refactor *Screen classes, add InfoScreen superclass

1 files changed, 180 insertions, 0 deletions

diff --git a/InfoScreen.c b/InfoScreen.c
new file mode 100644
index 00000000..7ce9ca6a
--- /dev/null
+++ b/InfoScreen.c
@@ -0,0 +1,180 @@
+#include "InfoScreen.h"
+
+#include "config.h"
+#include "Object.h"
+#include "CRT.h"
+#include "IncSet.h"
+#include "ListItem.h"
+#include "Platform.h"
+#include "StringUtils.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdarg.h>
+
+/*{
+#include "Process.h"
+#include "Panel.h"
+#include "FunctionBar.h"
+#include "IncSet.h"
+
+typedef struct InfoScreen_ InfoScreen;
+
+typedef void(*InfoScreen_Scan)(InfoScreen*);
+typedef void(*InfoScreen_Draw)(InfoScreen*);
+typedef void(*InfoScreen_OnErr)(InfoScreen*);
+typedef bool(*InfoScreen_OnKey)(InfoScreen*, int);
+
+typedef struct InfoScreenClass_ {
+   ObjectClass super;
+   const InfoScreen_Scan scan;
+   const InfoScreen_Draw draw;
+   const InfoScreen_OnErr onErr;
+   const InfoScreen_OnKey onKey;
+} InfoScreenClass;
+
+#define As_InfoScreen(this_)          ((InfoScreenClass*)(((InfoScreen*)(this_))->super.klass))
+#define InfoScreen_scan(this_)        As_InfoScreen(this_)->scan((InfoScreen*)(this_))
+#define InfoScreen_draw(this_)        As_InfoScreen(this_)->draw((InfoScreen*)(this_))
+#define InfoScreen_onErr(this_)       As_InfoScreen(this_)->onErr((InfoScreen*)(this_))
+#define InfoScreen_onKey(this_, ch_)  As_InfoScreen(this_)->onKey((InfoScreen*)(this_), ch_)
+
+struct InfoScreen_ {
+   Object super;
+   Process* process;
+   Panel* display;
+   FunctionBar* bar;
+   IncSet* inc;
+   Vector* lines;
+};
+}*/
+
+static const char* InfoScreenFunctions[] = {"Search ", "Filter ", "Refresh", "Done   ", NULL};
+
+static const char* InfoScreenKeys[] = {"F3", "F4", "F5", "Esc"};
+
+static int InfoScreenEvents[] = {KEY_F(3), KEY_F(4), KEY_F(5), 27};
+
+InfoScreen* InfoScreen_init(InfoScreen* this, Process* process, FunctionBar* bar, int height, char* panelHeader) {
+   this->process = process;
+   if (!bar) {
+      bar = FunctionBar_new(InfoScreenFunctions, InfoScreenKeys, InfoScreenEvents);
+   }
+   this->display = Panel_new(0, 1, COLS, height, false, Class(ListItem), bar);
+   this->inc = IncSet_new(bar);
+   this->lines = Vector_new(this->display->items->type, true, DEFAULT_SIZE);
+   Panel_setHeader(this->display, panelHeader);
+   return this;
+}
+
+InfoScreen* InfoScreen_done(InfoScreen* this) {
+   Panel_delete((Object*)this->display);
+   IncSet_delete(this->inc);
+   Vector_delete(this->lines);
+   return this;
+}
+
+void InfoScreen_drawTitled(InfoScreen* this, char* fmt, ...) {
+   va_list ap;
+   va_start(ap, fmt);
+   attrset(CRT_colors[METER_TEXT]);
+   mvhline(0, 0, ' ', COLS);
+   wmove(stdscr, 0, 0);
+   vw_printw(stdscr, fmt, ap);
+   attrset(CRT_colors[DEFAULT_COLOR]);
+   Panel_draw(this->display, true);
+   IncSet_drawBar(this->inc);
+   va_end(ap);
+}
+
+void InfoScreen_addLine(InfoScreen* this, const char* line) {
+   Vector_add(this->lines, (Object*) ListItem_new(line, 0));
+   const char* incFilter = IncSet_filter(this->inc);
+   if (!incFilter || String_contains_i(line, incFilter))
+      Panel_add(this->display, (Object*)Vector_get(this->lines, Vector_size(this->lines)-1));
+}
+
+void InfoScreen_appendLine(InfoScreen* this, const char* line) {
+   ListItem* last = (ListItem*)Vector_get(this->lines, Vector_size(this->lines)-1);
+   ListItem_append(last, line);
+   const char* incFilter = IncSet_filter(this->inc);
+   if (incFilter && Panel_get(this->display, Panel_size(this->display)-1) != (Object*)last && String_contains_i(line, incFilter))
+      Panel_add(this->display, (Object*)last);
+}
+
+void InfoScreen_run(InfoScreen* this) {
+   Panel* panel = this->display;
+
+   if (As_InfoScreen(this)->scan) InfoScreen_scan(this);
+   InfoScreen_draw(this);
+
+   bool looping = true;
+   while (looping) {
+
+      Panel_draw(panel, true);
+
+      if (this->inc->active)
+         move(LINES-1, CRT_cursorX);
+      int ch = getch();
+      
+      if (ch == ERR) {
+         if (As_InfoScreen(this)->onErr) {
+            InfoScreen_onErr(this);
+            continue;
+         }
+      }
+
+      if (ch == KEY_MOUSE) {
+         MEVENT mevent;
+         int ok = getmouse(&mevent);
+         if (ok == OK)
+            if (mevent.y >= panel->y && mevent.y < LINES - 1) {
+               Panel_setSelected(panel, mevent.y - panel->y + panel->scrollV);
+               ch = 0;
+            } if (mevent.y == LINES - 1)
+               ch = IncSet_synthesizeEvent(this->inc, mevent.x);
+      }
+
+      if (this->inc->active) {
+         IncSet_handleKey(this->inc, ch, panel, IncSet_getListItemValue, this->lines);
+         continue;
+      }
+      
+      switch(ch) {
+      case ERR:
+         continue;
+      case KEY_F(3):
+      case '/':
+         IncSet_activate(this->inc, INC_SEARCH, panel);
+         break;
+      case KEY_F(4):
+      case '\\':
+         IncSet_activate(this->inc, INC_FILTER, panel);
+         break;
+      case KEY_F(5):
+         clear();
+         if (As_InfoScreen(this)->scan) InfoScreen_scan(this);
+         InfoScreen_draw(this);
+         break;
+      case '\014': // Ctrl+L
+         clear();
+         InfoScreen_draw(this);
+         break;
+      case 'q':
+      case 27:
+      case KEY_F(10):
+         looping = false;
+         break;
+      case KEY_RESIZE:
+         Panel_resize(panel, COLS, LINES-2);
+         InfoScreen_draw(this);
+         break;
+      default:
+         if (As_InfoScreen(this)->onKey && InfoScreen_onKey(this, ch)) {
+            continue;
+         }
+         Panel_onKey(panel, ch);
+      }
+   }
+}