #endif
16 #ifndef DI_MATR_HXX
17 #include "di_matr.hxx"
18 #endif
19 
20 enum DI_gc {
27  DI_G_LAST // must be last
28 };
29 
31  GBDATA *gb_main;
32 
33  int screen_width; // dimensions of main screen
34  int screen_height;
35 
36  int cell_width; // width and height of one cell
37  int cell_height;
38 
39  int cell_paddx; // padding between cells
40  int cell_paddy;
41 
42  bool leadZero; // show leading zero
43  int digits; // digits after '.'
44  char format_string[50]; // for digits
45 
46  int horiz_page_start; // number of first element in this page
47  int vert_page_start;
48 
49  int vert_last_view_start; // last value of scrollbars
50  int horiz_last_view_start;
51 
52  int total_cells_horiz;
53  int total_cells_vert;
54 
55  int horiz_page_size; // page size in cells (how many cells per page,
56  int vert_page_size; // vertical and horizontal)
57 
58  int off_dx; // offset values for scrollable area
59  int off_dy;
60 
61  double min_view_dist; // m[i][j]<min_view_dist -> ascii ; else small slider
62  double max_view_dist; // m[i][j]>max_view_dist -> ascii ; else small slider
63 
64  void set_scrollbar_steps(long width, long hight, long xinc, long yinc);
65  void scroll_to(int sxpos, int sypos);
66 
67 public:
68  enum UpdateFlag { // bits
73  };
74 private:
75  UpdateFlag beforeUpdate;
76 
77  void setup();
78  void adapt_to_canvas_size(); // call after resize main window
79  void draw();
80 
81  enum LastAutoPop { UNKNOWN, UP, DOWN };
82  LastAutoPop lastautopop;
83 
84  bool autopop(bool show) {
85  // handle automatic hide/show of matrix view
86  // - avoid popup if was not auto-hidden
87  if (!awm) return false;
88  if (!show) {
89  if (awm->is_shown()) {
90  awm->hide(); lastautopop = DOWN;
91  }
92  }
93  else if (!awm->is_shown() && lastautopop == DOWN) {
94  awm->show(); lastautopop = UP;
95  }
96  return awm->is_shown();
97  }
98 
99 public:
101  AW_device *device; // device to draw in
102 
103  MatrixDisplay(GBDATA *gb_main_) :
104  gb_main(gb_main_),
105  screen_width(0),
106  screen_height(0),
107  cell_width(0),
108  cell_height(0),
109  cell_paddx(0),
110  cell_paddy(0),
111  leadZero(false),
112  digits(0),
113  horiz_page_start(0),
114  vert_page_start(0),
115  vert_last_view_start(0),
116  horiz_last_view_start(0),
117  total_cells_horiz(0),
118  total_cells_vert(0),
119  horiz_page_size(0),
120  vert_page_size(0),
121  off_dx(0),
122  off_dy(0),
123  min_view_dist(0.0),
124  max_view_dist(0.0),
125  beforeUpdate(NEED_SETUP),
126  lastautopop(UNKNOWN),
127  awm(NULp),
128  device(NULp)
129  {}
130 
132 
133  bool willShow() {
134  if (!awm) return false;
135  return awm->is_shown() || lastautopop == DOWN;
136  }
137 
138  void monitor_vertical_scroll_cb(AW_window *); // vertical and horizontal
139  void monitor_horizontal_scroll_cb(AW_window *); // scrollbar movements
140 
141  void mark(UpdateFlag needed) { beforeUpdate = UpdateFlag(beforeUpdate|needed); }
142 
143  void update_display() {
144  if (beforeUpdate&NEED_SETUP) setup();
145  if (beforeUpdate&NEED_RESIZE) adapt_to_canvas_size();
146  draw();
147  beforeUpdate = NEED_NOTHING;
148  }
149 
150  // ******************** real public section *******************
151  void set_slider_min(double d) { min_view_dist = d; };
152  void set_slider_max(double d) { max_view_dist = d; };
153 
154  void handle_move(AW_event& event);
155  void scroll_cells(int cells_x, int cells_y);
156 };
157 
159 
160 
161 #else
162 #error di_view_matrix.hxx included twice
163 #endif // DI_VIEW_MATRIX_HXX
void monitor_vertical_scroll_cb(AW_window *)
void handle_move(AW_event &event)
void set_slider_min(double d)
void monitor_horizontal_scroll_cb(AW_window *)
void mark(UpdateFlag needed)
void scroll_cells(int cells_x, int cells_y)
void show()
Definition: AW_window.cxx:1658
DI_MATRIX * get()
Definition: di_matr.hxx:192
#define false
Definition: ureadseq.h:13
AW_device * device
DI_GLOBAL_MATRIX GLOBAL_MATRIX
Definition: DI_matr.cxx:63
AW_window * awm
bool is_shown() const
Definition: AW_window.cxx:1622
void hide()
Definition: AW_window.cxx:1807
MatrixDisplay(GBDATA *gb_main_)
#define NULp
Definition: cxxforward.h:97
DI_MATRIX * get_matrix()
AW_window * DI_create_view_matrix_window(AW_root *awr, MatrixDisplay *disp, save_matrix_params *sparam)
void set_slider_max(double d)